Onion Family History
Onion Surname Meaning
Welsh: from a variant of the personal name Hennion (see Eynon) through false association by folk etymology with the English vocabulary word onion.
English (Midlands): perhaps a metonymic occupational name from Middle English oinyon ‘onion’ (Old French oignon) perhaps given to a grower or seller of onions.
English: alternatively possibly a variant of Unwin.
Source: Dictionary of American Family Names 2nd edition, 2022
