Boys name · Illinois
Louis in Illinois
Louis was the 233rd most popular boys name in Illinois in 2025, with 51 babies named Louis that year. Since 1910, Illinois families have named 20,497 babies Louis.
Popularity over time
Louis in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 95 | 20th |
| 1926 | 372 | 30th |
| 1943 | 265 | 52nd |
| 1959 | 241 | 89th |
| 1976 | 109 | 122nd |
| 1992 | 73 | 205th |
| 2009 | 40 | 320th |
| 2025 | 51 | 233rd |
Its rank among boys names in Illinois fell from 20th in 1910 to 233rd in 2025.
The most babies named Louis in Illinois in a single year was 457, in 1921. Its best showing was 20th among boys names in 1910.
Across the country, Louis reached its best rank of 7th in Wyoming (1911). See Louis in every state →
How popular is Louis in Illinois?
Louis was the 233rd most popular boys name in Illinois in 2025, with 51 babies named Louis that year. Since 1910, Illinois families have named 20,497 babies Louis.
How many babies are named Louis in Illinois?
In 2025, 51 babies were named Louis in Illinois. The most babies named Louis in Illinois in a single year was 457, in 1921.
What is the rank of Louis in Illinois?
Louis ranked 233rd among boys names in Illinois in 2025. Its best showing was 20th among boys names in 1910.
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.