Surname statistics

Hennessy

There are an estimated 9,338 people with the surname Hennessy worldwide.

U.S. rank #3790 - 9,338 bearers (Census 2010).

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About the surname Hennessy

Hennessy is held by approximately 9,338 people worldwide, ranking #3790 globally. In the United States it ranks #3790 (Census 2010) with 9,338 bearers, or roughly 3 per 100,000 people.

Globally, that prevalence works out to about 1 in 856,714 people. Click any country below to see the full distribution map.

Country distribution

United States9,338

Frequently asked questions

How many people have the surname Hennessy?

Worldwide there are an estimated 9,338 people with the surname Hennessy, which works out to about 1 in 856,714 people globally.

Where is Hennessy most common?

United States: ~9,338.