Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
POMEROY
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Fr.) Pomme-roi, a kind of apple, the royal apple, king's apple, or king of apples; a name probably given to a gardener for his skill in raising them, or a name of place where such apples were raised.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English