There are
109
Monnahans in the USA
Monnahan is the
150452nd
most common last name in the USA

Historical figures and celebrities called Monnahan

PatrickMonnahan

Patrick Monnahan was a famous Irish writer and poet, known for his evocative works reflecting the beauty and struggles of Irish life.

BridgetMonnahan

Bridget Monnahan was a renowned Irish singer and performer, celebrated for her powerful vocals and captivating stage presence.

MichaelMonnahan

Michael Monnahan was a notable Irish politician and social reformer, advocating for the rights of the working class and fighting against inequality.

KathleenMonnahan

Kathleen Monnahan was a pioneering Irish scientist, recognized for her groundbreaking research in the field of genetics and her contributions to the understanding of inherited diseases.

SeamusMonnahan

Seamus Monnahan was a prominent Irish businessman and philanthropist, known for his successful ventures and his dedication to supporting various charitable causes.

Monnahan Genealogy

OriginsThe origins of the Monnahan surname are predominantly Irish, specifically from the Counties of Kerry and Limerick. It is also found in other parts of Ireland and among Irish diaspora communities.
Geographic DistributionThe Monnahan surname is primarily concentrated in Ireland, with a significant presence in the United Kingdom and the United States. It can also be found among Irish communities in Canada and Australia.
VariationsVariations of the Monnahan surname include Monaghan, Monnihan, and Monahane.
Migration and ImmigrationThe Monnahan family has a history of migration and immigration, particularly during the Irish diaspora of the 19th and 20th centuries. Many Monnahans emigrated to the United States and other countries in search of better opportunities.