Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
ROSER
As described in historical dictionaries
Patronymica Britannica (1860)
ROSER. • Probnbly tlie Fr. rosier. O. Eng. roscre, a rose-tree. See anecdote from Maundevile, Eng. Sum, i. 1 85.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English