McKnight (also MacKnight, Macknight) is a Scottish (Ulster-Scots) surname. It is a derivative of the surname MacNaught/McNaught. Notable people with the surname include. A. Allen McKnight (born 1964), Northern Irish footballer. Angela V. McKnight (born 1977), American politician. Ann McKnight, American film editor. Anna Caulfield McKnight (1866–1947), American lecturer. Anne McKnight (1924–2012), American soprano. Anthony McKnight (1954–2019), American serial killer. B. Beeban McKnight (1897–1996), New Zealand entertainer. Bert McKnight (1883–1961), Australian rules footballer.
https://en.wikipedia.org/wiki/McKnight