# O'Riordan

> English word · Proper noun · frequency rank #99,642

## Definitions
1. A surname from Irish.

## Etymology
Borrowed from Irish Ó Ríoghbhárdáin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/o-riordan