There are
193
Grehans in the USA
Grehan is the
94730th
most common last name in the USA

Historical figures and celebrities called Grehan

SeanGrehane

Sean Grehane was a renowned Irish poet and writer, known for his lyrical verses and exploration of Irish folklore and mythology.

MaireadGrehan

Mairead Grehan was a respected Irish journalist and political commentator, recognized for her insightful analysis of Irish current affairs and international politics.

PadraigGrehan

Padraig Grehan was a prominent Irish musician and composer, celebrated for his contributions to traditional Irish music and his innovative compositions.

SiobhanGrehan

Siobhan Grehan was a trailblazing Irish entrepreneur and business leader, known for her successful ventures in the tech industry and her advocacy for women in business.

MichaelGrehan

Michael Grehan was a notable Irish historian and scholar, specializing in Irish medieval history and contributing to our understanding of the country's rich heritage.

Grehan Genealogy

OriginsThe Grehan surname primarily originates from Ireland, specifically from the Gaelic-speaking regions. It is associated with the Irish culture and history.
Geographic DistributionThe Grehan surname is most commonly found in Ireland, where it has its strongest presence. It may also be found among Irish diaspora communities in countries such as the United Kingdom, the United States, Canada, and Australia.
VariationsVariations of the Grehan surname include O'Grehan and Greaghan.
Migration and ImmigrationThe Grehan family has a history of migration and immigration, with some individuals from Ireland relocating to other countries for various reasons such as economic opportunities or personal circumstances.