| Name | Meaning | Details |
|---|---|---|
| Devlin | Descendant Of The Unlucky One | View Details |
| Duffy | Descendant Of Dubhthach | View Details |
| Ennis | Descendant Of Angus Or "Island" | View Details |
| Erling | Descendant | View Details |
| Farrell | Descendant Of The Man Of Valour | View Details |
| Flannery | Descendant Of The Red Warrior | View Details |
| Flynn | Descendant Of The Red-haired Man | View Details |
| Foley | Descendant Of The Pirate | View Details |
| Gallagher | Descendant Of The Lover Of Foreigners | View Details |
| Garridan | Descendant Of Gerard | View Details |
| Grady | Descendant Of The Noble One | View Details |
| Herne | Descendant Of The Horse Lord | View Details |
| Higgins | Descendant Of Uigin | View Details |
| Hogan | Descendant Of The Young Warrior | View Details |
| Judaea | Land Of The Descendants Of Judah | View Details |