O'Cathain Surname

1,691,963rd
Most Common
surname in the World

Approximately 116 people bear this surname

Most prevalent in:
Ireland
Highest density in:
Ireland

O'Cathain Surname

The meaning of this surname is not listed.

O'Cathain Surname Distribution Map

PlaceIncidenceFrequencyRank in Area
Ireland981:48,0503,523
Northern Ireland111:167,7318,683
England61:9,286,343223,652
United States21:181,229,4661,556,795
Belgium11:11,496,644167,539
Sweden11:9,846,757347,448
PlaceIncidenceFrequencyRank in Area
Ireland11:4,429,86640,727

The alternate forms: O'catháin (2) are calculated separately.

O'Cathain Last Name Facts

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

The surname O'Cathain occurs in Ireland more than any other country or territory. It can be found in the variant forms: O'catháin. For other potential spellings of this surname click here.

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

O'Cathain is the 1,691,963rd most frequently used surname at a global level, held by around 1 in 62,823,672 people. The last name O'Cathain is mostly found in Europe, where 101 percent of O'Cathain reside; 100 percent reside in Northern Europe and 99 percent reside in British Isles.

The last name O'Cathain is most commonly held in Ireland, where it is held by 98 people, or 1 in 48,050. In Ireland O'Cathain is most frequent in: Leinster, where 60 percent live, Munster, where 27 percent live and Connaught, where 13 percent live. Aside from Ireland it occurs in 5 countries. It is also found in Northern Ireland, where 9 percent live and England, where 5 percent live.

O'Cathain Family Population Trend historical fluctuation

The prevalency of O'Cathain has changed over time. In Ireland the number of people carrying the O'Cathain surname grew 9,800 percent between 1901 and 2014.

O'Cathain Last Name Statistics demography

The religious adherence of those holding the O'Cathain surname is primarily Catholic (100%) in Ireland.

Phonetically Similar Names

SurnameSimilarityWorldwide IncidencePrevalency
O'catháin962/
Ocathain944/
O'Cathan941/
Ocaithain891/
Ocatan802/
O'Cauthen781/
Osathan7554/
Acathan756/
Ocatham750/
Hoscahtain741/
Ocauthen711/
Okatan674,085/
Ecatan67212/
Osatan6741/
Acatan6710/
Achauthan674/
Osathasen672/
Ozatan671/
Hochatine670/

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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
  • 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'Cathain
  • 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