Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DEARLOVE
As described in historical dictionaries
Patronymica Britannica (1860)
DEARLOVE. 1. Possibly local- from deer, the animal, and low, a liill. 2. The old Germanic personal name Deorlaf.