Heffernan

Heffernan is a surname of Irish origin. It is an anglicized form of the Gaelic name Ó hIfearnáin, meaning "descendant of Ifearnáin". The personal name Ifearnáin itself is believed to derive from the Old Irish word "ifearn" which means "hell" or "inferno". The surname is most commonly found in the province of Munster in Ireland.

As with many surnames, variations in spelling can occur, including Heffernan, Heffernon, and Hiffernan. The Heffernan clan was historically associated with County Tipperary. Throughout history, individuals bearing the surname have emigrated from Ireland, leading to its presence in countries such as the United States, Canada, Australia, and the United Kingdom.

Notable individuals with the surname Heffernan include various figures in politics, sports, arts, and academia, contributing to diverse fields globally. The name carries a historical connection to Irish heritage and has been carried by generations across different continents. Its origins are rooted in Gaelic patronymics, reflecting a common naming convention in Ireland.