O'Cahan Surname

7,593,402nd
Most Common
surname in the World

Approximately 6 people bear this surname

Most prevalent in:
Northern Ireland
Highest density in:
Northern Ireland

O'Cahan Surname Definition:

O'CAHAN: The O'Cahans, formerly prevalent about Coleraine, have softened their name to O'Kane, Cain, and Kane. Ulst. Journ, of Archaeol., No. 20.

O'Cahan Surname Distribution Map

PlaceIncidenceFrequencyRank in Area
Northern Ireland51:369,00715,220
Canada11:36,845,591464,108

O'Cahan Surname Meaning

From Where Does The Surname Originate? meaning and history

O'CAHAN: The O'Cahans, formerly prevalent about Coleraine, have softened their name to O'Kane, Cain, and Kane. Ulst. Journ, of Archaeol., No. 20.

Patronymica Britannica (1860) by Mark Antony Lower

O'Cahan Last Name Facts

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

The last name O'Cahan is carried by more people in Northern Ireland than any other country or territory. It may occur as a variant:. For other potential spellings of O'Cahan click here.

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

The surname O'Cahan is the 7,593,402nd most prevalent last name in the world It is held by around 1 in 1,214,590,986 people. The surname O'Cahan is primarily found in Europe, where 83 percent of O'Cahan reside; 83 percent reside in Northern Europe and 83 percent reside in British Isles.

It is most widespread in Northern Ireland, where it is borne by 5 people, or 1 in 369,007. In Northern Ireland O'Cahan is most numerous in: Ulster, where 100 percent are found. Apart from Northern Ireland this last name occurs in one country. It is also found in Canada, where 17 percent are found.

Phonetically Similar Names

SurnameSimilarityWorldwide IncidencePrevalency
O'Cahane930/
O'Chan922/
Ocahan922/
Hocahan8695/
Ochan8319,146/
Ocaan837/
Ouchan77728/
Osahan77542/
Ochkan77457/
O'Cain77350/
Ochean77234/
Otchan77104/
Gochan7751/
Acahan7737/
Hochan7736/
Ochane7713/
Ochain777/
O'Cane772/
Okahan772/
Ojahan772/
Oichan772/
Ochann771/
Oochan771/
Oîchan771/
Ochaan771/
Ochaun771/
Ochaàn771/
Ecahan771/
O'Khan771/
Ocan7320,304/
Ouchane711,529/
Ouchain71170/
Hochain71158/
Ağcahan7146/
Houchan7132/
Gouchan7115/
O'Caine717/
Hoychan714/
Hochane713/
Gochean712/
Hochanh712/
Hochhan712/
Hozahan711/
Otchane711/
Ochanne711/
Ouchayn711/
Otchang711/
Ochahyn711/
Hoichan711/
Gotchan710/
Ahsan67219,150/
Achan6716,333/
Akhan6714,951/
Ocean675,565/
Ozcan672,626/
Ojhan671,286/
Azhan671,017/
Ocain67949/
Ocang67895/
Gocan67865/
Ocsan67529/
Okcan67512/
Okhan67503/
Ochon67496/
Ahzan67461/
Ockan67374/
Ozhan67161/
Ohsan67117/
O'Con6782/
Ajhan6766/
Hotchand6754/
Osaan6751/
Ohkan6745/
Ahčan6737/
Ocane6734/
Hocan6727/
Osahn6718/
Ocand6715/
Oscan6714/
Occan6714/
Houchane6714/
Ahkan6710/
Otcan679/
Țocan675/
Acaan675/
Okaan674/
Oycan674/
Otchatin674/
Ocehn674/
Hotchang674/
Hocshain673/
Ouchaine673/
Ocian673/
Ocann672/
Ojahn672/
Outchane672/
Oecan672/
Oczan672/
Oucan672/
Ocant672/
Ozaan671/
Oican671/
Ohcan671/
Ogcan671/
Ocanh671/
O'Kan671/
O'zan671/
Godschan671/
Ecaan671/
Ochahyna671/
Godchean670/

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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'Cahan
  • 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