Most popular baby names in Illinois — 2025

In 2025, the most popular baby names in Illinois were Olivia, Charlotte, and Sophia for girls and Liam, Noah, and Oliver for boys. Some names are far more common here than nationwide: Adam is 2.0x more common in Illinois than nationally, and Maeve is 1.9x more common in Illinois than nationally. See which names rose and fell the most below, or open the full top 100 lists.

Most distinctive baby names in Illinois

Girls

Most distinctive Camila 1.6x more common ▲10 #9 vs US #19
Also more common
Sofia 1.5x more common ▲2 #7 vs US #9 Sophia 1.4x more common ▲2 #3 vs US #5 Charlotte 1.4x more common ▲0 #2 vs US #2 Mia 1.3x more common ▲1 #5 vs US #6
Less common
No distinctive less-common names in the top 10

Boys

Most distinctive Leo 1.6x more common ▲11 #8 vs US #19
Also more common
Sebastian 1.4x more common ▲6 #10 vs US #16 Theodore 1.4x more common ▲0 #4 vs US #4 Henry 1.3x more common ▲0 #5 vs US #5 Mateo 1.3x more common ▲2 #6 vs US #8
Less common
Elijah 1.1x less common ▼11 #18 vs US #7

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