Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
ELGAR
As described in historical dictionaries
Patronymica Britannica (1860)
ELGAR. An ancient personal name, still often used in the South as a baptismal appellation. Its forms in Domesd. are Algar and -SSlgar.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English