Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DALLMAN
As described in historical dictionaries
Patronymica Britannica (1860)
DALLMAN. 1. Possibly Dale-man, an inhabitant of a valley. In Scotl. a " dale'sman." 2. The same as D'Almaine.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English