Ocallaghan Surname

106,745th
Most Common
surname in the World

Approximately 4,377 people bear this surname

Most prevalent in:
United States
Highest density in:
Ireland

Ocallaghan Surname Definition:

(Celtic) the Irish O’Ceallachain = Descendant of Ceallachan [v. O’-, and Callaghan]

Ocallaghan Surname Distribution Map

PlaceIncidenceFrequencyRank in Area
United States2,8821:125,76613,353
Ireland8041:5,857904
Australia2691:100,35611,341
England1961:284,27622,043
Canada611:604,02649,778
Northern Ireland311:59,5174,663
Thailand241:2,943,264289,518
New Zealand171:266,37223,826
Wales131:238,04114,239
Scotland91:594,86921,724
Malaysia91:3,277,136121,952
Norway71:734,61250,907
Jersey71:14,1722,872
Venezuela61:5,034,01343,431
Spain61:7,792,006100,283
South Africa61:9,029,617189,736
Croatia51:845,72148,179
Brazil31:71,358,111770,017
Hong Kong21:3,667,74211,574
Czechia21:5,316,734169,646
Uruguay11:3,431,75838,295
Bahrain11:1,348,60810,432
Costa Rica11:4,780,06913,345
Singapore11:5,507,70347,049
Russia11:144,123,056881,408
Austria11:8,515,435118,036
Qatar11:2,357,99976,403
Netherlands11:16,887,176156,465
Namibia11:2,409,40119,676
Malawi11:17,119,10934,144
Kenya11:46,179,900103,372
Japan11:127,844,29373,547
Italy11:61,156,688199,583
India11:767,065,3821,851,717
Hungary11:9,816,27773,288
Guernsey11:64,4392,137
French Polynesia11:280,8057,211
France11:66,422,722504,397
PlaceIncidenceFrequencyRank in Area
United States851:590,80839,807

The alternate forms: Oçallaghan (1) are calculated separately.

Ocallaghan Surname Meaning

From Where Does The Surname Originate? meaning and history

(Celtic) the Irish O’Ceallachain = Descendant of Ceallachan [v. O’-, and Callaghan]

Surnames of the United Kingdom (1912) by Henry Harrison

“Son of Ceallachain” in Erse.

South African Surnames (1965) by Eric Rosenthal

(Irish) Grandson of little Ceallach (war or strife).

Dictionary of American Family Names (1956) by Elsdon Coles Smith

Ocallaghan Last Name Facts

Where Does The Last Name Ocallaghan Come From? nationality or country of origin

The last name Ocallaghan is found most frequently in The United States. It may appear as a variant: Oçallaghan. Click here for other possible spellings of Ocallaghan.

How Common Is The Last Name Ocallaghan? popularity and diffusion

This surname is the 106,745th most widespread surname throughout the world, borne by approximately 1 in 1,664,964 people. The surname Ocallaghan is mostly found in The Americas, where 67 percent of Ocallaghan are found; 67 percent are found in North America and 67 percent are found in Anglo-North America.

The last name Ocallaghan is most widespread in The United States, where it is borne by 2,882 people, or 1 in 125,766. In The United States it is primarily found in: California, where 15 percent reside, New York, where 12 percent reside and Massachusetts, where 10 percent reside. Aside from The United States this last name exists in 37 countries. It is also common in Ireland, where 18 percent reside and Australia, where 6 percent reside.

Ocallaghan Family Population Trend historical fluctuation

The frequency of Ocallaghan has changed over time. In The United States the number of people who held the Ocallaghan surname grew 3,391 percent between 1880 and 2014.

Ocallaghan Last Name Statistics demography

In The United States those holding the Ocallaghan surname are 2.39% more likely to be registered Democrats than the national average, with 55.62% being registered with the political party.

The amount Ocallaghan earn in different countries varies greatly. In Norway they earn 22.25% more than the national average, earning 423,087 kr per year; in South Africa they earn 68.78% more than the national average, earning R 401,088 per year; in United States they earn 18.24% more than the national average, earning $51,019 USD per year and in Canada they earn 3.21% more than the national average, earning $51,280 CAD per year.

Phonetically Similar Names

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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 Ocallaghan
  • 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