Dictionary of Medieval Names
from European Sources

Tudor m. Proto-Celtic *towtā 'people, tribe' + Proto-Celtic *rīxs.

The name of an English royal house of Welsh origin.

A cognate of Theodoric. Tew- spellings can sometimes be forms of Tudor and sometimes Welsh forms of Theodore.

England
Early Modern English
1560 Tudyr RegSASel p. 7
Wales
Latin
1452 Tudur (nom) ArchCambIII p. 71; 1453 Tudur (nom) ibid. p. 69; 1454 Tudur (nom) ibid. p. 71; 1455 Tudur (nom) ibid. p. 72; 1456 Tudur (nom) ibid. p. 258; 1497 Tudor (nom) ibid. p. 68; 1535 Tewdor (nom) ibid. p. 211
Welsh
1581 Tydir RegCon1 p. 36
Cite as: S.L. Uckelman. "Tudor". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Tudor.