Boys name · Illinois
Sebastian in Illinois
In 2025, 360 babies born in Illinois were named Sebastian, making it the #10 most popular boys name that year. Years with 5 or more births, starting in 1915, add up to 9,476.
Popularity over time
Sebastian in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1915 | 5 | #545 |
| 1963 | 5 | #795 |
| 1976 | 6 | #845 |
| 1986 | 15 | #495 |
| 1995 | 71 | #202 |
| 2005 | 252 | #77 |
| 2015 | 435 | #22 |
| 2025 | 360 | #10 |
Illinois had the most Sebastian births in 2016, with 454. Its highest rank in Illinois came in 2022, at #10.
Its rank among boys names in Illinois ran from #10 in 2022 to #963 in 1977, starting at #545 in 1915 and ending at #10 in 2025.
California gave Sebastian its highest national rank, #2, in 2017. See Sebastian in every state →
How popular is Sebastian in Illinois?
In 2025, 360 babies born in Illinois were named Sebastian, making it the #10 most popular boys name that year. Years with 5 or more births, starting in 1915, add up to 9,476.
How many babies are named Sebastian in Illinois?
In 2025, 360 babies born in Illinois were named Sebastian.
What is the rank of Sebastian in Illinois?
Sebastian's 2025 rank among boys names in Illinois was #10.
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.
The same name elsewhere