Masculine dossier · first seen 1916

Brennan

Name: SSA baby-name counts for Brennan
Creator: Social Security Administration

Stable Decline Gradual decline from 2009

Peak era

2009

Peak rank proxy

1,464

Current vitality

Fragile

Generation

Gen Z

1916Peak 20092024

Peak year

2009

Decline from peak

85.9%

2024

207

All-time

33,032

Brennan is past its period of maximum cultural dominance, but it has not disappeared. Unlike names that burn out quickly, it still carries enough usage to remain cross-generational rather than purely nostalgic.

Your name peaked in 2009, when 1,464 boys were named Brennan.

In 2024, only 207 boys were given the name.

Down 85.9% from its peak.

All told, about 33,032 Americans have been named Brennan and recorded by the Social Security Administration since 1916.

Rarity scoreVery uncommon

AssociationGen Z

StabilityEra-bound, still legible

TrajectoryGradual decline from 2009

20091,464 boys named Brennan

2024207 boys named Brennan

Curious about the history of Brennan? Browse books about the name Brennan on Amazon.