From a Norman French name, Raulf, a contracted form of the Germanic personal name Radulf, derived from rād ‘counsel’ + wulf ‘wolf’. The spelling with -ph is due to classical influence in the 18th century.
English (Lancashire and Yorkshire):1. .occupational name for a keeper of oxen, from an agent derivative of Middle English nowt ‘beast’, ‘ox’ (from Old Norse naut, a cognate of Old English nēat; compare Neat). 2. occupational name for a scribe or clerk, from Middle English notere (Old English nōtere, from Latin notarius, an agent derivative of nota ‘mark’, ‘sign’).