Caythorpe, in the Thurgarton Wapentake of Nottinghamshire, probably comes from the Old Norse male personal name Káti and the Old Norse element þorp ‘outlying farm, settlement’. There is also a Caythorpe in Lincolnshire.
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Find out about Caythorpe, Nottinghamshire.
J.E.B. Gover, Allen Mawer and F.M. Stenton, The Place-Names of Nottinghamshire. English Place-Name Society Volume XVII (1940), pp. 159-160.