Name
- Thomas Glyn Llifon1
- Thomas Gwynedd1
- Thomas Jenkin ab Jevan1
- Thomas Kelli1
- Thomas Lleyn1
- Thomas Llwyd Jevaf1
- Thomas Llyweluyn1
- Thomas Llywelyn Dio ab Hywel1
- Thomas William Hywel1
- Thomas ab Edward1
- Thomas ab Jevan ab Rhys1
- Thomas ab Rhys1
- Thomas ab Robert1
- Thomas, Humphrey1
- Thomas, John, Reverend; Schoolmaster of Beaumaris1
- Thomas, Morys1
- Thomas, Robert, of Llanfair Talhaiarn1
- Trevor, Edward1
- Trevor, John, of Add MS 148911
- Tyssilio1