Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
KELSEY
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) A town in Lincolnshire, England. Kelsey, in Cornish British, signifies the "dry neck," from Kel, a neck, and syck, dry.
Patronymica Britannica (1860)
KELSEY. Xorth and South Kelsey are parishes in co. Lincoln.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English