The Onslowe Family Name
Arms linked to Onslow and its spellings were granted to individual families; our heraldry team traces which line they belonged to.
Family name meaning
Onslowe sits within the Onslow family of names, which has English roots. Its meaning, shared with Onslow, is “Ondsla's mound”.
The extra “e” in Onslowe is a spelling habit rather than a different name. Regional accents shaped spellings long before dictionaries fixed them.
Research your Onslowe family history with a full surname report and painted coat of arms.