| Senate Name | County | Dist. # | Party | Session # | Dates | Notes |
|---|
|
|
| Sadler, William R. | 18 | Franklin, Adams | Whig | 72 | 1848 |
| Sadler, William R. | 18 | Franklin, Adams | Whig | 73 | 1849 |
| Sadler, William R. | 18 | Franklin, Adams | Whig | 74 | 1850 |
| Sager, Howard K. | 6 | Bucks | Dem | 77 | 1853 |
| Sager, Howard K. | 6 | Bucks | Dem | 78 | 1854 |
| Sager, Howard K. | 6 | Bucks | Dem | 79 | 1855 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 119 | 1911-12 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 120 | 1913-14 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 121 | 1915-16 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 122 | 1917-18 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 123 | 1919-20 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 124 | 1921-22 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 125 | 1923-24 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 126 | 1925-26 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 127 | 1927-28 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 128 | 1929-30 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 129 | 1931-32 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 130 | 1933-34 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 131 | 1935-36 |
| Salus, Samuel W. | 2 | Philadelphia (Part) | Rep | 132 | 1937-38 |
| Salvatore, Frank A. | 5 | Philadelphia (Part) | Rep | 169-70 | 1985-86 |
| Salvatore, Frank A. | 5 | Philadelphia (Part) | Rep | 171-2 | 1987-88 |
| Salvatore, Frank A. | 5 | Philadelphia (Part) | Rep | 173-4 | 1989-90 |
| Salvatore, Frank A. | 5 | Philadelphia (Part) | Rep | 175-6 | 1991-92 |
| Salvatore, Frank A. | 5 | Philadelphia (Part), Montgomery (Part) | Rep | 177-8 | 1993-94 |
| Salvatore, Frank A. | 5 | Philadelphia (Part), Montgomery (Part) | Rep | 179-80 | 1995-96 |
| Salvatore, Frank A. | 5 | Philadelphia (Part), Montgomery (Part) | Rep | 181-2 | 1997-98 |
| Salvatore, Frank A. | 5 | Philadelphia (Part), Montgomery (Part) | Rep | 183-4 | 1999-00 |
| Sanderson, George | 17 | Bradford, Susquehanna, Wyoming | Dem | 75 | 1851 |
| Sanderson, George | 17 | Bradford, Susquehanna, Wyoming | Dem | 76 | 1852 |
| Sanderson, George | 17 | Bradford, Susquehanna, Wyoming | Dem | 77 | 1853 |
| Sanderson, John P. | 7 | Lancaster, Lebanon | Whig | 70 | 1846 |
| Sanderson, John P. | 7 | Lancaster, Lebanon | Whig | 71 | 1847 |
| Sanderson, John P. | 7 | Lancaster, Lebanon | Whig | 72 | 1848 |
| Sangston, John A. | 19 | Fayette, Greene | Dem | 58 | 1833-34 |
| Sangston, John A. | 19 | Fayette, Greene | Dem | 59 | 1834-35 |
| Sangston, John A. | 19 | Fayette, Greene | Dem | 60 | 1835-36 |
| Sangston, John A. | 19 | Fayette, Greene | Dem | 61 | 1836-37 |
| Sangston, John A. | 18 | Fayette, Greene | Dem | 62 | 1837-38 |
| Sankey, David | 25 | Beaver, Mercer | Whig | 72 | 1848 |
| Sankey, David | 25 | Beaver, Mercer | Whig | 73 | 1849 |
| Sankey, David | 25 | Beaver, Mercer | Whig | 74 | 1850 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 141 | 1955-56 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 142 | 1957-58 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 143-4 | 1959-60 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 145-6 | 1961-62 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 147-8 | 1963-64 |
| Sarraf, George J. | 38 | Allegheny (Part) | Dem | 149-50 | 1965-66 |
| Sassaman, George W. | 11 | Berks | Dem | 122 | 1917-18 |
| Sassaman, George W. | 11 | Berks | Dem | 123 | 1919-20 |
| Savery, Peleg B. | 2 | Philadelphia | Whig | 73 | 1849 |
| Savery, Peleg B. | 2 | Philadelphia | Whig | 74 | 1850 |
| Savery, Peleg B. | 2 | Philadelphia | Whig | 75 | 1851 |
| Savery, Peleg B. | 2 | Philadelphia | Dem | 77 | 1853 |
| Sawyer, John | 6 | Dauphin, Lebanon | Dem | 43 | 1818-19 |
| Sawyer, John | 6 | Dauphin, Lebanon | Dem | 44 | 1819-20 |
| Sawyer, John | 6 | Dauphin, Lebanon | Dem | 45 | 1820-21 |
| Sawyer, John | 6 | Dauphin, Lebanon | Dem | 46 | 1821-22 |
| Say, Benjamin | | Philadelphia City, Philadelphia, Delaware | Rep | 24 | 1799-1800 |
| Say, Benjamin | | Philadelphia City, Philadelphia, Delaware | Rep | 25 | 1800-01 |
| Saylor, Henry D. | 12 | Montgomery | Rep | 111 | 1895-96 |
| Saylor, Henry D. | 12 | Montgomery | Rep | 112 | 1897-98 |
| Scales, John N. | 39 | Westmoreland (Part) | Dem | 157-8 | 1973-74 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 159-60 | 1975-76 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 161-2 | 1977-78 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 163-4 | 1979-80 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 165-6 | 1981-82 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 167-8 | 1983-84 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 169-70 | 1985-86 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 171-2 | 1987-88 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 173-4 | 1989-90 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 175-6 | 1991-92 |
| Scanlon, Eugene F. | 42 | Allegheny (Part) | Dem | 177-8 | 1993-94 |
| Scanlon, Joseph J. | 4 | Philadelphia (Part) | Dem | 153-4 | 1969-70 |
| Scarlett, George B. | 19 | Chester | Rep | 132 | 1937-38 |
| Scarlett, George B. | 19 | Chester | Rep | 133 | 1939-40 |
| Scarlett, George B. | 19 | Chester | Rep | 134 | 1941-42 |
| Scarlett, George B. | 19 | Chester | Rep | 135 | 1943-44 |
| Scarlett, George B. | 19 | Chester | Rep | 136 | 1945-46 |
| Scarlett, George B. | 19 | Chester | Rep | 137 | 1947-48 |
| Scarlett, George B. | 19 | Chester | Rep | 138 | 1949-50 |
| Scarlett, George B. | 19 | Chester | Rep | 139 | 1951-52 |
| Scarnati, Joseph B. | 25 | Cameron, Forest, McKean, Elk, Potter, Warren, | Rep | | |
| | | Clearfield (Pt.), Erie (Pt.), Jefferson (Pt.), Venango (Pt.) | Rep | 185-6 | 2001-02 |
| Scarnati, Joseph B. | 25 | Cameron, Forest, McKean, Elk, Potter, Warren, | Rep | | |
| | | Clearfield (Pt.), Erie (Pt.), Jefferson (Pt.), Venango (Pt.) | Rep | 187-8 | 2003-04 |
| Schaefer, Michael P. | 37 | Allegheny (Part) | Dem | 161-2 | 1977-78 |
| Schaefer, Michael P. | 37 | Allegheny (Part) | Dem | 163-4 | 1979-80 |
| Schaeffer, Bartram A. | 16 | Lancaster | Rep | 82 | 1858 |
| Schaeffer, Bartram A. | 16 | Lancaster | Rep | 83 | 1859 |
| Schaeffer, Bartram A. | 16 | Lancaster | Rep | 84 | 1860 |
| Schall, George | 6 | Berks, Schuylkill | Dem | 49 | 1824-25 |
| Schall, George | 6 | Berks, Schuylkill | Dem | 50 | 1825-26 |
| Schall, George | 6 | Berks, Schuylkill | Dem | 51 | 1826-27 |
| Schall, George | 6 | Berks, Schuylkill | Dem | 52 | 1827-28 |
| Schall, George B. | 7 | Lehigh, Northampton | Dem | 89 | 1865 |
| Schall, George B. | 7 | Lehigh, Northampton | Dem | 90 | 1866 |
| Schall, George B. | 7 | Lehigh, Northampton | Dem | 91 | 1867 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 121 | 1915-16 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 122 | 1917-18 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 123 | 1919-20 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 124 | 1921-22 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 125 | 1923-24 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 126 | 1925-26 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 127 | 1927-28 |
| Schantz, Horace W. | 16 | Lehigh | Rep | 128 | 1929-30 |
| Schell, William P. | 19 | Somerset, Bedford, Huntingdon | Dem | 82 | 1858 |
| Schell, William P. | 19 | Somerset, Bedford, Huntingdon | Dem | 83 | 1859 |
| Schell, William P. | 19 | Bedford, Huntingdon, Somerset | Dem | 84 | 1860 |
| Schindel, Jeremiah | 5 | Northampton, Lehigh | Dem | 83 | 1859 |
| Schindel, Jeremiah | 5 | Lehigh, Northampton | Dem | 84 | 1860 |
| Schindel, Jeremiah | 5 | Lehigh, Northampton | Dem | 85 | 1861 |
| Schmidt, Theodore H. | 44 | Allegheny (Part) | Dem | 141 | 1955-56 |
| Schmidt, Theodore H. | 44 | Allegheny (Part) | Dem | 142 | 1957-58 |
| Schmyser, Michael | | Lancaster, York | Fed | 15 | 1790-91 |
| Schmyser, Michael | | Lancaster, York | Fed | 16 | 1791-92 |
| Schmyser, Michael | | Lancaster, York | Fed | 17 | 1792-93 |
| Schmyser, Michael | | Lancaster, York | Fed | 18 | 1793-94 |
| Schmyser, Michael | | York | Fed | 19 | 1794-95 |
| Schnatterly, Thomas B. | 40 | Fayette, Greene | Dem | 103 | 1879-80 |
| Schnatterly, Thomas B. | 40 | Fayette, Greene | Dem | 104 | 1881-82 |
| Schnatterly, Thomas B. | 40 | Fayette, Greene | Dem | 107 | 1887-88 |
| Schnatterly, Thomas B. | 40 | Fayette, Greene | Dem | 108 | 1889-90 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part) | Dem | 175-6 | 1991-92 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 177-8 | 1993-94 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 179-80 | 1995-96 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 181-2 | 1997-98 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 183-4 | 1999-00 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 185-6 | 2001-02 |
| Schwartz, Allyson Y. | 4 | Philadelphia (Part), Montgomery (Part) | Dem | 187-8 | 2003-04 |
| Scofield, Glenni W. | 19 | Mercer, Venango, Warren | Rep | 81 | 1857 |
| Scofield, Glenni W. | 19 | Mercer, Venango, Warren | Rep | 82 | 1858 |
| Scofield, Glenni W. | 11 | Tioga, Potter, McKean, Warren | Rep | 83 | 1859 |
| Scott, Alexander | | Lancaster, York | Fed | 16 | 1791-92 |
| Scott, Alexander | | Lancaster, York | Fed | 17 | 1792-93 |
| Scott, Alexander | | Lancaster, York | Fed | 18 | 1793-94 |
| Scott, Harry B. | 34 | Clearfield, Centre | Rep | 127 | 1927-28 |
| Scott, Harry B. | 34 | Clearfield, Centre | Rep | 128 | 1929-30 |
| Scott, Harry B. | 34 | Clearfield, Centre | Rep | 129 | 1931-32 |
| Scott, Harry B. | 34 | Clearfield, Centre | Rep | 130 | 1933-34 |
| Scott, John M. | 6 | Philadelphia (Part) | Rep | 113 | 1899-00 |
| Scott, John M. | 6 | Philadelphia (Part) | Rep | 114 | 1901-02 |
| Scott, John M. | 6 | Philadelphia (Part) | Rep | 115 | 1903-04 |
| Scott, John M. | 6 | Philadelphia (Part) | Rep | 116 | 1905-06 |
| Scott, John M. | 2 | Philadelphia (Part) | Rep | 117 | 1907-08 |
| Scott, John M. | 2 | Philadelphia (Part) | Rep | 118 | 1909-10 |
| Scott, W. J. | 21 | Luzerne (Part) | Rep | 112 | 1897-98 |
| Scott, W. J. | 21 | Luzerne (Part) | Rep | 113 | 1899-00 |
| Scott, William G. | 12 | Northampton, Wayne, Lehigh, Pike | Dem | 52 | 1827-28 |
| Scott, William G. | 12 | Northampton, Wayne, Lehigh, Pike | Dem | 53 | 1828-29 |
| Scott, William G. | 12 | Northampton, Wayne, Lehigh, Pike | Dem | 54 | 1829-30 |
| Scott, William G. | 12 | Northampton, Wayne, Lehigh, Pike | Dem | 55 | 1830-31 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 141 | 1955-56 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 142 | 1957-58 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 143-4 | 1959-60 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 145-6 | 1961-62 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 147-8 | 1963-64 |
| Scott, William Z. | 14 | Carbon, Monroe, Pike, Wayne | Rep | 149-50 | 1965-66 |
| Scott, William Z. | 14 | Luzerne (Part) | Rep | 151-2 | 1967-68 |
| Seamans, George B. | 20 | Luzerne (Part) | Rep | 101 | 1877 |
| Seamans, George B. | 20 | Luzerne (Part) | Rep | 102 | 1878 |
| Seamans, George B. | 20 | Lackawanna, Luzerne (Part) | Rep | 103 | 1879-80 |
| Seamans, George B. | 20 | Lackawanna, Luzerne (Part) | Rep | 104 | 1881-82 |
| Searight, Thomas B | 24 | Fayette, Greene, Westmoreland | Dem | 91 | 1867 |
| Searight, Thomas B | 24 | Fayette, Greene, Westmoreland | Dem | 92 | 1868 |
| Searight, Thomas B | 24 | Fayette, Greene, Westmoreland | Dem | 93 | 1869 |
| Selheimer, John B. | 31 | Juniata, Mifflin, Perry | Dem | 106 | 1885-86 |
| Selheimer, John B. | 31 | Juniata, Mifflin, Perry | Dem | 107 | 1887-88 |
| Sellers, James M. | 26 | Juniata, Mifflin, Union | Whig | 79 | 1855 |
| Sellers, James M. | 26 | Juniata, Mifflin, Union | Whig | 80 | 1856 |
| Sellers, James M. | 26 | Juniata, Mifflin, Union | Whig | 81 | 1857 |
| Sellers, John | | Philadelphia City, Philadelphia, Delaware | Fed | 15 | 1790-91 |
| Sellers, John | | Philadelphia City, Philadelphia, Delaware | Fed | 16 | 1791-92 |
| Sellers, John | | Philadelphia City, Philadelphia, Delaware | Fed | 17 | 1792-93 |
| Sellers, John | | Philadelphia City, Philadelphia, Delaware | Fed | 18 | 1793-94 |
| Seltzer, George | 8 | Dauphin, Lebanon | Dem | 51 | 1826-27 |
| Seltzer, George | 8 | Dauphin, Lebanon | Dem | 52 | 1827-28 |
| Seltzer, George | 8 | Dauphin, Lebanon | Dem | 53 | 1828-29 |
| Seltzer, George | 8 | Dauphin, Lebanon | Dem | 54 | 1829-30 |
| Semmens, William H. | 40 | Allegheny (Part) | Rep | 121 | 1915-16 |
| Semmens, William H. | 40 | Allegheny (Part) | Rep | 122 | 1917-18 |
| Sensenich, Chester D. | 39 | Westmoreland | Rep | 120 | 1913-14 |
| Sensenich, Chester D. | 39 | Westmoreland | Rep | 121 | 1915-16 |
| Serrill, Jacob S. | 2 | Chester, Delaware | Rep | 85 | 1861 |
| Serrill, Jacob S. | 2 | Chester, Delaware | Rep | 86 | 1862 |
| Serrill, Jacob S. | 2 | Chester, Delaware | Rep | 87 | 1863 |
| Service, Fred A. | 50 | Crawford, Mercer | Rep | 124 | 1921-22 |
| Sesler, Harry E. | 49 | Erie | Dem | 145-6 | 1961-62 |
| Sesler, Harry E. | 49 | Erie | Dem | 147-8 | 1963-64 |
| Sesler, Harry E. | 49 | Erie | Dem | 149-50 | 1965-66 |
| Sesler, Harry E. | 49 | Erie | Dem | 151-2 | 1967-68 |
| Sesler, Harry E. | 49 | Erie | Dem | 153-4 | 1969-70 |
| Sesler, Harry E. | 49 | Erie | Dem | 155-6 | 1971-72 |
| Seyler, Harry E. | 28 | York | Dem | 141 | 1955-56 |
| Seyler, Harry E. | 28 | York | Dem | 142 | 1957-58 |
| Seyler, Harry E. | 28 | York | Dem | 143-4 | 1959-60 |
| Seyler, Harry E. | 28 | York | Dem | 145-6 | 1961-62 |
| Seymour, C. H. | 25 | McKean, Potter, Tioga | Rep | 101 | 1877 |
| Seymour, C. H. | 25 | McKean, Potter, Tioga | Rep | 102 | 1878 |
| Seymour, C. H. | 25 | McKean, Potter, Tioga | Rep | 103 | 1879-80 |
| Shafer, Raymond P. | 50 | Crawford, Mercer | Rep | 143-4 | 1959-60 |
| Shafer, Raymond P. | 50 | Crawford, Mercer | Rep | 145-6 | 1961-62 |
| Shaffer, Tim | 21 | Butler, Lawrence | Rep | 165-6 | 1981-82 |
| Shaffer, Tim | 21 | Butler, Lawrence (Part), Clarion (Part), Venango (Part) | Rep | 167-8 | 1983-84 |
| Shaffer, Tim | 21 | Butler, Lawrence (Part), Clarion (Part), Venango (Part) | Rep | 169-70 | 1985-86 |
| Shaffer, Tim | 21 | Butler, Lawrence (Part), Clarion (Part), Venango (Part) | Rep | 171-2 | 1987-88 |
| Shaffer, Tim | 21 | Butler, Lawrence (Part), Clarion (Part), Venango (Part) | Rep | 173-4 | 1989-90 |
| Shaffer, Tim | 21 | Butler, Lawrence (Part), Clarion (Part), Venango (Part) | Rep | 175-6 | 1991-92 |
| Shaffer, Tim | 21 | Clarion, Butler (Part), Lawrence (Part), Venango (Part) | Rep | 177-8 | 1993-94 |
| Shaffer, Tim | 21 | Clarion, Butler (Part), Lawrence (Part), Venango (Part) | Rep | 179-80 | 1995-96 |
| Shannon, Joseph | | Crawford, Erie, Venango, Mercer, Warren | Dem | 38 | 1813-14 |
| Shannon, Joseph | | Crawford, Erie, Venango, Mercer, Warren | Dem | 39 | 1814-15 |
| Shannon, Joseph | 20 | Crawford, Erie, Venango, Mercer, Warren | Dem | 40 | 1815-16 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Rep | 130 | 1933-34 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Rep | 131 | 1935-36 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Dem | 132 | 1937-38 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Dem | 133 | 1939-40 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Dem | 134 | 1941-42 |
| Shapiro, Harry | 7 | Philadelphia (Part) | Dem | 135 | 1943-44 |
| Shearer, Edward H. | 11 | Berks | Dem | 104 | 1881-82 |
| Shearer, Edward H. | 11 | Berks | Dem | 105 | 1883-84 |
| Shearer, Jacob | | Philadelphia City, Philadelphia | Dem | 38 | 1813-14 |
| Shearer, Jacob | | Philadelphia City, Philadelphia | Dem | 39 | 1814-15 |
| Shearer, Jacob | 1 | Philadelphia City, Philadelphia | Dem | 40 | 1815-16 |
| Shearer, Jacob | 1 | Philadelphia City, Philadelphia | Dem | 41 | 1816-17 |
| Sheatz, John O. | 4 | Philadelphia (Part) | Rep | 120 | 1913-14 |
| Shepard, Jesse S. | 4 | Philadelphia (Part) | Rep | 116 | 1905-06 |
| Shepard, Jesse S. | 4 | Philadelphia (Part) | Rep | 115 | 1903-04 |
| Sherwood, Daniel L. | 11 | Bradford, Tioga | Dem | 68 | 1844 |
| Sherwood, Daniel L. | 11 | Bradford, Tioga | Dem | 69 | 1845 |
| Sherwood, Daniel L. | 11 | Bradford, Tioga | Dem | 70 | 1846 |
| Shields, Moses | 23 | Bradford, Wyoming, Susquehanna | Rep | 118 | 1909-10 |
| Shields, Moses | 23 | Bradford, Wyoming, Susquehanna | Rep | 119 | 1911-12 |
| Shimer, Conrad | 9 | Northampton, Lehigh | Dem | 74 | 1850 |
| Shimer, Conrad | 9 | Northampton, Lehigh | Dem | 75 | 1851 |
| Shimer, Conrad | 9 | Northampton, Lehigh | Dem | 76 | 1852 |
| Shimer, S. C. | 18 | Northampton | Ind Dem | 99 | 1875 |
| Shimer, S. C. | 18 | Northampton | Dem | 100 | 1876 |
| Shoemaker, Charles, Jr. | | Berks, Schuylkill | Dem | 37 | 1812-13 |
| Shoemaker, Charles, Jr. | | Berks, Schuylkill | Dem | 38 | 1813-14 |
| Shoemaker, Charles, Jr. | | Berks, Schuylkill | Dem | 39 | 1814-15 |
| Shoemaker, Charles, Jr. | 5 | Berks, Schuylkill | Dem | 40 | 1815-16 |
| Shoemaker, Charles, Jr. | 5 | Berks, Schuylkill | Dem | 44 | 1819-20 |
| Shoemaker, Lazarus D. | 12 | Luzerne | Rep | 90 | 1866 |
| Shoemaker, Lazarus D. | 12 | Luzerne | Rep | 91 | 1867 |
| Shoemaker, Lazarus D. | 12 | Luzerne | Rep | 92 | 1868 |
| Shortt, Charles M. | 48 | Warren, Venango | Rep | 111 | 1895-96 |
| Shortt, Charles M. | 48 | Warren, Venango | Rep | 112 | 1897-98 |
| Shortz, Abraham | 10 | Lehigh, Northampton | Dem | 64 | 1839-40 |
| Showalter, Joseph B. | 41 | Armstrong, Butler | Rep | 108 | 1889-90 |
| Showalter, Joseph B. | 41 | Armstrong, Butler | Rep | 109 | 1891-92 |
| Shugert, Samuel T. | 21 | Blair, Centre, Huntingdon, Juniata, Mifflin, Perry | Dem | 92 | 1868 |
| Shull, J. H. | 22 | Carbon, Monroe, Pike | Dem | 107 | 1887-88 |
| Shull, J. H. | 22 | Carbon, Monroe, Pike | Dem | 108 | 1889-90 |
| Shulze, J. Andrew | 8 | Dauphin, Lebanon | Dem | 47 | 1822-23 |
| Shumaker, John J. | 15 | Dauphin, Northumberland (Part) | Rep | 167-8 | 1983-84 |
| Shumaker, John J. | 15 | Dauphin, Northumberland (Part) | Rep | 169-70 | 1985-86 |
| Shumaker, John J. | 15 | Dauphin, Northumberland (Part) | Rep | 171-2 | 1987-88 |
| Shumaker, John J. | 15 | Dauphin, Northumberland (Part) | Rep | 173-4 | 1989-90 |
| Shumaker, John J. | 15 | Dauphin, Northumberland (Part) | Rep | 175-6 | 1991-92 |
| Shumaker, John J. | 15 | Dauphin | Rep | 177-8 | 1993-94 |
| Shumaker, John J. | 15 | Dauphin | Rep | 179-80 | 1995-96 |
| Shuman, Jacob G. | 7 | Lancaster, Lebanon | Whig | 79 | 1855 |
| Shuman, Jacob G. | 7 | Lancaster, Lebanon | Whig | 80 | 1856 |
| Shuman, Jacob G. | 7 | Lancaster, Lebanon | Whig | 81 | 1857 |
| Sill, James | 49 | Erie | Rep | 104 | 1881-82 |
| Sill, James | 49 | Erie | Rep | 105 | 1883-84 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 139 | 1951-52 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 140 | 1953-54 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 141 | 1955-56 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 142 | 1957-58 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 143-4 | 1959-60 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 145-6 | 1961-62 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 147-8 | 1963-64 |
| Silvert, Martin | 6 | Philadelphia (Part) | Dem | 149-50 | 1965-66 |
| Singel, Mark S. | 35 | Cambria (Part), Westmoreland (Part) | Dem | 165-6 | 1981-82 |
| Singel, Mark S. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 167-8 | 1983-84 |
| Singel, Mark S. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 169-70 | 1985-86 |
| Singel, Mark S. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 171-2 | 1987-88 |
| Sipe, C. Hale | 41 | Armstrong, Butler | Dem | 132 | 1937-38 |
| Sipe, C. Hale | 41 | Armstrong, Butler | Dem | 133 | 1939-40 |
| Sisson, A. E. | 49 | Erie | Rep | 114 | 1901-02 |
| Sisson, A. E. | 49 | Erie | Rep | 115 | 1903-04 |
| Sisson, A. E. | 49 | Erie | Rep | 116 | 1905-06 |
| Sisson, A. E. | 49 | Erie | Rep | 117 | 1907-08 |
| Sisson, A. E. | 49 | Erie | Rep | 124 | 1921-22 |
| Sisson, A. E. | 49 | Erie | Rep | 125 | 1923-24 |
| Sisson, A. E. | 49 | Erie | Rep | 118 | 1909-10 |
| Sisson, A. E. | 49 | Erie | Rep | 119 | 1911-12 |
| Skinner, James | 20 | Erie, Crawford | Whig | 77 | 1853 |
| Skinner, James | 20 | Erie, Crawford | Whig | 78 | 1854 |
| Skinner, James | 20 | Erie, Crawford | Whig | 79 | 1855 |
| Slaymaker, Amos | | Lancaster | Quid | 31 | 1806-07 |
| Slaymaker, Amos | | Lancaster | Quid | 32 | 1807-08 |
| Slaymaker, Amos | | Lancaster | Quid | 33 | 1808-09 |
| Slaymaker, Amos | | Lancaster | Quid | 34 | 1809-10 |
| Slenker, Isaac | 9 | Northumberland, Union | Dem | 59 | 1834-35 |
| Slenker, Isaac | 9 | Northumberland, Union | Dem | 60 | 1835-36 |
| Slenker, Isaac | 9 | Northumberland, Union | Dem | 61 | 1836-37 |
| Slenker, Isaac | 8 | Huntingdon, Mifflin, Juniata, Perry, Union | Dem | 62 | 1837-38 |
| Slifer, Eli | 26 | Juniata, Mifflin, Union | Whig | 76 | 1852 |
| Slifer, Eli | 26 | Juniata, Mifflin, Union | Whig | 77 | 1853 |
| Slifer, Eli | 26 | Juniata, Mifflin, Union | Whig | 78 | 1854 |
| Sloan, Hannibal K. | 37 | Indiana, Jefferson | Dem | 108 | 1889-90 |
| Sloan, Hannibal K. | 37 | Indiana, Jefferson | Dem | 109 | 1891-92 |
| Slocum, William | 25 | Cameron, Forest, McKean, Elk, Potter, Warren, | | | |
| | | Clearfield (Pt.), Erie (Pt.), Jefferson (Pt.), Venango (Pt.) | Rep | 181-2 | 1997-98 |
| Slocum, William | 25 | Cameron, Forest, McKean, Elk, Potter, Warren, | | | |
| | | Clearfield (Pt.), Erie (Pt.), Jefferson (Pt.), Venango (Pt.) | Rep | 183-4 | 1999-2000 |
| Small, William F. | 2 | Philadelphia | Dem | 71 | 1847 |
| Small, William F. | 2 | Philadelphia | Dem | 72 | 1848 |
| Small, William F. | 2 | Philadelphia | Dem | 73 | 1849 |
| Smiley, Charles H. | 31 | Juniata, Mifflin, Perry | Rep | 104 | 1881-82 |
| Smiley, Charles H. | 31 | Juniata, Mifflin, Perry | Rep | 105 | 1883-84 |
| Smilie, John | | Washington, Fayette | Rep | 15 | 1790-91 |
| Smilie, John | | Washington, Fayette | Rep | 16 | 1791-92 |
| Smilie, John | | Washington, Fayette | Rep | 17 | 1792-93 |
| Smith, A. Herr | 7 | Lancaster, Lebanon | Whig | 70 | 1846 |
| Smith, A. Herr | 7 | Lancaster, Lebanon | Whig | 71 | 1847 |
| Smith, A. Herr | 7 | Lancaster, Lebanon | Whig | 72 | 1848 |
| Smith, Abraham | | Bedford, Franklin | Rep | 15 | 1790-91 |
| Smith, Abraham | | Bedford, Franklin | Rep | 16 | 1791-92 |
| Smith, Abraham | | Bedford, Franklin | Rep | 17 | 1792-93 |
| Smith, Abraham | | Bedford, Franklin | Rep | 18 | 1793-94 |
| Smith, Charles | 4 | Lancaster | Fed | 40 | 1815-16 |
| Smith, Charles | 4 | Lancaster | Fed | 41 | 1816-17 |
| Smith, Charles | 4 | Lancaster | Fed | 42 | 1817-18 |
| Smith, Charles | 4 | Lancaster | Fed | 43 | 1818-19 |
| Smith, Frank A. | 15 | Dauphin | Rep | 124 | 1921-22 |
| Smith, Frank A. | 15 | Dauphin | Rep | 125 | 1923-24 |
| Smith, Frank A. | 15 | Dauphin | Rep | 123 | 1919-20 |
| Smith, George C. | 4 | Chester, Delaware | AM | 57 | 1832-33 |
| Smith, George C. | 4 | Chester, Delaware | AM | 58 | 1833-34 |
| Smith, George C. | 4 | Chester, Delaware | AM | 59 | 1834-35 |
| Smith, George C. | 4 | Chester, Delaware | AM | 60 | 1835-36 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 100 | 1876 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 101 | 1877 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 102 | 1878 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 103 | 1879-80 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 104 | 1881-82 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 105 | 1883-84 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 106 | 1885-86 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 107 | 1887-88 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 108 | 1889-90 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 109 | 1891-92 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 110 | 1893-94 |
| Smith, George Handy | 1 | Philadelphia (Part) | Rep | 111 | 1895-96 |
| Smith, George Rush | 1 | Philadelphia | Rep | 84 | 1860 |
| Smith, George Rush | 1 | Philadelphia | Rep | 85 | 1861 |
| Smith, George Rush | 1 | Philadelphia | Rep | 86 | 1862 |
| Smith, John C. | 3 | Montgomery | Dem | 86 | 1862 |
| Smith, John C. | 3 | Montgomery | Dem | 87 | 1863 |
| Smith, John C. | 3 | Montgomery | Dem | 88 | 1864 |
| Smith, Joseph F. | 4 | Philadelphia (Part) | Dem | 155-6 | 1971-72 |
| Smith, Joseph F. | 4 | Philadelphia (Part) | Dem | 157-8 | 1973-74 |
| Smith, Joseph F. | 4 | Philadelphia (Part) | Dem | 159-60 | 1975-76 |
| Smith, Joseph F. | 4 | Philadelphia (Part) | Dem | 161-2 | 1977-78 |
| Smith, Joseph F. | 4 | Philadelphia (Part) | Dem | 163-4 | 1979-80 |
| Smith, Raymond E. | 50 | Crawford, Mercer | Wash | 121 | 1915-16 |
| Smith, Raymond E. | 50 | Crawford, Mercer | Wash | 122 | 1917-18 |
| Smith, Richard | | Huntingdon, Bedford | Fed | 22 | 1797-98 |
| Smith, Richard | | Huntingdon, Bedford | Fed | 23 | 1798-99 |
| Smith, Richard | | Huntingdon, Bedford | Fed | 24 | 1799-1800 |
| Smith, Richard | | Huntingdon, Bedford, Somerset | Fed | 25 | 1800-01 |
| Smith, Robert | 15 | Franklin | Dem | 44 | 1819-20 |
| Smith, Robert | 15 | Franklin | Dem | 45 | 1820-21 |
| Smith, Robert | 15 | Franklin | Dem | 46 | 1821-22 |
| Smith, Robert | 15 | Franklin | Dem | 47 | 1822-23 |
| Smith, Samuel A. | 4 | Bucks | Dem | 65 | 1841 |
| Smith, Samuel A. | 4 | Bucks | Dem | 66 | 1842 |
| Smith, Samuel A. | 4 | Bucks | Dem | 67 | 1843 |
| Smith, William R. | 17 | Mifflin, Huntingdon | Fed | 47 | 1822-23 |
| Smith, William R. | 17 | Mifflin, Huntingdon | Fed | 48 | 1823-24 |
| Smith, William Wallace | 8 | Philadelphia (Part) | Rep | 121 | 1915-16 |
| Smith, William Wallace | 8 | Philadelphia (Part) | Rep | 122 | 1917-18 |
| Smith, Wilson | | Crawford, Erie, Venango, Mercer, Warren | Dem | 34 | 1809-10 |
| Smith, Wilson | | Crawford, Erie, Venango, Mercer, Warren | Dem | 35 | 1810-11 |
| Smith, Wilson | | Crawford, Erie, Venango, Mercer, Warren | Dem | 36 | 1811-12 |
| Smith, Wilson | | Crawford, Erie, Venango, Mercer, Warren | Dem | 37 | 1812-13 |
| Smith, Winfield S. | 14 | Lancaster (Part) | Rep | 109 | 1891-92 |
| Smith, Winfield S. | 14 | Lancaster (Part) | Rep | 110 | 1893-94 |
| Smyser, Henry | 14 | York, Adams | Dem | 56 | 1831-32 |
| Smyser, Henry | 14 | York, Adams | Dem | 57 | 1832-33 |
| Smyser, Henry | 14 | York, Adams | Dem | 58 | 1833-34 |
| Smyser, Henry | 14 | York, Adams | Dem | 59 | 1834-35 |
| Smyser, Philip | 17 | York | Whig | 71 | 1847 |
| Smyser, Philip | 17 | York | Whig | 72 | 1848 |
| Smyser, Philip | 17 | York | Whig | 73 | 1849 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 133 | 1939-40 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 134 | 1941-42 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 135 | 1943-44 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 136 | 1945-46 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 137 | 1947-48 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 138 | 1949-50 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 139 | 1951-52 |
| Snowden, John G. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 140 | 1953-54 |
| Snyder, Charles A. | 29 | Schuylkill | Rep | 118 | 1909-10 |
| Snyder, Charles A. | 29 | Schuylkill | Rep | 119 | 1911-12 |
| Snyder, Charles A. | 29 | Schuylkill | Rep | 120 | 1913-14 |
| Snyder, Charles A. | 29 | Schuylkill | Rep | 121 | 1915-16 |
| Snyder, Charles A. | 29 | Schuylkill | Rep | 122 | 1917-18 |
| Snyder, Henry L. | 16 | Lehigh | Dem | 129 | 1931-32 |
| Snyder, Henry L. | 16 | Lehigh | Dem | 130 | 1933-34 |
| Snyder, Michael | 2 | Philadelphia | Dem | 62 | 1837-38 |
| Snyder, Michael | 2 | Philadelphia | Dem | 63 | 1838-39 |
| Snyder, Michael | 2 | Philadelphia | Dem | 64 | 1839-40 |
| Snyder, Michael | 2 | Philadelphia | Dem | 65 | 1841 |
| Snyder, Plymouth W. | 30 | Huntingdon, Blair | Rep | 121 | 1915-16 |
| Snyder, Plymouth W. | 30 | Huntingdon, Blair | Rep | 122 | 1917-18 |
| Snyder, Plymouth W. | 30 | Schuylkill (Part) | Rep | 123 | 1919-20 |
| Snyder, Plymouth W. | 30 | Huntingdon, Blair | Rep | 124 | 1921-22 |
| Snyder, Plymouth W. | 30 | Huntingdon, Blair | Rep | 125 | 1923-24 |
| Snyder, Plymouth W. | 30 | Huntingdon, Blair | Rep | 126 | 1925-26 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 147-8 | 1963-64 |
| Snyder, Richard A. | 13 | Lancaster | Rep | 149-50 | 1965-66 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 151-2 | 1967-68 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 153-4 | 1969-70 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 155-6 | 1971-72 |
| Snyder, Richard A. | 13 | Lancaster (Part), Chester (Part) | Rep | 157-8 | 1973-74 |
| Snyder, Richard A. | 13 | Lancaster (Part), Chester (Part) | Rep | 159-60 | 1975-76 |
| Snyder, Richard A. | 13 | Lancaster (Part), Chester (Part) | Rep | 161-2 | 1977-78 |
| Snyder, Richard A. | 13 | Lancaster (Part), Chester (Part) | Rep | 163-4 | 1979-80 |
| Snyder, Richard A. | 13 | Lancaster (Part), Chester (Part) | Rep | 165-6 | 1981-82 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 167-8 | 1983-84 |
| Snyder, Richard A. | 13 | Lancaster (Part) | Rep | 145-6 | 1961-62 |
| Snyder, Simon | 9 | Northumberland, Luzerne, Union, Columbia, Susquehanna | Dem | 43 | 1818-19 |
| Snyder, Simon | 9 | Northumberland, Luzerne, Union, Columbia, Susquehanna | Dem | 44 | 1819-20 |
| Snyder, William P. | 19 | Chester | Rep | 110 | 1893-94 |
| Snyder, William P. | 19 | Chester | Rep | 111 | 1895-96 |
| Snyder, William P. | 19 | Chester | Rep | 112 | 1897-98 |
| Snyder, William P. | 19 | Chester | Rep | 113 | 1899-00 |
| Snyder, William P. | 19 | Chester | Rep | 114 | 1901-02 |
| Snyder, William P. | 19 | Chester | Rep | 115 | 1903-04 |
| Sommer, Jacob | | Philadelphia City, Philadelphia, Delaware | Quid | 30 | 1805-06 |
| Sommer, Jacob | | Philadelphia City, Philadelphia, Delaware | Quid | 31 | 1806-07 |
| Sommer, Jacob | | Philadelphia City, Philadelphia, Delaware | Quid | 32 | 1807-08 |
| Sommer, Jacob | | Philadelphia City, Philadelphia | Quid | 33 | 1808-09 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 119 | 1911-12 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 120 | 1913-14 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 121 | 1915-16 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 122 | 1917-18 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 123 | 1919-20 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 124 | 1921-22 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 125 | 1923-24 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 126 | 1925-26 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 127 | 1927-28 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 128 | 1929-30 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 131 | 1935-36 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 132 | 1937-38 |
| Sones, Charles W. | 24 | Columbia, Montour, Lycoming, Sullivan | Dem | 130 | 1933-34 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 127 | 1927-28 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 128 | 1929-30 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 129 | 1931-32 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 130 | 1933-34 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 131 | 1935-36 |
| Sordoni, Andrew J. | 20 | Luzerne (Part) | Rep | 132 | 1937-38 |
| Souther, Henry | 18 | Tioga, Potter, McKean, Elk, Clearfield, Jefferson | Rep | 80 | 1856 |
| Souther, Henry | 18 | Tioga, Potter, McKean, Elk, Clearfield, Jefferson | Rep | 81 | 1857 |
| Souther, Henry | 18 | Tioga, Potter, McKean, Elk, Clearfield, Jefferson | Rep | 82 | 1858 |
| Spackman, Henry S. | 1 | Philadelphia City | Whig | 64 | 1839-40 |
| Spackman, Henry S. | 1 | Philadelphia City | Whig | 65 | 1841 |
| Spackman, Henry S. | 1 | Philadelphia City | Whig | 66 | 1842 |
| Spackman, Henry S. | 1 | Philadelphia City | Whig | 67 | 1843 |
| Spackman, Henry S. | 1 | Philadelphia City | Whig | 68 | 1844 |
| Spangler, Rudolph | | York, Adams | Rep | 28 | 1803-04 |
| Spangler, Rudolph | | York, Adams | Rep | 29 | 1804-05 |
| Spangler, Rudolph | | York, Adams | Quid | 30 | 1805-06 |
| Spangler, Rudolph | | York, Adams | Quid | 31 | 1806-07 |
| Sproul, William C. | 9 | Delaware | Rep | 112 | 1897-98 |
| Sproul, William C. | 9 | Delaware | Rep | 113 | 1899-00 |
| Sproul, William C. | 9 | Delaware | Rep | 114 | 1901-02 |
| Sproul, William C. | 9 | Delaware | Rep | 115 | 1903-04 |
| Sproul, William C. | 9 | Delaware | Rep | 116 | 1905-06 |
| Sproul, William C. | 9 | Delaware | Rep | 117 | 1907-08 |
| Sproul, William C. | 9 | Delaware | Rep | 118 | 1909-10 |
| Sproul, William C. | 9 | Delaware | Rep | 119 | 1911-12 |
| Sproul, William C. | 9 | Delaware | Rep | 120 | 1913-14 |
| Sproul, William C. | 9 | Delaware | Rep | 121 | 1915-16 |
| Sproul, William C. | 9 | Delaware | Rep | 122 | 1917-18 |
| Sproul, William C. | 9 | Delaware | Rep | 123 | 1919-20 |
| Sprout, Fred M. | 24 | Columbia, Montour, Lycoming, Sullivan | Rep | 129 | 1931-32 |
| Sprowls, George B. | 46 | Washington, Greene | Dem | 126 | 1925-26 |
| Sprowls, George B. | 46 | Washington, Greene | Dem | 125 | 1923-24 |
| St. Clair, John | 19 | Fayette | Dem | 47 | 1822-23 |
| St. Clair, John | 19 | Fayette | Dem | 48 | 1823-24 |
| St. Clair, John | 19 | Fayette | Dem | 49 | 1824-25 |
| St. Clair, John | 19 | Fayette | Dem | 50 | 1825-26 |
| St. Clair, Thomas | 22 | Cambria, Indiana, Jefferson | Rep | 89 | 1865 |
| St. Clair, Thomas | 37 | Indiana, Jefferson | Rep | 103 | 1879-80 |
| St. Clair, Thomas | 37 | Indiana, Jefferson | Rep | 101 | 1877 |
| St. Clair, Thomas | 37 | Indiana, Jefferson | Rep | 102 | 1878 |
| Stack, Michael J., III | 5 | Philadelphia (Part), Montgomery (Part) | Dem | 185-6 | 2001-02 |
| Stack, Michael J., III | 5 | Philadelphia (Part), Montgomery (Part) | Dem | 187-8 | 2003-04 |
| Staisey, Leonard C. | 45 | Allegheny (Part) | Dem | 145-6 | 1961-62 |
| Staisey, Leonard C. | 45 | Allegheny (Part) | Dem | 147-8 | 1963-64 |
| Staisey, Leonard C. | 45 | Allegheny (Part) | Dem | 149-50 | 1965-66 |
| Stanton, W. H. | 20 | Luzerne (Part) | Dem | 99 | 1875 |
| Stanton, W. H. | 20 | Luzerne (Part) | Dem | 100 | 1876 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 155-6 | 1971-72 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 157-8 | 1973-74 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 159-60 | 1975-76 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 161-2 | 1977-78 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 163-4 | 1979-80 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Dem | 165-6 | 1981-82 |
| Stapleton, Patrick J. | 41 | Jefferson, Armstrong (Pt.), Clarion (Pt.), Clearfield (Pt.), Indiana (Pt.) | Dem | 167-8 | 1983-84 |
| Stapleton, Patrick J. | 41 | Jefferson, Armstrong (Pt.), Clarion (Pt.), Clearfield (Pt.), Indiana (Pt.) | Dem | 169-70 | 1985-86 |
| Stapleton, Patrick J. | 41 | Jefferson, Armstrong (Pt.), Clarion (Pt.), Clearfield (Pt.), Indiana (Pt.) | Dem | 171-2 | 1987-88 |
| Stapleton, Patrick J. | 41 | Jefferson, Armstrong (Pt.), Clarion (Pt.), Clearfield (Pt.), Indiana (Pt.) | Dem | 173-4 | 1989-90 |
| Stapleton, Patrick J. | 41 | Jefferson, Armstrong (Pt.), Clarion (Pt.), Clearfield (Pt.), Indiana (Pt.) | Dem | 175-6 | 1991-92 |
| Stapleton, Patrick J. | 41 | Armstrong, Indiana, Jefferson (Part), Westmoreland (Part) | Dem | 177-8 | 1993-94 |
| Stapleton, Patrick J. | 41 | Armstrong, Indiana, Jefferson (Part), Westmoreland (Part) | Dem | 179-80 | 1995-96 |
| Stapleton, Patrick J. | 41 | Armstrong, Indiana, Jefferson (Part), Westmoreland (Part) | Dem | 181-2 | 1997-98 |
| Stapleton, Patrick J. | 41 | Armstrong, Indiana, Jefferson (Part), Westmoreland (Part) | Dem | 183-4 | 1999-00 |
| Stapleton, Patrick J. | 41 | Armstrong, Clarion, Indiana, Jefferson | Rep | 153-4 | 1969-70 |
| Stark, Jasper B. | 10 | Luzerne | Dem | 87 | 1863 |
| Stark, Jasper B. | 10 | Luzerne | Dem | 88 | 1864 |
| Stark, Jasper B. | 12 | Luzerne | Dem | 89 | 1865 |
| Staudenmeier, Charles W. | 29 | Schuylkill | Rep | 130 | 1933-34 |
| Staudenmeier, Charles W. | 29 | Schuylkill | Rep | 131 | 1935-36 |
| Stauffer, John | 19 | Chester | Rep | 155-6 | 1971-72 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 157-8 | 1973-74 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 159-60 | 1975-76 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 161-2 | 1977-78 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 163-4 | 1979-80 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 165-6 | 1981-82 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 167-8 | 1983-84 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 169-70 | 1985-86 |
| Stauffer, John | 19 | Chester (Part), Montgomery (Part) | Rep | 171-2 | 1987-88 |
| Stauffer, John | 19 | Chester | Rep | 153-4 | 1969-70 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 106 | 1885-86 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 107 | 1887-88 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 108 | 1889-90 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 109 | 1891-92 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 110 | 1893-94 |
| Steel, Samuel S. | 45 | Allegheny (Part) | Rep | 111 | 1895-96 |
| Steele, Charles | 27 | Snyder, Northumberland, Union | Rep | 126 | 1925-26 |
| Steele, Charles | 27 | Snyder, Northumberland, Union | Rep | 127 | 1927-28 |
| Steele, Charles | 27 | Snyder, Northumberland, Union | Rep | 125 | 1923-24 |
| Steele, George P. | 16 | Luzerne, Montour, Columbia | Dem | 81 | 1857 |
| Steele, George P. | 16 | Luzerne, Montour, Columbia | Dem | 82 | 1858 |
| Steele, George P. | 10 | Luzerne | Dem | 83 | 1859 |
| Steele, John | | Lancaster | Rep | 27 | 1802-03 |
| Steele, John | | Lancaster | Rep | 28 | 1803-04 |
| Steele, John | | Lancaster | Rep | 29 | 1804-05 |
| Steele, John | | Lancaster | Rep | 30 | 1805-06 |
| Stehman, John M. | 14 | Lancaster (Part) | Rep | 105 | 1883-84 |
| Stehman, John M. | 14 | Lancaster (Part) | Rep | 106 | 1885-86 |
| Stehman, John M. | 14 | Lancaster (Part) | Rep | 107 | 1887-88 |
| Stehman, John M. | 14 | Lancaster (Part) | Rep | 108 | 1889-90 |
| Stein, George W. | 5 | Lehigh, Northampton | Dem | 86 | 1862 |
| Stein, George W. | 5 | Lehigh, Northampton | Dem | 87 | 1863 |
| Stein, George W. | 5 | Lehigh, Northampton | Dem | 88 | 1864 |
| Sterigere, John B. | 3 | Montgomery, Chester, Delaware | Dem | 64 | 1839-40 |
| Sterigere, John B. | 3 | Montgomery | Dem | 68 | 1844 |
| Sterigere, John B. | 3 | Montgomery | Dem | 69 | 1845 |
| Sterigere, John B. | 3 | Montgomery | Dem | 70 | 1846 |
| Sterrett, Joseph M. | 21 | Crawford, Erie | Whig | 62 | 1837-38 |
| Sterrett, Joseph M. | 21 | Crawford, Erie | Whig | 63 | 1838-39 |
| Sterrett, Joseph M. | 21 | Crawford, Erie | Whig | 64 | 1839-40 |
| Sterrett, Joseph M. | 21 | Crawford, Erie | Whig | 65 | 1841 |
| Sterrett, Robert C. | 16 | Perry, Cumberland | Dem | 72 | 1848 |
| Sterrett, Robert C. | 16 | Perry, Cumberland | Dem | 73 | 1849 |
| Sterrett, Robert C. | 16 | Perry, Cumberland | Dem | 74 | 1850 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 133 | 1939-40 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 134 | 1941-42 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 135 | 1943-44 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 136 | 1945-46 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 137 | 1947-48 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 138 | 1949-50 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 139 | 1951-52 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 140 | 1953-54 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 141 | 1955-56 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 142 | 1957-58 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 143-4 | 1959-60 |
| Stevenson, George B. | 26 | Cameron, Clarion, Clinton, Elk, Forest | Rep | 145-6 | 1961-62 |
| Stevenson, James | | Washington, Greene | Rep | 33 | 1808-09 |
| Stevenson, James | | Washington, Greene | Dem | 34 | 1809-10 |
| Stevenson, Samuel | 2 | Philadelphia | Dem | 63 | 1838-39 |
| Stevenson, Samuel | 2 | Philadelphia | Dem | 64 | 1839-40 |
| Stewart, Alexander | 33 | Franklin, Huntingdon | Rep | 114 | 1901-02 |
| Stewart, Alexander | 33 | Franklin, Huntingdon | Rep | 115 | 1903-04 |
| Stewart, Alexander | 33 | Franklin, Huntingdon | Rep | 116 | 1905-06 |
| Stewart, Alexander | 33 | Franklin, Adams | Rep | 117 | 1907-08 |
| Stewart, John | | York | Rep | 22 | 1797-98 |
| Stewart, John | | York | Rep | 23 | 1798-99 |
| Stewart, John | | York | Rep | 24 | 1799-1800 |
| Stewart, John | 33 | Franklin, Huntingdon | Rep | 104 | 1881-82 |
| Stewart, John | 33 | Franklin, Huntingdon | Rep | 105 | 1883-84 |
| Stewart, Joseph W. | 46 | Washington, Greene | Dem | 121 | 1915-16 |
| Stewart, Joseph W. | 46 | Washington, Greene | Dem | 122 | 1917-18 |
| Stewart, William | 20 | Beaver, Mercer | Whig | 66 | 1842 |
| Stewart, William | 20 | Beaver, Mercer | Whig | 67 | 1843 |
| Stewart, William | 25 | Beaver, Mercer | Whig | 68 | 1844 |
| Stewart, William J. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 173-4 | 1989-90 |
| Stewart, William J. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 175-6 | 1991-92 |
| Stewart, William J. | 35 | Cambria, Clearfield (Part), Sonerset (Part), Westmoreland (Part) | Dem | 177-8 | 1993-94 |
| Stewart, William J. | 35 | Cambria, Clearfield (Part), Sonerset (Part), Westmoreland (Part) | Dem | 179-80 | 1995-96 |
| Stewart, William J. | 35 | Cambria, Clearfield (Part), Sonerset (Part) | Dem | 171-2 | 1987-88 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 132 | 1937-38 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 133 | 1939-40 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 134 | 1941-42 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 135 | 1943-44 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 136 | 1945-46 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 137 | 1947-48 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 138 | 1949-50 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 139 | 1951-52 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 140 | 1953-54 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 141 | 1955-56 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 142 | 1957-58 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 143-4 | 1959-60 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 145-6 | 1961-62 |
| Stiefel, Israel | 5 | Philadelphia (Part) | Dem | 147-8 | 1963-64 |
| Stiles, Harry G. | 16 | Lehigh | Dem | 111 | 1895-96 |
| Stiles, Harry G. | 16 | Lehigh | Dem | 112 | 1897-98 |
| Stiles, Harry G. | 16 | Lehigh | Dem | 113 | 1899-00 |
| Stiles, Harry G. | 16 | Lehigh | Dem | 114 | 1901-02 |
| Stine, Daniel | 7 | Lancaster, Lebanon | Whig | 73 | 1849 |
| Stine, Daniel | 7 | Lancaster, Lebanon | Whig | 74 | 1850 |
| Stine, Daniel | 7 | Lancaster, Lebanon | Whig | 75 | 1851 |
| Stineman, Jacob C. | 35 | Blair, Cambria | Rep | 112 | 1897-98 |
| Stineman, Jacob C. | 35 | Blair, Cambria | Rep | 113 | 1899-00 |
| Stineman, Jacob C. | 35 | Blair, Cambria | Rep | 114 | 1901-02 |
| Stineman, Jacob C. | 35 | Blair, Cambria | Rep | 115 | 1903-04 |
| Stineman, Jacob C. | 35 | Blair, Cambria | Rep | 116 | 1905-06 |
| Stineman, Jacob C. | 35 | Cambria | Rep | 117 | 1907-08 |
| Stineman, Jacob C. | 35 | Cambria | Rep | 120 | 1913-14 |
| Stineman, W. I. | 35 | Cambria | Rep | 124 | 1921-22 |
| Stineman, W. I. | 35 | Cambria | Rep | 125 | 1923-24 |
| Stinson, Charles H. | 5 | Chester, Delaware, Montgomery | Rep | 92 | 1868 |
| Stinson, Charles H. | 5 | Chester, Delaware, Montgomery | Rep | 93 | 1869 |
| Stinson, Charles H. | 5 | Chester, Delaware, Montgomery | Rep | 94 | 1870 |
| Stinson, William | 2 | Philadelphia (Part) | Dem | 177-8 | 1993-94 |
| Stites, Fletcher W. | 12 | Montgomery | Rep | 125 | 1923-24 |
| Stites, Fletcher W. | 12 | Montgomery | Rep | 126 | 1925-26 |
| Stober, Jeremiah A. | 14 | Lancaster (Part) | Rep | 113 | 1899-00 |
| Stober, Jeremiah A. | 14 | Lancaster (Part) | Rep | 114 | 1901-02 |
| Stober, Jeremiah A. | 14 | Lancaster (Part) | Rep | 115 | 1903-04 |
| Stober, Jeremiah A. | 14 | Lancaster (Part) | Rep | 116 | 1905-06 |
| Stoever, Jacob | 8 | Dauphin, Lebanon | Dem | 55 | 1830-31 |
| Stoever, Jacob | 8 | Dauphin, Lebanon | Dem | 56 | 1831-32 |
| Stoever, Jacob | 8 | Dauphin, Lebanon | Dem | 57 | 1832-33 |
| Stoever, Jacob | 8 | Dauphin, Lebanon | Dem | 58 | 1833-34 |
| Stokely, Thomas | | Washington, Allegheny | Rep | 19 | 1794-95 |
| Stokely, Thomas | | Washington, Allegheny | Rep | 20 | 1795-96 |
| Stokely, Thomas | | Washington, Allegheny | Rep | 21 | 1796-97 |
| Stone, Charles W. | 48 | Warren, Venango | Rep | 101 | 1877 |
| Stone, Charles W. | 48 | Warren, Venango | Rep | 102 | 1878 |
| Stout, J. Barry | 46 | Greene, Fayette (Part), Washington (Part) | Dem | 163-4 | 1979-80 |
| Stout, J. Barry | 46 | Greene, Fayette (Part), Washington (Part) | Dem | 165-6 | 1981-82 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part) | Dem | 167-8 | 1983-84 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part) | Dem | 169-70 | 1985-86 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part) | Dem | 171-2 | 1987-88 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part) | Dem | 173-4 | 1989-90 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part) | Dem | 175-6 | 1991-92 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 177-8 | 1993-94 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 179-80 | 1995-96 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 181-2 | 1997-98 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 183-4 | 1999-00 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 185-6 | 2001-02 |
| Stout, J. Barry | 46 | Greene, Beaver (Part), Washington (Part), Westmoreland (Part) | Dem | 187-8 | 2003-04 |
| Stout, J. Barry | 46 | Greene, Fayette (Part), Washington (Part) | Dem | 161-2 | 1977-78 |
| Strang, Butler B. | 16 | Cameron, McKean, Potter, Tioga | Rep | 96 | 1872 |
| Strang, Butler B. | 16 | Cameron, McKean, Potter, Tioga | Rep | 97 | 1873 |
| Strang, Butler B. | 16 | Cameron, McKean, Potter, Tioga | Rep | 98 | 1874 |
| Strang, Butler B. | 25 | McKean, Potter, Tioga | Rep | 99 | 1875 |
| Strang, Butler B. | 25 | McKean, Potter, Tioga | Rep | 100 | 1876 |
| Straub, Christian M. | 28 | Schuylkill | Dem | 80 | 1856 |
| Straub, Christian M. | 28 | Schuylkill | Dem | 81 | 1857 |
| Straub, Christian M. | 7 | Schuylkill | Dem | 82 | 1858 |
| Street, T. Milton | 3 | Philadelphia (Part) | Rep | 165-6 | 1981-82 |
| Street, T. Milton | 3 | Philadelphia (Part) | Rep | 167-8 | 1983-84 |
| Streeter, Farris B. | 10 | Susquehanna, Wayne, Wyoming | Dem | 72 | 1848 |
| Streeter, Farris B. | 10 | Susquehanna, Wayne, Wyoming | Dem | 73 | 1849 |
| Streeter, Farris B. | 10 | Susquehanna, Wayne, Wyoming | Dem | 74 | 1850 |
| Strohm, John | 7 | Lancaster | AM | 59 | 1834-35 |
| Strohm, John | 7 | Lancaster | AM | 60 | 1835-36 |
| Strohm, John | 7 | Lancaster | AM | 61 | 1836-37 |
| Strohm, John | 6 | Lancaster, York | Whig | 62 | 1837-38 |
| Strohm, John | 6 | Lancaster, York | Whig | 63 | 1838-39 |
| Strohm, John | 6 | Lancaster, York | Whig | 64 | 1839-40 |
| Strohm, John | 6 | Lancaster, York | Whig | 65 | 1841 |
| Strohm, John | 6 | Lancaster, York | Whig | 66 | 1842 |
| Stroman, John | | York, Adams | Dem | 36 | 1811-12 |
| Stroman, John | | York, Adams | Dem | 37 | 1812-13 |
| Stroman, John | | York, Adams | Dem | 38 | 1813-14 |
| Stroman, John | | York, Adams | Dem | 39 | 1814-15 |
| Stroup, Stanley G. | 36 | Bedford, Fulton, Somerset | Rep | 145-6 | 1961-62 |
| Stroup, Stanley G. | 36 | Bedford, Fulton, Somerset | Rep | 147-8 | 1963-64 |
| Stroup, Stanley G. | 36 | Bedford, Fulton, Somerset | Rep | 149-50 | 1965-66 |
| Stroup, Stanley G. | 36 | Philadelphia (Part) | Rep | 151-2 | 1967-68 |
| Stroup, Stanley G. | 30 | Bedford, Somerset, Blair (Part) | Rep | 153-4 | 1969-70 |
| Stroup, Stanley G. | 30 | Bedford, Somerset, Blair (Part) | Rep | 155-6 | 1971-72 |
| Stroup, Stanley G. | 30 | Huntingdon, Blair, Bedford, Mifflin (Part), Somerset (Part) | Rep | 157-8 | 1973-74 |
| Stroup, Stanley G. | 36 | Bedford, Fulton, Somerset | Rep | 143-4 | 1959-60 |
| Sturgeon, Daniel | 19 | Fayette | Dem | 51 | 1826-27 |
| Sturgeon, Daniel | 19 | Fayette | Dem | 52 | 1827-28 |
| Sturgeon, Daniel | 19 | Fayette | Dem | 53 | 1828-29 |
| Sturgeon, Daniel | 19 | Fayette | Dem | 54 | 1829-30 |
| Stutzman, Alexander | 19 | Bedford, Huntingdon, Somerset | Rep | 87 | 1863 |
| Stutzman, Alexander | 20 | Bedford, Fulton, Somerset | Rep | 91 | 1867 |
| Stutzman, Alexander | 20 | Bedford, Fulton, Somerset | Rep | 92 | 1868 |
| Stutzman, Alexander | 20 | Bedford, Fulton, Somerset | Rep | 93 | 1869 |
| Sullivan, Charles C. | 19 | Allegheny, Butler | Whig | 65 | 1841 |
| Sullivan, Charles C. | 19 | Allegheny, Butler | Whig | 66 | 1842 |
| Sullivan, Charles C. | 19 | Allegheny, Butler | Whig | 67 | 1843 |
| Sullivan, Charles C. | 24 | Allegheny, Butler | Whig | 68 | 1844 |
| Sullivan, Charles C. | 24 | Allegheny, Butler | Whig | 69 | 1845 |
| Sullivan, Charles C. | 24 | Allegheny/Butler | Whig | 70 | 1846 |
| Sullivan, Moses | 21 | Allegheny, Beaver, Butler | Dem | 50 | 1825-26 |
| Sullivan, Moses | 21 | Allegheny, Beaver, Butler | Dem | 51 | 1826-27 |
| Sullivan, Moses | 21 | Allegheny, Beaver, Butler | Dem | 52 | 1827-28 |
| Sullivan, Moses | 21 | Allegheny, Beaver, Butler | NR | 53 | 1828-29 |
| Sullivan, Moses | 25 | Beaver, Butler | Dem | 54 | 1829-30 |
| Sullivan, Moses | 25 | Beaver, Butler | Dem | 55 | 1830-31 |
| Sullivan, Moses | 25 | Beaver, Butler | NR | 56 | 1831-32 |
| Sullivan, Moses | 25 | Beaver, Butler | AM | 57 | 1832-33 |
| Sutherland, Joel B. | 2 | Philadelphia | Dem | 50 | 1825-26 |
| Sutherland, Joel B. | 2 | Philadelphia | Dem | 51 | 1826-27 |
| Sutton, William Henry | 12 | Montgomery | Dem | 105 | 1883-84 |
| Sutton, William Henry | 12 | Montgomery | Dem | 106 | 1885-86 |
| Sweeney, John James | 26 | Delaware (Part) | Dem | 159-60 | 1975-76 |
| Sweeney, John James | 26 | Delaware (Part) | Dem | 161-2 | 1977-78 |