Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BOULTER
As described in historical dictionaries
Patronymica Britannica (1860)
BOULTER. One who sifts meal— an occupation formerly distinct from that of the miller. See Richardson and Halliwell.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English