At a Glance: Name: Brennus – Meaning: possibly 'crow' (uncertain) – Origin: Celtic (Gaulish) – Gender: Boy – Pronunciation: BREN-əs
Brennus is a Celtic (Gaulish) boy's name meaning “possibly 'crow' (uncertain)”. It appears in 4 of our baby name lists.
Meaning & Origin of Brennus
Meaning: Possibly 'crow' (uncertain).
Origin: Celtic (Gaulish).
A common claim: Brennus means "raven" Actually: Wiktionary's tentative root for Brennus means 'crow,' not specifically 'raven' -- and even that is uncertain.
Source: Wiktionary.
How to Pronounce Brennus
Phonetic: BREN-əs IPA: /ˈbɹɛnəs/
Popularity of Brennus
Brennus doesn’t appear in U.S. Social Security birth records, which include every name given to at least five babies in a year — so it’s rare in the U.S.
Lists That Include Brennus
- 200+ Rare Baby Names for Boys You’ll Absolutely Love 2026
- 200+ Celtic Baby Boy Names With a Mystical Edge
- Baby Names That Mean Brave or Courageous
- 175+ Modern Baby Boy Names with Meanings – 2026
Similar Names
Caelan · Colm · Titus · Cormac · Anselm · Alasdair
