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There are approximately 2,475 people named Riordan in the UK. That makes it the 3,810th most common surname overall. Out of every million people in the UK, approximately 39 are named Riordan.

Region of origin

British Isles

Country of origin

Ireland

Language of origin

Gaelic

Religion of origin

Christian

Classification

Celtic


Related and similar surnames

Reardon
Rearden
Riordon
Riordann
Riordane
Riordean
Riordain
Riordans
Riiordan
Riardan
Rieordan
Riordian
Rioradan
Raiordan
Reordan
Reiordan
Riorda
Reierdan
Reeordan
Riordam
Reairdan
Reoardan
Reirdan

The Riordan surname in historical dictionaries

Patronymica Britannica (1860)

RIORDAN. An old Irish siu-name, variously written O'Rierdon, Reyrdon, Reardon, Reardcn, &c.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.

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