Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MANSON
As described in historical dictionaries
Patronymica Britannica (1860)
MANSON. From \Ian, an ancient personal name. See Man and Mann. In Domesd. it is written Manessuua and Mansuna.
Surname type: From given name or forename
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic