Girls name · Illinois
Katelyn in Illinois
Katelyn was the 1072nd most popular girls name in Illinois in 2025, with 8 babies named Katelyn that year. Since 1980, Illinois families have named 5,308 babies Katelyn.
Popularity over time
Katelyn in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1980 | 9 | 907th |
| 1987 | 122 | 105th |
| 1994 | 235 | 66th |
| 2000 | 221 | 64th |
| 2006 | 193 | 75th |
| 2012 | 88 | 146th |
| 2019 | 25 | 468th |
| 2025 | 8 | 1072nd |
Its rank among girls names in Illinois fell from 907th in 1980 to 1072nd in 2025.
The most babies named Katelyn in Illinois in a single year was 239, in 1993. Its best showing was 64th among girls names in 2000.
Across the country, Katelyn reached its best rank of 18th in Alaska (2002). See Katelyn in every state →
How popular is Katelyn in Illinois?
Katelyn was the 1072nd most popular girls name in Illinois in 2025, with 8 babies named Katelyn that year. Since 1980, Illinois families have named 5,308 babies Katelyn.
How many babies are named Katelyn in Illinois?
In 2025, 8 babies were named Katelyn in Illinois. The most babies named Katelyn in Illinois in a single year was 239, in 1993.
What is the rank of Katelyn in Illinois?
Katelyn ranked 1072nd among girls names in Illinois in 2025. Its best showing was 64th among girls names in 2000.
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.