Dictionary of Medieval Names
from European Sources

Boniface m. Latin bonifatius 'well-doer'.

The name of a 4th C Roman saint, a 5th C saint, eight popes and an antipope, an 8th C Anglo-Saxon saint, an 8th C Scot-Pictish saint, and a 12th C French saint.

France
Latin
c665 Bonefacio (abl) DCEL-2 Add. IV; 699 Bonefatio (abl) ibid. Add. X; 1065x1079 Bonefacius (nom) StVdM-II 663; 1096 Bonefacii (gen) St-Bernard-Romans 138, Bonefacius (nom) ibid. 138; 1158 Bonifacius (nom) StVdM-II 702
Middle French
1421 Boniface favier 234
Germany
Latin
699 Bonefacio (nom) DCEL-2 XI; 1208 Bonifacius (nom) quix-vol2 124
Italy
Latin
994 Bonifatii (gen) RCI-Cam1 4; 1285 Bonifatii (gen) Perugia1285 p. 159; 1326 Bonifacium (acc) Friuli-14thC no. 446; 1376 Bomffacio (abl) DouGen1 p. 134; 1397 Bonifacio (dat) StDav-1 p. 8, Bonifacius (nom) ibid. p. 2; 1464 Bonifacius (nom) CUP-III-I CCXXXI; 1527 Bonifacius (nom) Rome1527 p. 84
Italian
1401 Bonifatio SDHK no. 15739
Cite as: J. Uckelman, S.L. Uckelman. "Boniface". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Boniface.