| Senate Name | County | Dist.# | Party | Session # | Dates | Notes |
|---|---|---|---|---|---|---|
| Udree, Daniel | Berks | Rep | 33 | 1808-09 | ||
| Udree, Daniel | Berks | Dem | 34 | 1809-10 | ||
| Udree, Daniel | Berks | Dem | 35 | 1810-11 | ||
| Udree, Daniel | Berks | Dem | 36 | 1811-12 | ||
| Uliana, Joseph M. | 18 | Northampton (Part), Monroe (Part) | Rep | 179-80 | 1995-96 | |
| Uliana, Joseph M. | 18 | Northampton (Part), Monroe (Part) | Rep | 181-2 | 1997-98 | |
| Upperman, John | 43 | Allegheny (Part) | Rep | 107 | 1887-88 | |
| Upperman, John | 43 | Allegheny (Part) | Rep | 108 | 1889-90 | |
| Upperman, John | 43 | Allegheny (Part) | Rep | 109 | 1891-92 | |
| Upperman, John | 43 | Allegheny (Part) | Rep | 110 | 1893-94 | |
| Upperman, John | 43 | Allegheny (Part) | Rep | 111 | 1895-96 | |
| Upperman, John. | 43 | Allegheny (Part) | Rep | 104 | 1881-82 | |
| Upperman, John. | 43 | Allegheny (Part) | Rep | 105 | 1883-84 | |
| Upperman, John. | 43 | Allegheny (Part) | Rep | 106 | 1885-86 |