| Name | Meaning | Details |
|---|---|---|
| Meara | Descendant Of The Mirthful One | View Details |
| Monahan | Descendant Of The Little Monk | View Details |
| Murphy | Descendant Of Sea Warrior | View Details |
| Neilan | Descendant Of Niall | View Details |
| Nolan | Descendant Of The Famous One | View Details |
| Olavi | Ancestor; Descendant | View Details |
| Oliver | Descendant Of The Ancestor | View Details |
| Olivia | "Ancestors Descendant" | View Details |
| Olivier | "Elf Warrior Or Ancestors Descendant" | View Details |
| Pharell | Descendant Of The Valorous Man | View Details |
| Reilly | Descendant Of Roghallach | View Details |
| Reon | Descendant Of The King | View Details |
| Riley | Descendant Of Roghallach | View Details |
| Willis | Descendant Or Servant Of Will | View Details |
| Yered | Descendant | View Details |