Name meaning & stats
Brennan
Brennan means “little raven (debated)”. 35,482 US babies since 1940, peak 2009.
What it means
“little raven (debated)”
Debated
In US birth records
Peak year: 2009
35,482 US babies were named Brennan between 1940 and 2025.
Careers
Not enough notable people named Brennan (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Spelling family
The most common spelling: 69% of the family
Names that sound the same, grouped by Heyotag. Share of US babies since 1940.
Name twins (peaked around 2009)