Girls name · Illinois
Lois in Illinois
Lois was the 1536th most popular girls name in Illinois in 2025, with 5 babies named Lois that year. Since 1910, Illinois families have named 19,976 babies Lois.
Popularity over time
Lois in Illinois, year by year
| Year | Babies | State rank |
|---|---|---|
| 1910 | 64 | 73rd |
| 1923 | 598 | 20th |
| 1935 | 519 | 18th |
| 1948 | 240 | 78th |
| 1961 | 103 | 197th |
| 1974 | 10 | 755th |
| 1989 | 6 | 1301st |
| 2025 | 5 | 1536th |
Its rank among girls names in Illinois fell from 73rd in 1910 to 1536th in 2025.
The most babies named Lois in Illinois in a single year was 865, in 1927. Its best showing was 11th among girls names in 1927.
Across the country, Lois reached its best rank of 5th in Minnesota (1928). See Lois in every state →
How popular is Lois in Illinois?
Lois was the 1536th most popular girls name in Illinois in 2025, with 5 babies named Lois that year. Since 1910, Illinois families have named 19,976 babies Lois.
How many babies are named Lois in Illinois?
In 2025, 5 babies were named Lois in Illinois. The most babies named Lois in Illinois in a single year was 865, in 1927.
What is the rank of Lois in Illinois?
Lois ranked 1536th among girls names in Illinois in 2025. Its best showing was 11th among girls names in 1927.
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.