Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SEYMOUR
As described in historical dictionaries
Patronymica Britannica (1860)
SEYMOUR. A corruption of St Maur, which see. Many of the families who write themselves Seymour, have prohably little claim to a Norman origin. Some may derive from Semer, a parish in Suffolk, and others from the A-Sax. seamere, a tailor. Semar is also an ancient personal name. Camden.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English