Kellahan is used as a family name or surname in Ireland. It is 8 characters long in length.

Family Name / Last Name: Kellahan
No. of characters: 8
Origin: Ireland
Meaning:

Surname Kellahan is the variant form of the O'Callaghan. This ancient family derive their origin and their surname from Ceallachan Cathel, a famous king of Munster in the tenth century. Their territory, according to historian D'Alton, was partly in counties Louth and Mayo, but especially in Cork, where 50,000 acres of land on both sides of the Blackwater, and hence called Pobble-O'Callaghan, were occupied by them.

Family name Kellahan is a variant of O'Callaghan. Grandson of little Ceallach meaning "war or strife".

The variant of Callahan. Grandson of little Ceallach meaning "contention".

Kellahan is the variant of Callaghan. The Irish O'Callaghan.

How popular is Kellahan?

Kellahan is common in United States, Australia.

Kellahan is ranked 947337 on our list.

Kellahan is quite rare family name, few people in United States and New Zealand have the last name. Around 276 people have been found who wears Kellahan as their family name. Few people around the world have Kellahan as their surname. More detailed information can be found below:
RankCountryCount
Countries with hundreds of Kellahan:
176,194 United States120
22,912 Australia109
Countries with very low frequency i.e., 10 - 50:
15,192 New Zealand37
Countries with very very low frequency i.e., 6 - 10:
191,443 Canada10

Related Family Names: