Girls name · Illinois
Erin in Illinois
Erin was the 721st most popular girls name in Illinois in 2025, with 13 babies named Erin that year. Since 1946, Illinois families have named 16,420 babies Erin.
Popularity over time
Erin in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1946 | 7 | 622nd |
| 1961 | 61 | 254th |
| 1971 | 205 | 95th |
| 1982 | 778 | 12th |
| 1993 | 324 | 42nd |
| 2004 | 147 | 99th |
| 2014 | 43 | 299th |
| 2025 | 13 | 721st |
Its rank among girls names in Illinois fell from 622nd in 1946 to 721st in 2025.
The most babies named Erin in Illinois in a single year was 778, in 1982. Its best showing was 12th among girls names in 1982.
Across the country, Erin reached its best rank of 6th in Vermont (1982). See Erin in every state →
How popular is Erin in Illinois?
Erin was the 721st most popular girls name in Illinois in 2025, with 13 babies named Erin that year. Since 1946, Illinois families have named 16,420 babies Erin.
How many babies are named Erin in Illinois?
In 2025, 13 babies were named Erin in Illinois. The most babies named Erin in Illinois in a single year was 778, in 1982.
What is the rank of Erin in Illinois?
Erin ranked 721st among girls names in Illinois in 2025. Its best showing was 12th among girls names in 1982.
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.