Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DORMER
As described in historical dictionaries
Patronymica Britannica (1860)
DORMER. Collins traces Lord Dormer's family no higher than the XV. cent. With tlie origin of the name I am unacquainted.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English