Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BALSAM
As described in historical dictionaries
Patronymica Britannica (1860)
BALSAM. From Balsham In Cambridgeshire, which Fuller characterizes as "an eminent village," and the only one in England bearing the name. The place was anciently called Bals-hani, not Balsh-am.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English