Popular baby names in Colorado, 1940

The most popular baby names in Colorado in 1940 were Mary for girls (486 babies) and Robert for boys (561). Robert ranked #2 nationally for boys. Social Security records list 18,906 babies born in Colorado in 1940 with a name given to at least five children of the same sex in the state.

Names that stood out in Colorado in 1940

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

Girls

Lila: 18 babies, 4.3× the national rate
Viola: 29 babies, 3.8× the national rate
Myrna: 37 babies, 3.2× the national rate
Lydia: 18 babies, 3.1× the national rate
Esther: 46 babies, 3× the national rate
Pat: 44 babies, 3× the national rate
Ramona: 20 babies, 3× the national rate
Jennie: 16 babies, 3× the national rate
Dixie: 27 babies, 2.9× the national rate
Carmen: 18 babies, 2.8× the national rate

Boys

Rudy: 19 babies, 5.3× the national rate
Delbert: 33 babies, 4.8× the national rate
Felix: 15 babies, 4.5× the national rate
Pete: 18 babies, 4.1× the national rate
Jose: 36 babies, 3.6× the national rate
Manuel: 36 babies, 3.6× the national rate
Loren: 18 babies, 3.6× the national rate
Tony: 37 babies, 3.5× the national rate
Gilbert: 44 babies, 3.4× the national rate
Leland: 16 babies, 3.1× the national rate

Top 50 girls' and boys' names in Colorado, 1940

Girls
Rank	Name	Babies	vs 1939	US rank
1	Mary	486	–	1
2	Patricia	309	↑1	3
3	Barbara	296	↓1	2
4	Carol	226	↑2	6
5	Betty	192	–	5
6	Judith	191	↑3	4
7	Shirley	175	↓3	9
8	Sharon	167	↑5	17
9	Donna	165	↓2	23
10	Sandra	146	↑11	10
11	Margaret	144	–	11
12	Judy	139	↑8	16
13	Nancy	132	↓3	7
14	Virginia	123	↑3	21
15	Linda	121	↑11	8
16	Dorothy	116	↓8	12
17	Joyce	111	↓1	13
18	Janice	109	↓6	22
19	Carolyn	107	↑3	15
20	Beverly	104	↓6	27
21	Janet	101	↑4	19
22	Phyllis	100	↑2	33
23	Marilyn	97	↓4	25
24	Gloria	89	↑7	30
25	Joan	89	↓10	14
26	Helen	87	↓8	18
27	Karen	82	new	34
28	Bonnie	76	↑7	39
29	Frances	72	↓6	28
30	Norma	71	↓2	43
31	Alice	70	↓4	32
32	Ruth	70	↓3	24
33	Elizabeth	69	↑15	20
34	Martha	65	new	26
35	Charlotte	55	↑6	55
36	Lois	55	↓6	38
37	Rose	53	↓4	44
38	Susan	51	new	36
39	Dolores	50	↓2	67
40	Doris	48	↑2	31
41	Roberta	48	↓2	71
42	Geraldine	47	↑5	46
43	Ann	46	new	35
44	Esther	46	↓1	>100
45	Peggy	46	↑1	37
46	Kathleen	45	new	40
47	Darlene	44	↓13	79
48	Pat	44	new	>100
49	Sally	44	new	61
50	Jo	43	new	72

Boys
Rank	Name	Babies	vs 1939	US rank
1	Robert	561	–	2
2	John	440	↑1	3
3	James	421	↓1	1
4	Richard	379	–	5
5	William	359	–	4
6	Larry	269	↑4	13
7	David	264	↑1	7
8	Donald	263	↓1	9
9	Charles	255	↓3	6
10	Ronald	218	↓1	10
11	Gary	204	↑5	19
12	George	155	–	11
13	Jerry	145	–	14
14	Thomas	144	↓3	8
15	Kenneth	131	↓1	15
16	Joe	128	↓1	28
17	Edward	127	↑3	16
18	Paul	113	↑5	17
19	Michael	109	↑9	18
20	Jack	100	↑2	29
21	Joseph	100	↓2	12
22	Frank	98	↓4	20
23	Raymond	95	↓2	22
24	Gerald	93	↓7	21
25	Dennis	90	↓1	24
26	Arthur	77	↑3	33
27	Harold	75	↓2	23
28	Leroy	71	↑8	66
29	Ralph	70	↑4	37
30	Fred	67	–	40
31	Carl	64	↑12	32
32	Roger	64	–	26
33	Albert	61	↑12	41
34	Daniel	59	↑7	34
35	Lawrence	57	↓8	36
36	Ernest	55	↑8	58
37	Eugene	55	↑2	38
38	Norman	55	↓12	48
39	Henry	54	↓4	31
40	Jim	54	↑2	78
41	Wayne	51	↓7	39
42	Louis	50	new	50
43	Roy	50	↑5	42
44	Bill	49	↓7	67
45	Dale	49	↓7	57
46	Don	49	↓15	62
47	Marvin	46	↑3	63
48	Gilbert	44	↓1	>100
49	Harry	44	new	47
50	Jimmy	44	new	44

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