Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LEVIT
As described in historical dictionaries
Patronymica Britannica (1860)
LEVETT. LEVIT. 1. Fr. le Vite, "the quick, speedy, or swift." 2. From one of the places in Normandy called Livet. The Itin. de la Normandic mentions no less than eight of these.