O'Mahoney Surname
Approximately 3,674 people bear this surname
O'Mahoney Surname Definition:
The O'Mahonys of Desmond are named from Mahon, son of Kian, king of Desmond, who fell at Clontarf in 1014. O'Donovan. "The O'Mahonys were powerful chieftains in Munster, and had extensive estates along the sea-coast of Cork and Kerry. Opposite Horse Island, off the former county, was their castle of Rosbrin, boldly erected on a rock over the sea; and its proprietor, availing himself of the natural advantage it possessed, led a life of such successful piracy that Sir George Carew, when lord president, was obliged to destroy it.
Read More About This SurnameO'Mahoney Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| England | 1,542 | 1:36,134 | 4,740 |
| Ireland | 1,389 | 1:3,390 | 607 |
| Australia | 297 | 1:90,895 | 10,420 |
| United States | 240 | 1:1,510,246 | 102,670 |
| Wales | 84 | 1:36,840 | 3,652 |
| Canada | 32 | 1:1,151,425 | 83,867 |
| Scotland | 30 | 1:178,461 | 9,900 |
| New Zealand | 14 | 1:323,452 | 26,435 |
| South Africa | 13 | 1:4,167,516 | 132,322 |
| Netherlands | 9 | 1:1,876,353 | 85,467 |
| France | 8 | 1:8,302,840 | 321,660 |
| Isle of Man | 7 | 1:12,260 | 2,387 |
| Northern Ireland | 6 | 1:307,506 | 12,899 |
| Antigua and Barbuda | 6 | 1:16,528 | 1,436 |
| Bermuda | 5 | 1:13,056 | 1,849 |
| United Arab Emirates | 4 | 1:2,290,568 | 60,372 |
| Jersey | 3 | 1:33,067 | 4,675 |
| Switzerland | 3 | 1:2,737,638 | 105,941 |
| Sweden | 2 | 1:4,923,378 | 241,212 |
| Venezuela | 2 | 1:15,102,038 | 69,873 |
| Finland | 2 | 1:2,748,351 | 72,663 |
| Belgium | 2 | 1:5,748,322 | 130,559 |
| Norway | 1 | 1:5,142,286 | 129,201 |
| Pakistan | 1 | 1:178,643,885 | 213,220 |
| Germany | 1 | 1:80,505,459 | 560,955 |
| Romania | 1 | 1:20,077,870 | 89,414 |
| Puerto Rico | 1 | 1:3,550,139 | 9,109 |
| Philippines | 1 | 1:101,238,223 | 404,861 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 148 | 1:29,932 | 3,032 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| England | 13 | 1:1,875,028 | 58,113 |
| Wales | 4 | 1:392,104 | 12,338 |
| Scotland | 2 | 1:1,871,608 | 27,884 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| United States | 57 | 1:881,030 | 53,642 |
O'Mahoney Surname Meaning
From Where Does The Surname Originate? meaning and history
The O'Mahonys of Desmond are named from Mahon, son of Kian, king of Desmond, who fell at Clontarf in 1014. O'Donovan. "The O'Mahonys were powerful chieftains in Munster, and had extensive estates along the sea-coast of Cork and Kerry. Opposite Horse Island, off the former county, was their castle of Rosbrin, boldly erected on a rock over the sea; and its proprietor, availing himself of the natural advantage it possessed, led a life of such successful piracy that Sir George Carew, when lord president, was obliged to destroy it." D'Alton.
O'MAHONY: The descendant of Mahon, which signifies a bear.
O'Mahoney Demographics
Average O'Mahoney Salary in
United States
$70,079 USD
Per year
Average Salary in
United States
$43,149 USD
Per year
View the highest/lowest earning families in The United States
O'Mahoney Last Name Facts
Where Does The Last Name O'Mahoney Come From? nationality or country of origin
The surname O'Mahoney is more commonly found in England than any other country/territory. It can be found in the variant forms:. Click here for other possible spellings of this name.
How Common Is The Last Name O'Mahoney? popularity and diffusion
The last name O'Mahoney is the 124,133rd most prevalent family name globally, borne by around 1 in 1,983,545 people. O'Mahoney occurs predominantly in Europe, where 84 percent of O'Mahoney are found; 83 percent are found in Northern Europe and 83 percent are found in British Isles.
The surname O'Mahoney is most frequently occurring in England, where it is carried by 1,542 people, or 1 in 36,134. In England O'Mahoney is most prevalent in: Greater London, where 34 percent are found, Greater Manchester, where 6 percent are found and West Midlands, where 6 percent are found. Excluding England this last name occurs in 27 countries. It is also found in Ireland, where 38 percent are found and Australia, where 8 percent are found.
O'Mahoney Family Population Trend historical fluctuation
The prevalency of O'Mahoney has changed through the years. In England the number of people who held the O'Mahoney last name expanded 11,862 percent between 1881 and 2014; in Ireland it expanded 939 percent between 1901 and 2014; in The United States it expanded 421 percent between 1880 and 2014; in Wales it expanded 2,100 percent between 1881 and 2014 and in Scotland it expanded 1,500 percent between 1881 and 2014.
O'Mahoney Last Name Statistics demography
The religious devotion of those bearing the last name is primarily Catholic (97%) in Ireland.
The amount O'Mahoney earn in different countries varies somewhat. In United States they earn 62.41% more than the national average, earning $70,079 USD per year and in Canada they earn 76.31% more than the national average, earning $87,594 CAD per year.
Phonetically Similar Names
Search for Another Surname
O'Mahoney Reference & Research
O'Mahony FamilyTree DNA Group - A group collating DNA test results for those who bear the surname, includes results of DNA tests and discussions.
O'Mahony FamilyTree DNA Project - A description of a group researching the paternal lines of men who bear the surname with the help of DNA analysis.
The name statistics are still in development, sign up for information on more maps and data
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'Mahoney
- 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