Name
- Owain ab Sion ab Rhys ab Hywel Koetmor1
- Owen, Gronwy, Reverend; alias Gronwy Ddu1
- Owen, William, alias Idrison, afterwards Owen Pughe1
- Parry, Morris1
- Paul, Saint, of Add MS 118801
- Peter, Saint, Apostle and martyr1
- Philip, William1
- Philips, Richard, Reverend1
- Pierce, John, of Add MS 149571
- Pope, Alexander, of Add MS 121131
- Powel, Thomas, o Euas1
- Price, Edward, of Add MS 149791
- Price, Fulke1
- Reece, John1
- Rhisiart Gele1
- Rhisiart Jorwerth1
- Rhisiart ab Gruffydd ab Huw1
- Rhisiart ab Hywel ab Dafydd ab Einion1
- Rhydderch ab Rhisiart1
- Rhys Brychan1