Name
- Taliesin1
- Thomas Lleyn1
- Thomas Llywelyn Dio ab Hywel1
- Thomas William Hywel1
- Thomas ab Jevan ab Rhys1
- Thomas ab Rhys1
- Thomas, John, of Add MS 148781
- Thomas, Robert, of St. Bride's1
- Trevor, David, of Add MS 148661
- Tudyr Aled1
- Vaughan, Thomas, of Add MS 148801
- William Egwad1
- William Lleyn1
- William, Harri1
- Williams, Maurice1