Boys name · Illinois
Thomas in Illinois
Thomas was the 33rd most popular boys name in Illinois in 2025, with 236 babies named Thomas that year. Since 1910, Illinois families have named 134,032 babies Thomas.
Popularity over time
Thomas in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 131 | 13th |
| 1926 | 834 | 13th |
| 1943 | 2,192 | 6th |
| 1959 | 2,624 | 9th |
| 1976 | 934 | 21st |
| 1992 | 774 | 25th |
| 2009 | 321 | 52nd |
| 2025 | 236 | 33rd |
Its rank among boys names in Illinois fell from 13th in 1910 to 33rd in 2025.
The most babies named Thomas in Illinois in a single year was 3,247, in 1952. Its best showing was 6th among boys names in 1943.
Across the country, Thomas reached its best rank of 4th in Hawaii (1912). See Thomas in every state →
How popular is Thomas in Illinois?
Thomas was the 33rd most popular boys name in Illinois in 2025, with 236 babies named Thomas that year. Since 1910, Illinois families have named 134,032 babies Thomas.
How many babies are named Thomas in Illinois?
In 2025, 236 babies were named Thomas in Illinois. The most babies named Thomas in Illinois in a single year was 3,247, in 1952.
What is the rank of Thomas in Illinois?
Thomas ranked 33rd among boys names in Illinois in 2025. Its best showing was 6th among boys names in 1943.
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.