Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
RULE
As described in historical dictionaries
Patronymica Britannica (1860)
RULE. Pernap rivulet; but more probably the A. -Norman personal name Raoul. "The H.R. Ruel favours the latter derivation.
Origin: Anglo-Saxon
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English