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
The last name O'Sullavan is found most frequently in Australia. It may also be rendered as:. Click here to see other potential spellings of this name.
How Common Is The Last Name O'Sullavan? popularity and diffusion
The surname O'Sullavan is the 8,968,613th most commonly occurring surname on a worldwide basis, held by approximately 1 in 1,821,886,479 people. This surname occurs predominantly in The Americas, where 50 percent of O'Sullavan reside; 50 percent reside in North America and 50 percent reside in Anglo-North America.
The last name O'Sullavan is most common 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. Not including Australia it occurs in one country. It is also found 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 share of the population with the surname contracted 60 percent between 1880 and 2014.
O'Sullavan Last Name Statistics demography
The religious adherence of those bearing the O'Sullavan last name is principally 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