Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
JASON
As described in historical dictionaries
Patronymica Britannica (1860)
JASON. Albeit the baronet family of this name (extinct in 1788) bore in their arms " a golden fleece," I clo not think they ever proved their pedigree from the leader of the Argonautaa. It is far more probable that they were only Jamesons with the omission of a couple of letters.
Surname type: From given name or forename
Region of origin: Europe