Boys name · Pennsylvania
Leo in Pennsylvania
Leo was the 20th most popular boys name in Pennsylvania in 2025, with 330 babies named Leo that year. Since 1910, Pennsylvania families have named 14,604 babies Leo.
Popularity over time
Leo in Pennsylvania, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 59 | 49th |
| 1926 | 303 | 55th |
| 1943 | 106 | 105th |
| 1959 | 91 | 151st |
| 1976 | 21 | 284th |
| 1992 | 21 | 366th |
| 2009 | 70 | 175th |
| 2025 | 330 | 20th |
Its rank among boys names in Pennsylvania climbed from 49th in 1910 to 20th in 2025.
The most babies named Leo in Pennsylvania in a single year was 360, in 1921. Its best showing was 18th among boys names in 2022.
Across the country, Leo reached its best rank of 3rd in District of Columbia (2023). See Leo in every state →
How popular is Leo in Pennsylvania?
Leo was the 20th most popular boys name in Pennsylvania in 2025, with 330 babies named Leo that year. Since 1910, Pennsylvania families have named 14,604 babies Leo.
How many babies are named Leo in Pennsylvania?
In 2025, 330 babies were named Leo in Pennsylvania. The most babies named Leo in Pennsylvania in a single year was 360, in 1921.
What is the rank of Leo in Pennsylvania?
Leo ranked 20th among boys names in Pennsylvania in 2025. Its best showing was 18th among boys names in 2022.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.