Summary

The surname Callahan is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán". Ceallachán was a given name meaning "bright-headed" or "warlike". The Callahan surname has a long history in Ireland and is associated with the province of Munster. The family is known for its strong warrior tradition and has a proud heritage.
There are
50524
Callahans in the USA
Callahan is the
682nd
most common last name in the USA

Historical figures and celebrities called Callahan

HarryCallahan

Harry Callahan is a fictional character portrayed by Clint Eastwood in the 'Dirty Harry' film series. He is a tough and relentless police inspector known for his unorthodox methods.

JamesCallahan

James Callahan was an American actor best known for his role as Walter Powell on the television series 'Charles in Charge.' He appeared in numerous television shows and films throughout his career.

LeeCallahan

Lee Callahan is a radio personality and former television host known for her work in the entertainment industry, including her time as a DJ on Seattle radio station KMTT 103.7 The Mountain.

CallahanBrebner

Callahan Brebner is an Australian fashion model known for her work with various international fashion brands and designers. She has appeared on numerous magazine covers and in fashion campaigns.

PatCallahan

Pat Callahan is an American journalist and news anchor who has worked for various television stations, including NBC News and ABC News. He has covered major news events throughout his career.

KirkCallahan

Kirk Callahan is a sports radio personality and former professional athlete. He has hosted several sports talk shows and has been involved in the broadcasting industry for many years.

ChrisCallahan

Chris Callahan is a musician and songwriter known for his work in the alternative rock band Dashboard Confessional. He has released several albums and toured extensively.

JohnCallahan

John Callahan was an American cartoonist known for his work in the comic strips 'Drabble' and 'Caldwell.' He was known for his humorous and often irreverent style of cartooning.

EdwardCallahan

Edward Callahan is a former politician who served as the United States Ambassador to the Republic of Moldova from 2008 to 2012. He has also held various positions in government and academia.

BridgetCallahan

Bridget Callahan is a writer and comedian known for her witty and insightful essays and performances. She has been featured in various literary publications and has performed at comedy clubs and festivals.

Callahan Genealogy

OriginsThe surname 'Callahan' is of Irish origin. It is an anglicized version of the Gaelic name 'Ó Ceallacháin,' which means 'descendant of Ceallachán.' Ceallachán is a diminutive form of the personal name 'Ceallach,' meaning 'war' or 'strife.' The name is associated with the ancient kingdom of Munster in Ireland.
Geographic DistributionThe surname 'Callahan' is most commonly found in Ireland and the United States, particularly in states with large Irish-American populations such as Massachusetts, New York, and Illinois.
VariationsVariations of the surname 'Callahan' include 'O'Callaghan,' 'O'Callahan,' 'Callaghan,' 'Callihan,' 'McCallahan,' 'McCallaghan,' 'Kallahan,' 'Kallaghan,' and 'Kalahan.' These variations are often the result of anglicization or regional dialects.
Migration and ImmigrationThe name 'Callahan' is associated with Irish immigration to the United States, particularly during the 19th century. Many Irish immigrants with the surname 'Callahan' settled in cities such as Boston, New York, and Chicago, where they became part of the Irish-American community and contributed to the cultural and economic development of these areas.