Rab - Rabbie - Raghallach - Raghnall - Raibert - Raighne - Raigre - Ramsay - Ramsey - Ranald - Ranulf - Rascua - Raymond - Reagan - Reaghan - Reamonn - Reece - Regan - Reghan - Regol - Related - Remond - Renan - Renfrew - Reo-Derg - Reoda - Reun - Reunan - Rewan - Rhain - Rhainallt - Rheged - Rhiada - Rhisiart - Rhodrhi - Rhodri-Fawr - Rhodri - Rhyas - Rhydderch - Rhys - Riagad - Riagall - Rian - Riane - Rianorix - Riata - Ribh - Rice - Richard - Richarz - Riec - Rieg - Rierdan - Rigan - Rigard - Rigisamus - Rigonemetes - Riley - Ringan - Riocard - Riog - Riok - Riommar - Riordan - Riou - Rivius - Rivoare - Riwall - Robart - Robartaig - Robat - Robert - Robet - Robhartach - Robyn - Rogasian - Rogatien - Rogh - Rognvaldr - Rojer - Roman - Romney - Ronald - Ronan - Ronat - Rooney - Roparz - Roparzh - Roperz - Rordan - Rory - Ross - Roth - Rothach - Rourke - Rowan - Rowen - Roy - Rua - Ruadan - Ruadh - Ruadhan - Ruaidre - Ruaidri - Ruairi - Ruairidh - Ruannaidh - Ruarc - Ruaud - Rudrach - Rudraighe - Rufus - Ruide - Ruith - Rumon - Ryan - Ryhn - Ryol