O'Callighan Surname

14,316,765th
Most Common
surname in the World

Approximately 1 people bear this surname

Most prevalent in:
Canada
Highest density in:
Canada

O'Callighan Surname Definition:

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 Mr. D'Alton, was partly in cos. Louth and Mayo, but especially in Cork, where 50,000 acres of laud on both sides of the Blackwater, and hence called Pobble O'Callaghan, were occupied by them.

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O'Callighan Surname Distribution Map

By incidenceBy frequencyBy rank
Incidence (high to low)Incidence (low to high)Alphabetic A-ZAlphabetic Z-ARank (high to low)Rank (low to high)
PlaceIncidenceFrequencyRank in Area
Canada11:36,845,591464,108
United States11:362,458,9331,988,048
PlaceIncidenceFrequencyRank in Area
Ireland71:632,83819,259
PlaceIncidenceFrequencyRank in Area
England11:24,375,369195,128

O'Callighan Surname Meaning

From Where Does The Surname Originate? meaning and history

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 Mr. D'Alton, was partly in cos. Louth and Mayo, but especially in Cork, where 50,000 acres of laud on both sides of the Blackwater, and hence called Pobble O'Callaghan, were occupied by them.

— Patronymica Britannica (1860) by Mark Antony Lower

O'CALLAGHAN: (Celtic or Gaelic.) The descendants or tribe of Callaghan, from Ciallach, prudent, judicious, discreet.

— Ludus Patronymicus (1868) by Richard Stephen Charnock
DNA test information
Display Statistics on:
  • Religious Adherence in:
    Ireland

O'Callighan Demographics

O'Callighan Religious Adherence
in Ireland

Sample size: 7 (1901)

Religious Adherence
in Ireland

View the most religious surnames in Ireland

O'Callighan Last Name Facts

Where Does The Last Name O'Callighan Come From? nationality or country of origin

The surname O'Callighan is found most frequently in Canada. It may also be rendered as a variant:. Click here for other potential spellings of this surname.

How Common Is The Last Name O'Callighan? popularity and diffusion

The last name is the 14,316,765th most commonly used last name on a worldwide basis. It is borne by approximately 1 in 2,147,483,647 people. It is predominantly found in The Americas, where 200 percent of O'Callighan live; 200 percent live in North America and 200 percent live in Anglo-North America.

The last name O'Callighan is most widespread in Canada, where it is carried by 1 people, or 1 in 36,845,591. In Canada O'Callighan is mostly found in: Ontario, where 100 percent reside. Apart from Canada it is found in one country. It is also found in The United States, where 100 percent reside.

O'Callighan Last Name Statistics demography

The religious adherence of those bearing the O'Callighan last name is principally Catholic (86%) in Ireland.

Phonetically Similar Names

Incidence (high to low)Incidence (low to high)Alphabetic A-ZAlphabetic Z-ASimilarity (high to low)Similarity (low to high)Prevalent jurisdiction A-ZPrevalent jurisdiction Z-A
SurnameSimilarityWorldwide IncidencePrevalency
O'Calligan950/
Ocallighan950/
O'Callaghan9123,529/
O'Calleghan910/
Ocalligan900/
O'Ceallaighain881/
Ocaleghan800/
O'Giolligan730/
Okoligan6330/
Okoligon531/

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Footnotes

  • Surnames are taken as the first part of an person's inherited family name, caste, clan name or in some cases patronymic
  • Descriptions may contain details on the name's etymology, origin, ethnicity and history. They are largely reproduced from 3rd party sources; diligence is advised on accepting their validity - more information
  • Name distribution statistics are generated from a global database of over 4 billion people - more information
  • Heatmap: Dark red means there is a higher occurrence of the name, transitioning to light yellow signifies a progressively lower occurrence. Clicking on selected countries will show mapping at a regional level
  • Rank: Name are ranked by incidence using the ordinal ranking method; the name that occurs the most is assigned a rank of 1; name that occur less frequently receive an incremented rank; if two or more name occur the same number of times they are assigned the same rank and successive rank is incremented by the total preceeding names
  • Ethnic group cannot necessarily be determined by geographic occurrence
  • Similar: Names listed in the "Similar" section are phonetically similar and may not have any relation to O'Callighan
  • To find out more about this surname's family history, lookup records on Family​Search, My​Heritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis