Summary

The surname Cahill is of Irish origin. It is derived from the Gaelic name Ó Cathail, meaning 'descendant of Cathal'. The name has a rich history and is associated with the ancient kingdom of Munster. Cahill families can be found across various parts of Ireland and the world.
There are
20623
Cahills in the USA
Cahill is the
1737th
most common last name in the USA

Historical figures and celebrities called Cahill

RobertCahill

Robert Cahill was an American mathematician and professor known for his work in mathematical logic and the foundations of mathematics.

TomCahill

Tom Cahill was an Australian rules footballer who played for the Geelong Football Club in the Victorian Football League.

PatCahill

Pat Cahill is a British stand-up comedian known for his surreal and offbeat style of humor.

MarieCahill

Marie Cahill was an American singer and actress who performed in musical theater during the early 20th century.

JohnCahill

John Cahill is an Australian politician who served as the Premier of South Australia from 1970 to 1979.

BobbyCahill

Bobby Cahill is a former American football player who played as a quarterback for the University of Colorado Boulder.

DavidCahill

David Cahill is an Irish barrister and politician who has served as a member of the Irish Parliament.

KathrynCahill

Kathryn Cahill is an American actress known for her roles in films like 'The Devil's Advocate' and 'Boys Don't Cry.'

CharlesCahill

Charles Cahill is an American attorney who specializes in personal injury and medical malpractice law.

EmilyCahill

Emily Cahill is a British filmmaker known for her award-winning documentary 'The Way We Pointed.'

Cahill Genealogy

OriginsThe name 'Cahill' is of Irish origin and is an anglicized form of the Gaelic surname Mac Cathail, meaning 'son of Cathal.' It is a common surname in Ireland, particularly in counties Kerry, Clare, and Tipperary.
Geographic DistributionThe surname 'Cahill' is most commonly found in Ireland, with a significant concentration in the aforementioned counties Kerry, Clare, and Tipperary. It is also present in other English-speaking countries with Irish diaspora, such as the United States and Australia.
VariationsVariations of the surname 'Cahill' include 'O Cahill' and 'Mac Cathail.'
Migration and ImmigrationThe Irish diaspora, particularly during periods of famine and political unrest in Ireland, led to the migration and immigration of people with the surname 'Cahill' to countries like the United States, Canada, Australia, and the United Kingdom.