| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 761 | Orrin | Gaelic | Pale. | M | |
| 762 | Padruig | Gaelic | Gaelic form of Patrick. | M | |
| 763 | Parthalan | Gaelic | Son of the furrows. | M | |
| 764 | Peadar | Gaelic | Gaelic form of Peter. | M | |
| 765 | Peigi | Gaelic | Peg. | F | |
| 766 | Penelope | Gaelic | Variant of Fenella: White shoulder. From Fionnghuala or Fionnuala. | F | |
| 767 | Phelan | Gaelic | Little wolf. | M | |
| 768 | Piaras | Gaelic | Rock. | M | |
| 769 | Pol | Gaelic | Little. | M | |
| 770 | Proinsias | Gaelic | Frank. | M | |
| 771 | Quade | Gaelic | From the Scottish clan name McQuade. | M | |
| 772 | Quigley | Gaelic | Distaff. | M | |
| 773 | Quin | Gaelic | Counsel. Variant of Quinn. | M | |
| 774 | Quinlan | Gaelic | Shaped as a well. Counsel. Variant of Quinn. | M | |
| 775 | Quinn | Gaelic | Counsel. A Scottish and Irish surname used as a given name from very ancient times. | M | |
| 776 | Quinnell | Gaelic | Counsel. Variant of Quinn. | M | |
| 777 | Rabhartach | Gaelic | Wealthy. | M | |
| 778 | Rafferty | Gaelic | Wealthy. | M | |
| 779 | Raghallach | Gaelic | Valiant. | M | |
| 780 | Raghnall | Gaelic | Mighty power. | M | |