Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
EVERARD
As described in historical dictionaries
Patronymica Britannica (1860)
EVERARD. A well-known Teutonic baptismal name. The family were ancient in the county of Essex. In Domesd. Ebrardus : in H.R. Eborard.