| Name | Event Date | Age | Native | Second Party | Bk | Pg | Comment |
| Udell, Charles A. | 09/02/1890 | Bewley, Elizabeth C. | E | 31 | |||
| Uher, Luella Mae | 09/15/1973 | Pence, Howard William | K | 236 | |||
| Uldaric, Nauche Joseph Lilian M. | 02/28/1987 | Rapley, Marcia Diane | M | 173 | |||
| Uldreich, Lucy | 07/20/1905 | Telonich, Eli | F | 273 | |||
| Ulrey, Mark Pierce | 11/17/1984 | Cardiff, Sandra Marie | L | 567 | |||
| Ulrich, James Reuben | 01/11/1947 | 48 | OH | Roe, Frances Helen (nee Kirby) | I | 280 | |
| Umloff, Elizabeth | 10/07/1869 | Ross, Schabod O. | B | 346 | |||
| Underhill, Sarah | 01/08/1866 | Horton, William | B | 186 | |||
| Underwood, Francis Ogden | 09/05/1969 | Freeman, Thelma Le Monde | J | 225 | |||
| Underwood, Judith Diane | 07/11/1970 | 19 | Calif. | Mote, Freddie Evan | J | 254 | Res. Tuolumne, Tuolumne Co. |
| Underwood, W. | 09/27/1880 | Howard, Addie E. | C | 361 | |||
| Unibe, Angelina | 06/02/1943 | Alvarez, Joseph F. | I | 180 | |||
| Ureta, I. N. | 12/31/1864 | Berna, F. R. | B | 184 | |||
| Urquhart, David George | 02/09/1980 | Schang, Teree Lynn | L | 33 | |||
| Ursin, John E. | 04/23/1895 | Haupt, Ada L. | E | 274 | |||
| Usher, Thomas Michael | 06/28/1980 | Gray, Robin Lee | L | 85 |
