| Name | Meaning | Details |
|---|---|---|
| Dolan | Dark Haired | View Details |
| Donahue | Brown-haired Chieftain | View Details |
| Donnelly | Brown-haired Chieftain | View Details |
| Dooley | Blackhaired Hero | View Details |
| Fairfax | Fair Haired | View Details |
| Faxon | Thick-Haired | View Details |
| Fionn | Fair-haired | View Details |
| Flavia | Yellow-coloured | View Details |
| Flavian | Yellow | View Details |
| Flavius | Yellow-coloured | View Details |
| Flynn | Descendant Of The Red-haired Man | View Details |
| Gannon | Son Of The Fair-haired One | View Details |
| Gilroy | Servant Of The Redhaired Man | View Details |
| Gould | Golden-Haired | View Details |
| Grayson | Son Of The Grey-Haired One | View Details |