NameTrends

Most popular baby names in Illinois (2025)

Midwest · top 25 boys & girls · SSA state data

In 2025, the most popular baby name in Illinois was Olivia for girls (501 babies) and Liam for boys (690 babies), per the U.S. Social Security Administration's state data. Both match the national #1 names. The full top 25 for each sex, with birth counts, is below.

Source: SSA state-specific baby-name data. Data as of SSA national data through 2025, state data through 2025, retrieved June 2026.

Top 25 girl names in Illinois, 2025

#NameBabies
1Olivia501
2Charlotte500
3Sophia473
4Emma458
5Mia412
6Amelia405
7Sofia343
8Isabella338
9Camila298
10Evelyn296
11Eliana281
12Violet273
13Eleanor268
14Nora260
15Penelope255
16Ailany242
17Ava240
18Chloe217
19Gianna216
20Elizabeth215
21Emilia214
22Lily214
23Grace210
24Harper210
25Aria206

Source: SSA state-specific baby-name data. Data as of SSA national data through 2025, state data through 2025, retrieved June 2026.

Top 25 boy names in Illinois, 2025

#NameBabies
1Liam690
2Noah683
3Oliver541
4Theodore537
5Henry462
6Mateo417
7James406
8Leo385
9Benjamin365
10Sebastian360
11Santiago356
12Lucas340
13Jack335
14William334
15Michael329
16Julian314
17Luca302
18Elijah296
19Elias293
20Owen289
21Daniel284
22John279
23Alexander261
24Joseph261
25Bennett259

Source: SSA state-specific baby-name data. Data as of SSA national data through 2025, state data through 2025, retrieved June 2026.

Frequently asked questions

What is the most popular baby name in Illinois?

In 2025, the most popular baby name in Illinois was Olivia for girls (501 babies) and Liam for boys (690 babies), according to SSA state data. The top five girls were Olivia, Charlotte, Sophia, Emma, Mia; the top five boys were Liam, Noah, Oliver, Theodore, Henry.

Do Illinois's top names match the national list?

In 2025, Illinois's #1 girl name was Olivia (national #1: Olivia) and its #1 boy name was Liam (national #1: Liam). Both match the national leaders.

Keep exploring

Source

SSA state-specific baby-name data, Illinois data for 2025. SSA national data through 2025, state data through 2025, retrieved June 2026. Public domain (U.S. Government). See our methodology.

Last updated: 2026-06-22