# Brennan

> English word · Proper noun · frequency rank #12,013

## Definitions
1. A surname from Irish.
2. A male given name transferred from the surname, of mostly American usage.
3. A male given name, variant of Brendan.

## Etymology
From Irish Ó Braonáin (“descendant of Braonán”), a diminutive of braon (“moisture, drop”). Alternatively, from Irish Ó Branáin (“descendant of Branán”), a diminutive of bran (“raven”).

## Easily confused with
- **Brenner** (https://plainspell.com/en/vs/brennan-vs-brenner)
- **Brenda** (https://plainspell.com/en/vs/brenda-vs-brennan)
- **Brendan** (https://plainspell.com/en/vs/brendan-vs-brennan)

## Common misspellings (9)
`bbrennan`, `bernnan`, `brenan`, `brenann`, `brennann`, `brennna`, `brnenan`, `brrennan`, `rbennan`

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