Name
- Robinson, Family1
- Rowland Meredydd1
- Silvester, Joshua1
- Sion Brwynog, alias Sion ab Hywel ab Llywelyn ab Ithel, alias y Kardiwr du1
- Sion Cent1
- Sion Mawddwy1
- Stedman, Family1
- Theodere, Richard Owen1
- Thomas Anwyl1
- Thomas Glyn Llifon1
- Thomas, Morys1
- Thomas, Richard, of Add MS 148841
- Thomas, Robert, of St. Bride's1
- Tudyrr Penllyn1
- Twm Tegid1
- Vaughan, Rowland1
- William Matthew1
- William ab Hywel ab Thomas1
- William ab Rees1
- Wynne, C-1