Boys name · Illinois
Louis in Illinois
In SSA data for Illinois, 20,497 babies are named Louis across years with 5 or more births, starting in 1910. In the latest year, 2025, it ranked as the #233 most popular boys name, with 51 born.
Popularity over time
Louis in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 95 | #20 |
| 1926 | 372 | #30 |
| 1943 | 265 | #52 |
| 1959 | 241 | #89 |
| 1976 | 109 | #122 |
| 1992 | 73 | #205 |
| 2009 | 40 | #320 |
| 2025 | 51 | #233 |
Louis had its most births in Illinois in 1921, when 457 babies were given the name. Louis's highest rank in Illinois was #20, set in 1910.
Its rank among boys names in Illinois ran from #20 in 1910 to #362 in 2008, starting at #20 in 1910 and ending at #233 in 2025.
Nationally, Louis's strongest state was Wyoming, where it hit #7 in 1911. See Louis in every state →
How popular is Louis in Illinois?
In SSA data for Illinois, 20,497 babies are named Louis across years with 5 or more births, starting in 1910. In the latest year, 2025, it ranked as the #233 most popular boys name, with 51 born.
How many babies are named Louis in Illinois?
Illinois recorded 51 births of babies named Louis in 2025.
What is the rank of Louis in Illinois?
Louis ranked #233 among boys names in Illinois in 2025.
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.