Lindsay or Lindsey is an English surname and given name. The given name comes from the Scottish surname and clan name, which comes from the toponym Lindsey, which in turn comes from the Old English toponym Lindesege for the city of Lincoln, in which Lind is the original Brittonic form of the name of Lincoln and island refers to Lincoln being an island in the surrounding fenland. Lindum Colonia was the Roman name of the settlement which is now the City of Lincoln in Lincolnshire. Lindum was a Latinized form of a native Brittonic name which has been reconstructed as *Lindon, which means "pool" or "lake" and refers to the Brayford.
