| Name | M/F | Meaning |
|---|---|---|
| Uaithne | ![]() |
Meaning : In irish meaning is : Green Used in : Celtic, Irish, Celtic |
| Uaithnin | ![]() |
Meaning : Used in : Celtic |
| Uallachán | ![]() |
Meaning : In irish meaning is : Proud, Arrogant Used in : Celtic |
| Uar | ![]() |
Meaning : In irish meaning is : The cruel Used in : Celtic, Irish |
| Uccus | ![]() |
Meaning : Used in : Celtic |
| Uchtain | ![]() |
Meaning : Used in : Celtic |
| Ueda | ![]() |
Meaning : Used in : Celtic |
| Uepogenus | ![]() |
Meaning : Used in : Celtic |
| Uige | ![]() |
Meaning : Used in : Celtic |
| Uileos | ![]() |
Meaning : In irish meaning is : Wrathful one who dislikes in justice Used in : Celtic, Irish |
| Uillen | ![]() |
Meaning : Used in : Celtic |
| Uirolec | ![]() |
Meaning : Used in : Celtic |
| Uisneach | ![]() |
Meaning : Used in : Celtic |
| Ulchil | ![]() |
Meaning : Used in : Celtic |
| Ulsterman | ![]() |
Meaning : Used in : Celtic |
| Ultan | ![]() |
Meaning : In irish meaning is : An Ulsterman Used in : Celtic, French, Irish |
| Unthaus | ![]() |
Meaning : Used in : Celtic |
| Urfai | ![]() |
Meaning : Used in : Celtic |
| Urgriu | ![]() |
Meaning : Used in : Celtic |
| Urias | ![]() |
Meaning : In hebrew meaning is : The Lord is my light. Used in : Hebrew, Celtic, German |
| Urien | ![]() |
Meaning : Used in : Arthurian - Legend, British, Celtic, English, French |
| Urthaile | ![]() |
Meaning : Used in : Celtic |
| Usliu | ![]() |
Meaning : Used in : Celtic |
| Usna | ![]() |
Meaning : Used in : Celtic |
| Usnach | ![]() |
Meaning : Used in : Celtic |
| Uthmaran | ![]() |
Meaning : Used in : Celtic |