Riordon Surname

542,091st
Most Common
surname in the World

Approximately 592 people bear this surname

Most prevalent in:
United States
Highest density in:
Canada

Riordon Surname

The meaning of this surname is not listed.

Riordon Surname Distribution Map

PlaceIncidenceFrequencyRank in Area
United States2571:1,410,34697,237
Canada2231:165,22716,632
Australia801:337,44628,659
Ireland161:294,30910,207
England131:4,286,005132,302
Northern Ireland11:1,845,03620,648
Ecuador11:15,905,84650,210
Thailand11:70,638,3451,175,915
PlaceIncidenceFrequencyRank in Area
Ireland741:59,8634,718
PlaceIncidenceFrequencyRank in Area
England311:786,30235,304
Wales11:1,568,41619,290
Guernsey11:32,6562,283
PlaceIncidenceFrequencyRank in Area
United States1991:252,35520,860

Riordon (18) may also be a first name.

Riordon Last Name Facts

Where Does The Last Name Riordon Come From? nationality or country of origin

Riordon occurs more in The United States more than any other country or territory. It may also occur in the variant forms:. Click here for further possible spellings of this name.

How Common Is The Last Name Riordon? popularity and diffusion

It is the 542,091st most frequent last name at a global level, borne by approximately 1 in 12,310,044 people. The surname is predominantly found in The Americas, where 81 percent of Riordon live; 81 percent live in North America and 77 percent live in Anglo-North America. It is also the 2,608,198th most widely held first name internationally, borne by 18 people.

It is most prevalent in The United States, where it is borne by 257 people, or 1 in 1,410,346. In The United States it is mostly concentrated in: Massachusetts, where 18 percent are found, Maryland, where 13 percent are found and Texas, where 9 percent are found. Barring The United States this last name exists in 7 countries. It is also found in Canada, where 38 percent are found and Australia, where 14 percent are found.

Riordon Family Population Trend historical fluctuation

The incidence of Riordon has changed over time. In The United States the number of people carrying the Riordon surname grew 129 percent between 1880 and 2014; in Ireland it fell 78 percent between 1901 and 2014 and in England it fell 58 percent between 1881 and 2014.

Riordon Last Name Statistics demography

The religious devotion of those carrying the Riordon last name is primarily Catholic (99%) in Ireland.

In The United States those holding the Riordon surname are 7.92% more likely to be registered with the Republican Party than the national average, with 54.69% being registered to vote for the political party.

The amount Riordon earn in different countries varies marginally. In United States they earn 16.81% more than the national average, earning $50,404 USD per year and in Canada they earn 17.5% more than the national average, earning $58,377 CAD per year.

Phonetically Similar Names

SurnameSimilarityWorldwide IncidencePrevalency
Reiordon930/
Rirdon922/
Riordan8619,595/
Rairdon86414/
Reirdon8657/
Rierdon8614/
Riardon868/
Rgirdon861/
Reordon860/
Reiordan8031/
Riorddan801/
Raiordan800/
Rieordan800/
Rairedon800/
Riordane800/
Rerdon779/
Rirdan777/
Reardon7131,566/
Rairdan71107/
Reordan7166/
Rierdan7123/
Roirdan716/
Riardan715/
Reerdon712/
Riordam712/
Rjordan712/
Riordanová711/
Reirdan711/
Resrdon711/
Reurdon710/
Rerrdon710/
Rherdon710/
Ryordan710/
Rehrdon710/
Riardant674/
Rearedon670/
Rheardon670/
Reardond670/
Rearrdon670/
Reardone670/
Reaordan670/

Search for Another Surname

Riordon Reference & Research

O’Riordan FamilyTree DNA Group - A group collating DNA test results for those who bear the surname, includes results of DNA tests and discussions.

O’Riordan FamilyTree DNA Project - A description of a group researching the paternal lines of men who bear the surname with the help of DNA analysis.

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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 Riordon
  • To find out more about this surname's family history, lookup records on Family​Search, My​Heritage, FindMyPast and Ancestry. Further information may be obtained by DNA analysis