O'Sullavan Surname
Approximately 4 people bear this surname
O'Sullavan Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Australia | 2 | 1:13,497,850 | 222,987 |
| United States | 2 | 1:181,229,466 | 1,556,795 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 1 | 1:4,429,866 | 40,727 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| England | 3 | 1:8,125,123 | 158,686 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| United States | 5 | 1:10,043,737 | 422,899 |
O'Sullavan Demographics
O'Sullavan Religious Adherence
in Ireland
Religious Adherence
in Ireland
O'Sullavan Last Name Facts
Where Does The Last Name O'Sullavan Come From? nationality or country of origin
O'Sullavan occurs more in Australia more than any other country or territory. It can also be rendered in the variant forms:. For other potential spellings of this last name click here.
How Common Is The Last Name O'Sullavan? popularity and diffusion
This last name is the 8,968,613th most frequent last name internationally, borne by approximately 1 in 1,821,886,479 people. It is mostly found in The Americas, where 50 percent of O'Sullavan reside; 50 percent reside in North America and 50 percent reside in Anglo-North America.
O'Sullavan is most prevalent in Australia, where it is held by 2 people, or 1 in 13,497,850. In Australia O'Sullavan is primarily found in: Queensland, where 50 percent are found and Western Australia, where 50 percent are found. Barring Australia it exists in one country. It also occurs in The United States, where 50 percent are found.
O'Sullavan Family Population Trend historical fluctuation
The prevalency of O'Sullavan has changed through the years. In The United States the number of people bearing the O'Sullavan surname fell 60 percent between 1880 and 2014.
O'Sullavan Last Name Statistics demography
The religious adherence of those bearing the O'Sullavan last name is predominantly Catholic (100%) in Ireland.
Phonetically Similar Names
| Surname | Similarity | Worldwide Incidence | Prevalency |
|---|---|---|---|
| O'Sulliavan | 95 | 1 | / |
| O'Sullevan | 90 | 5 | / |
| O'Sullovan | 90 | 2 | / |
| Osullevan | 84 | 0 | / |
| O'Suloivan | 80 | 1 | / |
| O'Sulleabhain | 78 | 3 | / |
| O'Suilleabhan | 78 | 3 | / |
| O'Suilleabhain | 75 | 127 | / |
| Osulliabhain | 73 | 1 | / |
| Osuilleabhan | 73 | 1 | / |
| Osuilleabain | 73 | 1 | / |
| O'Suilleabhainn | 72 | 13 | / |
| Osuilleabhain | 70 | 148 | / |
| Osuileabhain | 64 | 1 | / |
| O'Suiliobhain | 61 | 0 | / |
| O'Suileibhain | 61 | 0 | / |
| Ojulawon | 56 | 1 | / |
| Asulawon | 56 | 1 | / |
| Azulawan | 56 | 1 | / |
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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'Sullavan
- 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