Dictionary of Medieval Names
from European Sources
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Madog m. A derivative of Old Breton, Middle Welsh mat 'good, fortunate'.

The name of a legendary 12th C Welsh explorer who purportedly reached America, two 12th C princes of Powys, and two 13th C princes of Powys.

In early Arthurian literature, Madoc is the name of a son of Uther and brother of Arthur.

Wales
Latin
● 1198 Madocus (nom) Pryce-1st no. 8, Madog (abl) ibid. no. 5; 1206 Madoco (abl) ibid. no. 9; 1216xc1226 Madocum (acc) ibid. no. 16, Madocus (nom) ibid. no. 16; 1223 Maddoc (gen) ibid. no. 20, Maddoc' (abl) ibid. no. 20; 1247 Madoco (abl) ArchCambIII p. 228, Madocus (nom) ibid. p. 228, madoci (gen) ibid. p. 228; 1360 Madoc (nom) ibid. p. 166; 1453 Madoc (nom) ibid. p. 69; 1454 Madoc (nom) ibid. p. 70; 1455 Madoc (nom) ibid. p. 72; 1456 Madoc (nom) ibid. p. 258; 1497 Madoc (nom) ibid. p. 66
◑ 1360 Madyn (nom) ArchCambIII p. 166; 1452 Madogyn (nom) ibid. p. 71; 1453 Madogyn (nom) ibid. p. 69
Cite as: S.L. Uckelman. "Madog". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2023, no. 1. http://dmnes.org/2023/1/name/Madog.