Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
RAWCLIFFE
As described in historical dictionaries
Patronymica Britannica (1860)
RAWCLIFFE. Townships, &c., in cos. York and Lancaster — two in each. Tbe ancient orthography seems to have been Rockliffe.