# O'Sullivan

> English word · Proper noun · IPA /əʊˈsʌl.ɪv.ən/ · frequency rank #26,530

## Definitions
1. A surname from Irish.

## Etymology
From Irish Ó Súilleabháin.

## Common misspellings (12)
`'osullivan`, `o'slulivan`, `o'ssullivan`, `o'sulilvan`, `o'sulivan`, `o'sulliavn`, `o'sullivann`, `o'sullivna`, `o'sullivvan`, `o'sullvian`, `o'usllivan`, `os'ullivan`

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