O'Briens Surname
Approximately 4 people bear this surname
O'Briens Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 3 | 1:1,569,646 | 17,286 |
| Brazil | 1 | 1:214,074,332 | 1,693,628 |
| Canada | 1 | 1:36,845,591 | 464,108 |
| France | 1 | 1:66,422,722 | 504,397 |
| United States | 1 | 1:362,458,933 | 1,988,048 |
| Vietnam | 1 | 1:92,646,054 | 8,382 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 23 | 1:192,603 | 9,322 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Scotland | 9 | 1:415,913 | 11,811 |
| England | 1 | 1:24,375,369 | 195,128 |
| Wales | 1 | 1:1,568,416 | 19,290 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| United States | 1 | 1:50,218,684 | 817,899 |
O'Briens Demographics
O'Briens Religious Adherence
in Ireland
Religious Adherence
in Ireland
O'Briens Last Name Facts
Where Does The Last Name O'Briens Come From? nationality or country of origin
The last name O'Briens is more frequently found in Ireland than any other country or territory. It may appear as a variant:. For other possible spellings of this name click here.
How Common Is The Last Name O'Briens? popularity and diffusion
The last name is the 8,968,613th most common last name on a global scale, held by approximately 1 in 1,821,886,479 people. The last name is predominantly found in Europe, where 100 percent of O'Briens reside; 75 percent reside in Northern Europe and 75 percent reside in British Isles.
The last name is most frequently used in Ireland, where it is held by 3 people, or 1 in 1,569,646. In Ireland it is mostly found in: Leinster, where 67 percent live and Munster, where 33 percent live. Without taking into account Ireland O'Briens exists in 5 countries. It also occurs in Brazil, where 25 percent live and Canada, where 25 percent live.
O'Briens Family Population Trend historical fluctuation
The prevalency of O'Briens has changed over time. In Ireland the number of people who held the O'Briens surname decreased 87 percent between 1901 and 2014.
O'Briens Last Name Statistics demography
The religious devotion of those holding the O'Briens last name is primarily Catholic (78%) in Ireland.
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
- 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'Briens
- To find out more about this surname's family history, lookup records on FamilySearch, MyHeritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis