O'Mahony Surname
Approximately 13,286 people bear this surname
O'Mahony Surname Definition:
(Celtic) the Irish O’Mathghamhna = Descendant of Mathghamhuin, i.e. the Bear.
O'Mahony Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 9,860 | 1:478 | 72 |
| England | 2,060 | 1:27,048 | 3,687 |
| Australia | 491 | 1:54,981 | 6,742 |
| United States | 318 | 1:1,139,808 | 81,930 |
| France | 129 | 1:514,905 | 71,423 |
| Canada | 124 | 1:297,142 | 27,584 |
| Scotland | 67 | 1:79,908 | 5,892 |
| Wales | 63 | 1:49,120 | 4,600 |
| New Zealand | 58 | 1:78,075 | 11,384 |
| Northern Ireland | 28 | 1:65,894 | 4,901 |
| Spain | 25 | 1:1,870,081 | 51,392 |
| Netherlands | 19 | 1:888,799 | 62,169 |
| Singapore | 17 | 1:323,983 | 13,856 |
| Switzerland | 15 | 1:547,528 | 38,365 |
| South Africa | 14 | 1:3,869,836 | 127,494 |
| United Arab Emirates | 11 | 1:832,934 | 27,512 |
| Sweden | 10 | 1:984,676 | 73,605 |
| Qatar | 9 | 1:262,000 | 30,726 |
| Isle of Man | 8 | 1:10,728 | 2,153 |
| Germany | 7 | 1:11,500,780 | 305,602 |
| Poland | 4 | 1:9,502,187 | 181,606 |
| Belgium | 4 | 1:2,874,161 | 111,046 |
| Cyprus | 3 | 1:294,959 | 8,690 |
| Thailand | 3 | 1:23,546,115 | 908,588 |
| Austria | 3 | 1:2,838,478 | 93,604 |
| Turkey | 2 | 1:38,910,711 | 171,901 |
| Russia | 2 | 1:72,061,528 | 727,117 |
| China | 2 | 1:683,660,783 | 30,601 |
| Philippines | 2 | 1:50,619,112 | 341,003 |
| Norway | 2 | 1:2,571,143 | 95,402 |
| Denmark | 2 | 1:2,822,358 | 76,882 |
| Malaysia | 2 | 1:14,747,112 | 316,340 |
| Dominica | 2 | 1:37,946 | 685 |
| Cayman Islands | 2 | 1:31,946 | 1,715 |
| Japan | 2 | 1:63,922,146 | 62,827 |
| Brazil | 2 | 1:107,037,166 | 1,031,150 |
| Hong Kong | 2 | 1:3,667,742 | 11,574 |
| Indonesia | 1 | 1:132,249,194 | 811,426 |
| Afghanistan | 1 | 1:32,153,183 | 60,828 |
| Azerbaijan | 1 | 1:9,649,122 | 47,873 |
| Bahrain | 1 | 1:1,348,608 | 10,432 |
| Gibraltar | 1 | 1:33,954 | 1,660 |
| Guernsey | 1 | 1:64,439 | 2,137 |
| Tanzania | 1 | 1:52,941,613 | 123,716 |
| Taiwan | 1 | 1:23,444,746 | 93,622 |
| Bosnia and Herzegovina | 1 | 1:3,536,402 | 19,532 |
| Iraq | 1 | 1:35,021,654 | 31,813 |
| Italy | 1 | 1:61,156,688 | 199,583 |
| Slovakia | 1 | 1:5,336,450 | 140,422 |
| Serbia | 1 | 1:7,144,948 | 38,459 |
| Jersey | 1 | 1:99,202 | 6,620 |
| Luxembourg | 1 | 1:580,542 | 15,155 |
| Romania | 1 | 1:20,077,870 | 89,414 |
| Macau | 1 | 1:601,630 | 1,582 |
| Mexico | 1 | 1:124,126,205 | 103,776 |
| Papua New Guinea | 1 | 1:8,153,717 | 181,784 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 1,289 | 1:3,437 | 628 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| England | 24 | 1:1,015,640 | 40,589 |
| Wales | 2 | 1:784,208 | 16,349 |
| Scotland | 1 | 1:3,743,216 | 32,299 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| United States | 84 | 1:597,841 | 40,179 |
O'Mahony Surname Meaning
From Where Does The Surname Originate? meaning and history
(Celtic) the Irish O’Mathghamhna = Descendant of Mathghamhuin, i.e. the Bear.
Ó Mathghamhna A well known sept of west Munster where people of the name are still mainly found. Bibl; IF 218; Map Cork; Plate XX
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'Mahony Demographics
Average O'Mahony Salary in
United States
$96,938 USD
Per year
Average Salary in
United States
$43,149 USD
Per year
View the highest/lowest earning families in The United States
O'Mahony Last Name Facts
Where Does The Last Name O'Mahony Come From? nationality or country of origin
O'Mahony is found in Ireland more than any other country/territory. It can appear as:. Click here for other possible spellings of O'Mahony.
How Common Is The Last Name O'Mahony? popularity and diffusion
The surname is the 39,511th most frequently occurring surname on earth, held by around 1 in 548,513 people. This last name occurs predominantly in Europe, where 93 percent of O'Mahony reside; 91 percent reside in Northern Europe and 91 percent reside in British Isles.
The surname is most frequently held in Ireland, where it is borne by 9,860 people, or 1 in 478. In Ireland O'Mahony is mostly concentrated in: Munster, where 80 percent reside, Leinster, where 18 percent reside and Connaught, where 2 percent reside. Other than Ireland it exists in 55 countries. It is also found in England, where 16 percent reside and Australia, where 4 percent reside.
O'Mahony Family Population Trend historical fluctuation
The occurrence of O'Mahony has changed over time. In Ireland the number of people carrying the O'Mahony last name expanded 765 percent between 1901 and 2014; in England it expanded 8,583 percent between 1881 and 2014; in The United States it expanded 379 percent between 1880 and 2014; in Scotland it expanded 6,700 percent between 1881 and 2014 and in Wales it expanded 3,150 percent between 1881 and 2014.
O'Mahony Last Name Statistics demography
The religious adherence of those holding the last name is chiefly Catholic (99%) in Ireland.
The amount O'Mahony earn in different countries varies greatly. In United States they earn 124.66% more than the national average, earning $96,938 USD per year and in Canada they earn 27.74% more than the national average, earning $63,465 CAD per year.
Phonetically Similar Names
Search for Another Surname
O'Mahony 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'Mahony
- 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