Caulfield is a surname of several separate origins.[1] It may occasionally be of English origin,[2] but in Ireland is often a simplified form of a number of
Gaelic surnames, including Mac Cathmhaoil,[3] an Ulster family traditionally descended from
Niall of the Nine Hostages.[4] It is also known to be an anglicized form of Ó Gamhna and Ó Gamhnáin. A variant
Caulfeild, were an Anglo-Irish family (see
Earl of Charlemont). Notable people with this surname include:
Jack Caulfield, member of the Richard Nixon administration, assistant director of criminal enforcement at the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives
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