There are
215
Colahans in the USA
Colahan is the
86645th
most common last name in the USA

Historical figures and celebrities called Colahan

PatrickColahan

Patrick Colahan was an Irish politician and activist known for his contributions to Irish nationalism and his role in advocating for Irish independence during the early 20th century.

BridgetColahan

Bridget Colahan was a prominent Irish writer and poet, recognized for her literary works that explored themes of Irish identity and culture during the 19th century.

MichaelColahan

Michael Colahan was an influential Irish artist and sculptor, renowned for his innovative artistic style and his contributions to the Irish art scene in the mid-20th century.

EileenColahan

Eileen Colahan was a trailblazing Irish scientist in the field of chemistry, making groundbreaking discoveries related to molecular compounds and their applications in industry during the late 20th century.

SeanColahan

Sean Colahan was a notable Irish businessman and philanthropist, known for his successful ventures in the technology industry and his extensive charitable work in Ireland.

Colahan Genealogy

OriginsThe Colahan surname has its origins in Ireland, specifically in Gaelic-speaking regions. It is primarily associated with Irish heritage and is found among individuals with Irish ancestry.
Geographic DistributionThe Colahan surname is most commonly found in Ireland, where it has a significant presence among individuals of Irish descent. It may also be found in other English-speaking countries with Irish immigrant populations.
VariationsVariations of the Colahan surname include Mac Cathalain and Mac Calihan.
Migration and ImmigrationThe Colahan surname, like many Irish surnames, may be associated with migration and immigration to countries such as the United States, Canada, Australia, and the United Kingdom, particularly during periods of Irish emigration.