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2025 data, released 8 May 2026

Popular baby names in Illinois, 1915

The most popular baby names in Illinois in 1915 were Mary for girls (3,043 babies) and John for boys (3,066). Social Security records list 100,831 babies born in Illinois in 1915 with a name given to at least five children of the same sex in the state.

Names that stood out in Illinois in 1915

Names given at least 15 times in Illinois that year and at least twice as common as in the US as a whole.

Girls

  • Stephanie: 82 babies, 4.2× the national rate
  • Eleanore: 99 babies, 3.2× the national rate
  • Angeline: 143 babies, 2.9× the national rate
  • Bernadine: 56 babies, 2.9× the national rate
  • Adeline: 154 babies, 2.6× the national rate
  • Eileen: 204 babies, 2.5× the national rate
  • Laverne: 76 babies, 2.5× the national rate
  • Lorraine: 173 babies, 2.4× the national rate
  • Sophie: 263 babies, 2.3× the national rate
  • Bernice: 597 babies, 2.2× the national rate

Boys

  • Casimir: 61 babies, 6.1× the national rate
  • Bruno: 87 babies, 4.5× the national rate
  • Thaddeus: 45 babies, 3.2× the national rate
  • Laverne: 39 babies, 3× the national rate
  • Delmar: 33 babies, 2.9× the national rate
  • Anton: 56 babies, 2.8× the national rate
  • Mitchell: 46 babies, 2.5× the national rate
  • Seymour: 39 babies, 2.3× the national rate
  • Aloysius: 24 babies, 2.3× the national rate
  • Darrell: 27 babies, 2.1× the national rate

Top 50 girls' and boys' names in Illinois, 1915

Girls
RankNameBabiesvs 1914US rank
1Mary3,043–1
2Helen2,432–2
3Dorothy1,809–3
4Margaret1,401–4
5Ruth1,365–5
6Mildred1,131–6
7Marie857–11
8Anna853–7
9Florence849↑214
10Virginia849↑212
11Frances830↓19
12Evelyn806↓310
13Lillian689↑215
14Elizabeth669–8
15Rose658↓216
16Eleanor630↑128
17Lucille626↑329
18Alice615–13
19Irene613↓317
20Josephine612↑222
21Bernice597↓242
22Catherine504↓119
23Ann469–43
24Jean434↑148
25Louise419↓118
26Edna395–20
27Esther391↑833
28Grace388–27
29Gladys384↓221
30Anne381↑152
31Gertrude381↓135
32Martha337–25
33Genevieve334–76
34Marjorie334↑239
35Edith333↑231
36Pauline329↑932
37Elsie327↑441
38Marion324↑550
39Hazel322↓526
40Betty310–53
41Lois310↓247
42Ethel305↓1323
43Clara303↓538
44Doris298↑334
45Agnes294new45
46Julia282↓244
47Stella279↓564
48Violet276↓282
49Thelma269new30
50Sophie263–97
Boys
RankNameBabiesvs 1914US rank
1John3,066–1
2William2,190–2
3Robert1,924–4
4Joseph1,624–5
5James1,523↑23
6Edward1,484↓18
7Charles1,433↑17
8George1,359↓26
9Frank1,194–9
10Walter919–11
11Harold844–12
12Raymond764–16
13Paul685–13
14Harry605–19
15Arthur593↑118
16Richard580↑115
17Thomas578↓210
18Henry565↑114
19Stanley538↑134
20Donald537↑320
21Albert536↓317
22Carl474–22
23Kenneth431↑328
24Ralph427–21
25Louis415↓423
26Clarence371↓124
27Fred365↑126
28Howard355↓125
29Eugene332↑541
30Francis322↑929
31Anthony318↓236
32Earl309↑133
33Lawrence303↓337
34Jack294↑327
35Elmer289–45
36Leonard286–44
37Russell280↑151
38Leo275↑447
39Bernard268↑648
40Roy268↓932
41Chester262↑254
42Herbert260↓240
43Edwin245↑753
44Peter240↓349
45Michael231↓1343
46Norman225new50
47Joe211↓138
48Lester209↑157
49David208↓531
50Theodore207new64

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