Illinois Most Popular Male and Female Baby Names in 2021

Updated on December 5, 2025.

Data Source: Social Security Administration (SSA).

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Illinois Most Popular Male Baby Names in 2021

In 2021, the most popular name for baby boys in Illinois was Noah, with a count of 653 boys out of a total of 53,863 registered names of baby boys (i.e. 1.21% of the total number of new-born baby boys in Illinois in 2021). The second most popular boy name was Liam (615 boys, 1.14% of total). The third most popular boy name was Oliver (586 boys, 1.09% of total).

The table below below shows the top 1000 most popular male baby names in Illinois in 2021. You can click on a name to see the trend of popularity in Illinois over the years.

Illinois Most Popular Female Baby Names in 2021

In 2021, the most popular name for baby girls in Illinois was Olivia, with a count of 698 girls out of a total of 48,365 registered names of baby girls (i.e. 1.44% of the total number of new-born baby girls in Illinois in 2021). The second most popular girl name was Emma (554 girls, 1.15% of total). The third most popular girl name was Sophia (499 girls, 1.03% of total).

The table below below shows the top 1000 most popular female baby names in Illinois in 2021. You can click on a name to see the trend of popularity in Illinois over the years.