Aiton (surname)

Aiton is a surname with origins in Scotland and England. It is a locational name, likely derived from a place name. In Scotland, it may originate from the barony of Aiton in Berwickshire. The place name itself is believed to be of Old English origin, potentially derived from "ēa" meaning "river" and "tūn" meaning "enclosure" or "settlement," suggesting a settlement near a river.

Alternatively, in England, the surname could be a variant of Eyton, derived from various places named Eyton, with similar origins relating to a river or island.

Notable people with the surname Aiton include:

• William Aiton (1731–1793): Scottish botanist and gardener.
• William Townsend Aiton (1766–1849): Scottish botanist and gardener, son of William Aiton.

The surname Aiton has various spellings and related forms, potentially including Ayton and Eyton, although the specific relationship requires genealogical research. Its distribution is primarily found in Scotland and England, with smaller populations in other English-speaking countries.