O'Riordan Surname
Approximately 8,158 people bear this surname
O'Riordan Surname Definition:
Ó Riordáin This numerous sept belongs exclusively to Munster. IF 257; Map Cork; Plate XXV
O'Riordan Surname Distribution Map
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 5,760 | 1:818 | 146 |
| England | 1,465 | 1:38,033 | 4,947 |
| United States | 311 | 1:1,165,463 | 83,401 |
| Australia | 276 | 1:97,811 | 11,085 |
| Canada | 168 | 1:219,319 | 21,150 |
| Scotland | 61 | 1:87,767 | 6,275 |
| Northern Ireland | 39 | 1:47,309 | 4,079 |
| South Africa | 21 | 1:2,579,891 | 103,459 |
| Zimbabwe | 18 | 1:857,680 | 57,134 |
| New Zealand | 15 | 1:301,888 | 25,890 |
| Wales | 11 | 1:281,321 | 15,850 |
| Belgium | 10 | 1:1,149,664 | 82,403 |
| France | 7 | 1:9,488,960 | 336,266 |
| United Arab Emirates | 6 | 1:1,527,046 | 51,993 |
| China | 5 | 1:273,464,313 | 13,838 |
| Spain | 5 | 1:9,350,407 | 109,555 |
| Germany | 4 | 1:20,126,365 | 436,245 |
| Singapore | 4 | 1:1,376,926 | 28,409 |
| Netherlands | 3 | 1:5,629,059 | 132,535 |
| Sweden | 3 | 1:3,282,252 | 190,759 |
| Switzerland | 3 | 1:2,737,638 | 105,941 |
| Italy | 3 | 1:20,385,563 | 143,117 |
| Russia | 2 | 1:72,061,528 | 727,117 |
| Hong Kong | 2 | 1:3,667,742 | 11,574 |
| Montenegro | 2 | 1:319,782 | 7,691 |
| Israel | 2 | 1:4,278,817 | 136,311 |
| Isle of Man | 1 | 1:85,822 | 4,091 |
| Guernsey | 1 | 1:64,439 | 2,137 |
| Brazil | 1 | 1:214,074,332 | 1,693,628 |
| Cayman Islands | 1 | 1:63,893 | 2,384 |
| Chile | 1 | 1:17,616,474 | 93,597 |
| Colombia | 1 | 1:47,774,072 | 44,230 |
| Trinidad and Tobago | 1 | 1:1,363,975 | 22,013 |
| Malaysia | 1 | 1:29,494,225 | 409,885 |
| Saudi Arabia | 1 | 1:30,855,817 | 63,028 |
| Qatar | 1 | 1:2,357,999 | 76,403 |
| Oman | 1 | 1:3,687,971 | 14,390 |
| Norway | 1 | 1:5,142,286 | 129,201 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| Ireland | 394 | 1:11,243 | 1,561 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| England | 11 | 1:2,215,943 | 64,354 |
| Place | Incidence | Frequency | Rank in Area |
|---|---|---|---|
| United States | 10 | 1:5,021,868 | 210,693 |
O'Riordan (75) may also be a first name.
O'Riordan Surname Meaning
From Where Does The Surname Originate? meaning and history
Ó Riordáin This numerous sept belongs exclusively to Munster. IF 257; Map Cork; Plate XXV
O'Riordan Demographics
Average Male O'Riordan Height
178.35 cm
Sample is predominantly from Anglosphere countries
O'Riordan Last Name Facts
Where Does The Last Name O'Riordan Come From? nationality or country of origin
The last name O'Riordan occurs more in Ireland more than any other country or territory. It may also be rendered as:. For other potential spellings of O'Riordan click here.
How Common Is The Last Name O'Riordan? popularity and diffusion
This surname is the 61,620th most prevalent surname globally It is held by approximately 1 in 893,301 people. The last name occurs mostly in Europe, where 90 percent of O'Riordan reside; 90 percent reside in Northern Europe and 90 percent reside in British Isles. O'Riordan is also the 1,116,575th most numerous first name internationally, held by 75 people.
The last name O'Riordan is most commonly held in Ireland, where it is carried by 5,760 people, or 1 in 818. In Ireland O'Riordan is most prevalent in: Munster, where 75 percent are found, Leinster, where 21 percent are found and Connaught, where 3 percent are found. Aside from Ireland this surname is found in 37 countries. It also occurs in England, where 18 percent are found and The United States, where 4 percent are found.
O'Riordan Family Population Trend historical fluctuation
The frequency of O'Riordan has changed over time. In Ireland the number of people carrying the O'Riordan last name increased 1,462 percent between 1901 and 2014; in England it increased 13,318 percent between 1881 and 2014 and in The United States it increased 3,110 percent between 1880 and 2014.
O'Riordan Last Name Statistics demography
The religious adherence of those bearing the last name is primarily Catholic (100%) in Ireland.
The amount O'Riordan earn in different countries varies greatly. In United States they earn 103.84% more than the national average, earning $87,954 USD per year and in Canada they earn 16.84% more than the national average, earning $58,048 CAD per year.
Phonetically Similar Names
| Surname | Similarity | Worldwide Incidence | Prevalency |
|---|---|---|---|
| O'Riordain | 95 | 114 | / |
| O'Rioordan | 95 | 1 | / |
| O'Reiordan | 95 | 0 | / |
| Oriordan | 94 | 1,059 | / |
| O'Riorden | 89 | 12 | / |
| O'Reordan | 89 | 5 | / |
| O'Riordon | 89 | 4 | / |
| Oriordain | 89 | 2 | / |
| Ooriordan | 89 | 1 | / |
| O'Riardain | 84 | 1 | / |
| O'Rieordon | 84 | 1 | / |
| Oriordon | 82 | 24 | / |
| Oriorden | 82 | 16 | / |
| O'Reorden | 78 | 0 | / |
| O'Reardan | 78 | 0 | / |
| Oriardon | 71 | 1 | / |
| Oreardan | 71 | 1 | / |
| O'Reardon | 67 | 202 | / |
| O'Rearden | 67 | 0 | / |
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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
- 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'Riordan
- 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