Boys name · Pennsylvania
Louis in Pennsylvania
Louis was the 207th most popular boys name in Pennsylvania in 2025, with 61 babies named Louis that year. Since 1910, Pennsylvania families have named 31,373 babies Louis.
Popularity over time
Louis in Pennsylvania, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 129 | 21st |
| 1926 | 637 | 29th |
| 1943 | 467 | 37th |
| 1959 | 331 | 67th |
| 1976 | 120 | 93rd |
| 1992 | 94 | 123rd |
| 2009 | 31 | 316th |
| 2025 | 61 | 207th |
Its rank among boys names in Pennsylvania fell from 21st in 1910 to 207th in 2025.
The most babies named Louis in Pennsylvania in a single year was 735, in 1921. Its best showing was 21st 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 Pennsylvania?
Louis was the 207th most popular boys name in Pennsylvania in 2025, with 61 babies named Louis that year. Since 1910, Pennsylvania families have named 31,373 babies Louis.
How many babies are named Louis in Pennsylvania?
In 2025, 61 babies were named Louis in Pennsylvania. The most babies named Louis in Pennsylvania in a single year was 735, in 1921.
What is the rank of Louis in Pennsylvania?
Louis ranked 207th among boys names in Pennsylvania in 2025. Its best showing was 21st 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.