18 last names begin with U
- UPSHAW (1)
- Ubil (4)
- Ufflete (2)
- Ufford (1)
- Uibman (1)
- Ulmer (1)
- Uln (1)
- Underhill (1)
- Underwood (3)
- Unknown (2)
- Unknown - Williams for Mother's Side (1)
- Unready (1)
- Unruh (8)
- Upshaw (64)
- Upshaw Witt (1)
- Upshire (4)
- Ursulae (Goldman) (1)
- Usflete Sherriff van Yorkshire (1)
