Surname statistics

Brennan

There are an estimated 49,238 people with the surname Brennan worldwide.

U.S. rank #701 - 49,238 bearers (Census 2010).

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About the surname Brennan

Brennan is held by approximately 49,238 people worldwide, ranking #701 globally. In the United States it ranks #701 (Census 2010) with 49,238 bearers, or roughly 17 per 100,000 people.

Globally, that prevalence works out to about 1 in 162,476 people. Click any country below to see the full distribution map.

Country distribution

United States49k

Frequently asked questions

How many people have the surname Brennan?

Worldwide there are an estimated 49,238 people with the surname Brennan, which works out to about 1 in 162,476 people globally.

Where is Brennan most common?

United States: ~49,238.