# Drennan

> English word · Proper noun · frequency rank #91,446

## Definitions
1. A surname from Irish.

## Etymology
Reduced Anglicized form of Irish Ó Draighnáin (“descendant of Draighneán”), a byname from draighneán (“blackthorn”).

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