| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 781 | Raibeart | Gaelic | Gaelic form of Robert. | M | |
| 782 | Raonaid | Gaelic | Ewe. | F | |
| 783 | Raonaild | Gaelic | Ewe. | F | |
| 784 | Raonull | Gaelic | Mighty power. | M | |
| 785 | Riley | Gaelic | Valiant. | M | |
| 786 | Rioghbhardan | Gaelic | Royal bard. | M | |
| 787 | Riordan | Gaelic | Royal bard. | M | |
| 788 | Risteard | Gaelic | Gaelic form of Richard. | M | |
| 789 | Roane | Gaelic | Red-haired; red. | M | |
| 790 | Rohan | Gaelic | Red-haired; red. | M | |
| 791 | Rois | Gaelic | Rose. | F | |
| 792 | Ron | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 793 | Ronal | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 794 | Ronald | Gaelic | Rules with counsel. Form of Reynold. | M | |
| 795 | Ronell | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 796 | Ronn | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 797 | Ronnell | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 798 | Ronnie | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 799 | Ronny | Gaelic | Rules with counsel. Form of Ronald from Reynold. | M | |
| 800 | Rooney | Gaelic | Red haired. | M | |