Name
- Rhys ab Einion1
- Rhys ab Hywel ab Morgan1
- Rhys ab Jevan1
- Richard, David1
- Richards, Edward1
- Richards, Thomas, of Add MS 149291
- Robert Llyn1
- Robert Wyn ab Ifan1
- Robert ab Gruffydd ab Jevan1
- Robert ab Ifan ab Morgan1
- Roberts, John, of Ty-du1
- Roberts, Rhydderch1
- Roberts, Richard, of Add MS 148761
- Robinson, Family1
- Roger ab Robert1
- Rowland Vaughan1
- Rowland, William1
- Salisbury, Reverend1
- Samwell, David, alias Dafydd Ddu Feddig1
- Saunders, R-1