How Many People Are Named Denis Leary?
There are approximately 1 people named Denis Leary living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Denis with Census Bureau frequency data for the surname Leary. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileDenis
Last Name
View full profileLeary
Denis: Popularity Over Time
Year-by-year SSA birth registrations for the first name Denis. The peak year was 1952 with 625 births. The average person named Denis today is 53 years old.
Ancestry of the Leary Surname
Self-reported race and ethnicity breakdown for people with the surname Leary, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Denis" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Leary" appears at a rate of 5.26 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Denis
Denis Leary: Questions and Answers
How many people are named Denis Leary?
We estimate approximately 1 people named Denis Leary are alive in the United States today. The first name Denis is shared by 15,473 Americans, and the surname Leary is shared by 17,668.
How rare is the name Denis Leary?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Denis is uncommon and the surname Leary is uncommon.
Is Denis a male or female name?
Denis is predominantly male, with 96.0% of bearers being male and 4.0% female. It peaked in popularity in 1952 and the average bearer today is 53 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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