Names
| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Ufford | 3 | Uí Chennselaig | 8 | Uí Telláin Roirend | 3 | Unton | 4 | - | - |
| Uí Bairrche | 2 | Uí Dúnlainge | 32 | Uncertain | 27 | Upham | 1 | - | - |
| Uí Barrche | 4 | Uí Máil | 9 | Unknown | 398 | Urgell | 4 | - | - |
| Uí Briúin Seóla | 10 | Uí Teig | 2 | Unknown - Not Catherine Wollashull | 1 | Usflete | 3 | - | - |