Girls name · Illinois
Cassidy in Illinois
Cassidy was the 677th most popular girls name in Illinois in 2025, with 14 babies named Cassidy that year. Since 1975, Illinois families have named 2,242 babies Cassidy.
Popularity over time
Cassidy in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1975 | 6 | 1051st |
| 1986 | 16 | 565th |
| 1993 | 50 | 260th |
| 1999 | 136 | 115th |
| 2006 | 61 | 233rd |
| 2012 | 32 | 378th |
| 2019 | 28 | 415th |
| 2025 | 14 | 677th |
Its rank among girls names in Illinois climbed from 1051st in 1975 to 677th in 2025.
The most babies named Cassidy in Illinois in a single year was 136, in 1999. Its best showing was 115th among girls names in 1999.
Across the country, Cassidy reached its best rank of 31st in Maine (1999). See Cassidy in every state →
How popular is Cassidy in Illinois?
Cassidy was the 677th most popular girls name in Illinois in 2025, with 14 babies named Cassidy that year. Since 1975, Illinois families have named 2,242 babies Cassidy.
How many babies are named Cassidy in Illinois?
In 2025, 14 babies were named Cassidy in Illinois. The most babies named Cassidy in Illinois in a single year was 136, in 1999.
What is the rank of Cassidy in Illinois?
Cassidy ranked 677th among girls names in Illinois in 2025. Its best showing was 115th 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.
The same name elsewhere