Boys name · Illinois
Leon in Illinois
Leon was the 140th most popular boys name in Illinois in 2025, with 85 babies named Leon that year. Since 1910, Illinois families have named 7,320 babies Leon.
Popularity over time
Leon in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 14 | 104th |
| 1926 | 99 | 93rd |
| 1943 | 120 | 99th |
| 1959 | 91 | 175th |
| 1976 | 42 | 247th |
| 1992 | 31 | 369th |
| 2009 | 24 | 477th |
| 2025 | 85 | 140th |
Its rank among boys names in Illinois fell from 104th in 1910 to 140th in 2025.
The most babies named Leon in Illinois in a single year was 127, in 1942. Its best showing was 88th among boys names in 1923.
Across the country, Leon reached its best rank of 28th in District of Columbia (1928). See Leon in every state →
How popular is Leon in Illinois?
Leon was the 140th most popular boys name in Illinois in 2025, with 85 babies named Leon that year. Since 1910, Illinois families have named 7,320 babies Leon.
How many babies are named Leon in Illinois?
In 2025, 85 babies were named Leon in Illinois. The most babies named Leon in Illinois in a single year was 127, in 1942.
What is the rank of Leon in Illinois?
Leon ranked 140th among boys names in Illinois in 2025. Its best showing was 88th among boys names in 1923.
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.