Kilby

Kilby is a surname of English origin and a place name in England. As a surname, Kilby is habitational, derived from locations named Kilby in various counties. The name has been borne by several notable individuals, most famously Jack Kilby (1923–2005), an American electrical engineer who co-invented the integrated circuit at Texas Instruments in 1958, a development that helped enable modern computing and electronics.

Kilby also refers to a village in Leicestershire, England, reflecting the common English practice of deriving surnames from local place names. The Kilby name appears in historical and contemporary contexts, including references in local geography and genealogical records.

In summary, Kilby functions as both a family name and a geographic designation, with its most prominent association being Jack Kilby, a key figure in the history of electronic technology.