Dictionary of Medieval Names
from European Sources

Alfgar m. Old English ælf 'elf' + Old English gār 'spear'.

The name of an early Anglo-Saxon saint and an 11th C earl of Mercia.

Alger may also be a form of Adalger.

England
Latin
966 Ælfgar (nom) CDAS DXXIX; 1181 Algari (gen) StPaulDom p. 115; 1189 Algari (gen) GASurv p. 140, Algarus (nom) ibid. p. 148; 1222 algari (gen) StPaulDom p. 29
Germany
Latin
828 Algeri (gen) OrkGZ no. 29
The Netherlands
Latin
814x815 Albger (nom) OrkGZ no. 27, Alfger (dat) ibid. no. 27; 838 Alfgeri (gen) ibid. no. 33
Scotland
Latin
c1100 Algaro (abl) ESC XX; c1110 Algaro (dat) ibid. XXVI; c1117 Algaro (dat) ibid. XXIX
Cite as: S.L. Uckelman. "Alfgar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Alfgar.