A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z The Sorenson Y-chromosome database includes 16,472 unique surnames. 82 of those start with the letter U. The number of entries for each surname is shown in parentheses. | UAINE (1) | UBERTIS (1) | UCEKAJ (1) | | UCHE (1) | UCHIYAMA (1) | UCKER (1) | | UCKO (1) | UD DIN (1) | UDALL (1) | | UDANI (1) | UDSETH (1) | UDY (3) | | UECKER (1) | UEDA (2) | UFFEL (1) | | UGARTE (1) | UGOLINI (1) | UIALPANDO (1) | | UKER (1) | UKUMOKA (1) | UKWANGARA (1) | | ULAH (1) | ULBRICH (2) | ULIBARRI (2) | | ULIVAS (1) | ULLAH (4) | ULLIET (1) | | ULLMANN (1) | ULLOA GARCIA (1) | ULLOM (2) | | ULLRICH (1) | ULMER (1) | ULVESTAD (1) | | UMAN (1) | UMATALIEV (1) | UMAU (3) | | UMETALIEV (1) | UMHOEFER (1) | UMILE (1) | | UMINA (1) | UMPHRAY (1) | UMUDIMOJI (1) | | UNDA (1) | UNDA FUENTES (1) | UNDERWOOD (7) | | UNFRED (1) | UNFRIED (1) | UNGER (2) | | UNGERMAN (1) | UNICE (1) | UNITT (1) | | UNKOWN (1) | UNRAU (1) | UNSELL (1) | | UNSICKER (1) | UNWIN (1) | UPCHURCH (1) | | UPDIKE (3) | UPTON (2) | URBAN (2) | | URBINA (2) | URBINA PIÑA (2) | URE (1) | | URELLI (1) | URESK (1) | URH (1) | | URIE (1) | URIEN (1) | URLING (1) | | URLINGS (1) | URNAES (1) | URRIOLA SILVA (1) | | URRUTIA INOSTROZA (1) | URSUETTI (1) | URWIN (3) | | US (1) | USSERY (1) | UTIEL (1) | | UTLEY (2) | UTTERBACK (1) | UTTS (1) | | UTZ (1) |
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