hallinan

Hallinan refers to a surname of Irish origin. It is an anglicized form of the Gaelic Ó hAllagáin, meaning "descendant of Allagán." The personal name Allagán itself is thought to derive from "all," meaning "rock" or "stone." Historically, the Hallinan clan was associated with the province of Munster in southwestern Ireland.

The name is most prevalent in counties Cork and Limerick. As with many Irish surnames, emigration has led to its spread across the globe, particularly to countries such as the United States, Canada, Australia, and the United Kingdom. Individuals bearing the Hallinan surname have contributed to various fields, including politics, arts, and sports, both in Ireland and internationally. The distribution and variations of the Hallinan name reflect the broader patterns of Irish history and diaspora.