Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LONGMAN
As described in historical dictionaries
Patronymica Britannica (1860)
LONGMAN. 1 . A man of great statui-e. 2. A village in Banfl'shire.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English