Leo Miller — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Crawford-County, Iowa

Our Model Tree links this Leo Miller across the 1920, 1930 and 1940 US Censuses in Crawford-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 4-person household.

Age 43 b. ~1897 Male Head Born: Nebraska Married

1940 Census Record Details

Census Year	1940
Location	Crawford-County, Iowa
Surname	Miller
Given Name	Leo J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Denison
1935 Residence (County)	Crawford
Additional Details
Occupation	Clerk
Industry	Post-Office
Class of Worker	GW
Hours Worked	40
Income (1939)	2035
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska
Occupation	Clerk
Township / Ward	Denison
Est. Birth Year	~1897

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Leo	Age	Birth yr
Mabel Miller	Spouse	—	41	~1899
Leo Miller	Head	—	43	~1897
Patricia Miller	Daughter	—	10	~1930
Melvin Miller	Son	—	19	~1921

Census Appearances

1920

Crawford, Iowa

Other, age 23

Crawford, Iowa · implied b. ~1897 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Miller
Given Name	Leo J.
Relationship to Head	Roomer
Sex	M
Color / Race	White
Age	23
Marital Status	Single
Birthplace	Nebraska
Father's Birthplace	Nebraska
Mother's Birthplace	Nebraska
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1930

Crawford, Iowa

Head, age 32

Crawford, Iowa · implied b. ~1898 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Miller
Given Name	Leo J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Nebraska
Age at First Marriage	24
Father's Birthplace	Nebraska
Mother's Birthplace	Nebraska
Occupation	Policeman
Industry	City Marshal
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	20
Radio Set	R
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1940

Crawford-County, Iowa

Head, age 43

Crawford-County, Iowa · implied b. ~1897 — 4 household members

Surname	Miller
Given Name	Leo J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Denison
1935 Residence (County)	Crawford
Occupation	Clerk
Industry	Post-Office
Class of Worker	GW
Hours Worked	40
Income (1939)	2035
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

Model Tree

Linked across censuses

Our Model Tree links Leo Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Leo Miller

Head · 1940 · age 43 · b. ~1897 · Iowa

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Crawford-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01152-00107)

Line	Name	Age	Relation	Occupation	Birthplace
41	Paul Saggan	2	Son	—	Iowa
42	Thomas Saggan	1	Son	—	Iowa
43	Betty Houck	19	Maid	Just Started Work April 1	Iowa
44	Chas Jacobsen	49	Head	Proprietor	Nebraska
45	Ottillia O Jacobsen	41	Wife	School Nurse	Nebraska
46	Virginia Jacobsen	15	Daughter	—	Nebraska
47	Leo J. Miller THIS PERSON	43	Head	Clerk	Nebraska
48	Mabel O Miller	41	Wife	0	Iowa
49	Melvin Miller	19	Son	0	Iowa
50	Patricia Miller	10	Daughter	—	Iowa
51	Locca O Roger	76	Head	0	Germany
52	Freida Roger	26	Daughter	Maid	Iowa
53	Robert K Raunson	31	Head	Attorney	Iowa
54	Mary O Raunson	31	Wife	0	Tennessee
55	Patricia Raunson	5	Daughter	—	Iowa
56	Robert K. Jr. Raunson	4	Son	—	Iowa
57	Louis Leaf	44	Head	Proprietor	Russia
58	Rose O Leaf	42	Wife	0	Russia
59	Florence A. Leaf	18	Daughter	0	Nebraska
60	Wilma Leaf	17	Daughter	0	Nebraska
61	Gerald L. Leaf	16	Son	0	Nebraska
62	Pearl Arline Leaf	14	Daughter	0	Nebraska
63	Earl Mcleighan	27	Head	Operator	Iowa
64	Dorothy P. Mcleighan	26	Wife	0	Iowa
65	Anna Lee Mcleighan	12	Daughter	—	Iowa
66	Faye O Leemkuil	32	Head	Patrolman	Iowa
67	Phyllis Leemkuil	34	Wife	0	Iowa
68	Marlene Leemkuil	7	Daughter	—	Iowa
69	Henry J. Leemkuil	65	Father	0	Iowa
70	Gustav Stock	70	Head	Proprietor	Germany
71	Sophia O Stock	62	Wife	0	Germany
72	Doris Stock	27	Daughter	Saleslady	Iowa
73	August O Marwede	62	Head	0	Germany
74	Clara Marwede	61	Wife	0	Nebraska
75	P. J. O Farrelly	74	Head	0	Iowa
76	Katherine Farrelly	70	Wife	0	Iowa
77	Eva Connolly	62	Sister-in-law	0	Iowa
78	Louis Evers	65	Head	Deputy	Iowa
79	Ida O Evers	57	Wife	0	Iowa
80	C. M. Jensen	75	Head	0	Germany

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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