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Baby names in Montana in the 1940s

In Montana in the 1940s the most given names were Robert (3,050 boys) and Linda (2,230 girls), of 100,093 births recorded.

Babies SSA recorded in Montana each year, the 1940s shaded
Montana births by year and sex2k4k6k8k10k19101930195019701990201020251940-1949BoysGirls
Montana births by year and sex2k4k6k8k10k19101930195019701990201020251940-1949BoysGirls
Montana births by year and sex2k4k6k8k10k19101930195019701990201020251940-1949BoysGirls
Montana births by year and sex2k4k6k8k10k19101950199020251940-1949BoysGirls

Births under names given to 5 or more babies of one sex in the state that year.

Montana, 1940-1949: SSA state baby-name file, published May 8, 2026. SSA’s state data.

The top names in Montana, 1940s

Girls, 1940-1949
#NameBirths
1Linda2,230
2Mary2,083
3Sharon1,632
4Carol1,444
5Patricia1,392
6Barbara1,284
7Sandra1,081
8Karen1,058
9Judy1,055
10Donna983
11Susan839
12Nancy835
13Judith761
14Betty686
15Shirley683
16Margaret665
17Bonnie641
18Kathleen569
19Marilyn550
20Diane547
Boys, 1940-1949
#NameBirths
1Robert3,050
2James2,774
3John2,736
4William2,035
5Richard2,025
6David1,685
7Gary1,655
8Larry1,266
9Ronald1,254
10Michael1,240
11Donald1,207
12Thomas1,183
13Charles1,044
14Kenneth977
15Dennis972
16Jerry758
17George680
18Daniel565
19Edward562
20Douglas560

Births summed over 1940-1949, per sex.

The names most over-represented in Montana in the 1940s

Each figure is the name’s births in the state in the decade against the births its national share, year by year, would predict (names with at least 100 births in the state).

Girls

Boys

Ratios: observed over predicted births, 1940-1949.

More about names in Montana

  1. The 1940s across the U.S.The most given names of the decade nationally.
  2. Montana: 2025 and every year since 1910The state’s top names now and its number ones by year.
  3. Montana in the 1950sThe next decade in the state.
  4. The top names of 1940The first year of the decade, nationally.
  5. Every state’s most given namesEach state since 1910.
  6. Look up any nameIts rank, births since 1880 and the people alive with it.

Back to Montana: 2025 and every year since 1910