Boys name · Massachusetts
Leo in Massachusetts
Leo was the 14th most popular boys name in Massachusetts in 2025, with 223 babies named Leo that year. Since 1910, Massachusetts families have named 13,007 babies Leo.
Popularity over time
Leo in Massachusetts, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 48 | 23rd |
| 1926 | 292 | 26th |
| 1943 | 155 | 47th |
| 1959 | 97 | 72nd |
| 1976 | 11 | 250th |
| 1992 | 23 | 202nd |
| 2009 | 62 | 111th |
| 2025 | 223 | 14th |
Its rank among boys names in Massachusetts climbed from 23rd in 1910 to 14th in 2025.
The most babies named Leo in Massachusetts in a single year was 329, in 1923. Its best showing was 12th among boys names in 2023.
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 Massachusetts?
Leo was the 14th most popular boys name in Massachusetts in 2025, with 223 babies named Leo that year. Since 1910, Massachusetts families have named 13,007 babies Leo.
How many babies are named Leo in Massachusetts?
In 2025, 223 babies were named Leo in Massachusetts. The most babies named Leo in Massachusetts in a single year was 329, in 1923.
What is the rank of Leo in Massachusetts?
Leo ranked 14th among boys names in Massachusetts in 2025. Its best showing was 12th among boys names in 2023.
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.