Home / Name Directory / Leo
How Many People Are Named Leo?
Estimated people named Leo living in the U.S. today
142,758
Gender distribution
100% male · 0% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 253,873
- Peak year: 2022 (8,322 births)
- Estimated living today: 142,758
Leo by age group — who carries the name today?
Leo popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Leo
Leo has been recorded by the Social Security Administration since the 19th century dataset began. In total, 253,873 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 142,758 bearers are still living — roughly 1 in 2,394 Americans. The name's strongest decade shapes how old most Leos you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Leo in the US?
An estimated 142,758 people named Leo are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Leo uncommon — about 1 in 2,394 Americans.
Is Leo a boy or girl name?
In SSA records, Leo is 100% male and 0% female, so it is predominantly a male name.
When was Leo most popular?
Leo peaked in 2022, when 8,322 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Leo?
Leo ranks #373 of 104,819 first names recorded by the SSA, with a rarity score of 40 out of 100 (higher means rarer).