Girls name · Illinois
Sydney in Illinois
Sydney was the 382nd most popular girls name in Illinois in 2025, with 28 babies named Sydney that year. Since 1938, Illinois families have named 7,490 babies Sydney.
Popularity over time
Sydney in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1938 | 5 | 674th |
| 1951 | 9 | 625th |
| 1976 | 5 | 1357th |
| 1988 | 30 | 374th |
| 1997 | 344 | 42nd |
| 2006 | 282 | 36th |
| 2016 | 104 | 122nd |
| 2025 | 28 | 382nd |
Its rank among girls names in Illinois climbed from 674th in 1938 to 382nd in 2025.
The most babies named Sydney in Illinois in a single year was 470, in 1999. Its best showing was 23rd among girls names in 1999.
Across the country, Sydney reached its best rank of 7th in South Dakota (2001). See Sydney in every state →
How popular is Sydney in Illinois?
Sydney was the 382nd most popular girls name in Illinois in 2025, with 28 babies named Sydney that year. Since 1938, Illinois families have named 7,490 babies Sydney.
How many babies are named Sydney in Illinois?
In 2025, 28 babies were named Sydney in Illinois. The most babies named Sydney in Illinois in a single year was 470, in 1999.
What is the rank of Sydney in Illinois?
Sydney ranked 382nd among girls names in Illinois in 2025. Its best showing was 23rd among girls names in 1999.
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.