Surname statistics

Oreilly

There are an estimated 12,074 people with the surname Oreilly worldwide.

U.S. rank #2970 - 12,074 bearers (Census 2010).

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About the surname Oreilly

Oreilly is held by approximately 12,074 people worldwide, ranking #2970 globally. In the United States it ranks #2970 (Census 2010) with 12,074 bearers, or roughly 4 per 100,000 people.

Globally, that prevalence works out to about 1 in 662,581 people. Click any country below to see the full distribution map.

Country distribution

United States12k

Frequently asked questions

How many people have the surname Oreilly?

Worldwide there are an estimated 12,074 people with the surname Oreilly, which works out to about 1 in 662,581 people globally.

Where is Oreilly most common?

United States: ~12,074.