Wizarding family of unknown degree
|Notable family members|
- Barnaby Ollerton — co-founded the Cleansweep Broom Company with his brothers Bill and Bob
- Bill Ollerton — brother of Barnaby and Bob
- Bob Ollerton — brother of Barnaby and Bill
- Gifford Ollerton — slayer of the giant Hengist of Upper Barnton
The surname "Ollerton" derives from the name of several locations in England. It means "alder town," from the Old English alra, "alder," and tun, settlement.