Grace Campbell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Blue-Earth-County, Minnesota

Our Model Tree links this Grace Campbell across the 1920, 1930 and 1940 US Censuses in Blue-Earth-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 5-person household.

Age 41 b. ~1899 Female Head Born: Iowa Widowed

1940 Census Record Details

Census Year	1940
Location	Blue-Earth-County, Minnesota
Surname	Campbell
Given Name	Grace
Relationship to Head	Head
Sex	F
Color / Race	White
Age	41
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Butternut Valley
1935 Residence (County)	Blue Earth
Additional Details
Occupation	Manager
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Manager
Township / Ward	Butternut Valley
Est. Birth Year	~1899

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.

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

Name	Relation to head	Relative to Grace	Age	Birth yr
Grace Campbell	Head	—	41	~1899
Glenn Campbell	Son	—	21	~1919
Melvin Campbell	Son	—	9	~1931
Minnie Campbell	Daughter	—	8	~1932
Donald Campbell	Son	—	18	~1922

Census Appearances

1920

Blue Earth, …

Spouse, age 20

Blue Earth, Minnesota · implied b. ~1900 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	20
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Blue Earth, …

Other, age 31

Blue Earth, Minnesota · implied b. ~1899 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Campbell
Given Name	Grace M
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	19
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Blue-Earth-County, Minnesota

Head, age 41

Blue-Earth-County, Minnesota · implied b. ~1899 — 5 household members

Surname	Campbell
Given Name	Grace
Relationship to Head	Head
Sex	F
Color / Race	White
Age	41
Marital Status	Widowed
Birthplace	Iowa
1935 Residence (City)	Butternut Valley
1935 Residence (County)	Blue Earth
Occupation	Manager
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Grace Campbell

Head · 1940 · age 41 · b. ~1899 · Minnesota

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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 — Blue-Earth-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01908-00053)

Line	Name	Age	Relation	Occupation	Birthplace
41	Lester Gilbertson	34	Head	Farmer	Minnesota
42	Gladys Gilbertson	28	Wife	—	Minnesota
43	Marilyn Gilbertson	5	Daughter	—	Minnesota
44	Sharon Gilbertson	1	Daughter	—	Minnesota
45	John E. Owens	70	Head	—	Minnesota
46	Netta J. Owens	67	Wife	—	Minnesota
47	Fred Mennenga	32	Head	Farmer	Iowa
48	Loretta Mennenga	32	Wife	—	Illinois
49	Donald Mennenga	1	Son	—	Minnesota
50	Mary Ann Mitchell	11	Daughter	—	Minnesota
51	John Othoudt	14	Laborer	—	Minnesota
52	Harley Faulkner	36	Head	Farmer	Illinois
53	Hazel Faulkner	35	Wife	—	Illinois
54	Elroy Muellerleile	17	Laborer	Laborer	Minnesota
55	Earl Gilbertson	40	Head	Farmer	Minnesota
56	Inga Gilbertson	39	Wife	—	Minnesota
57	Gudrun Gilbertson	7	Daughter	—	Minnesota
58	Harvey L. Hansen	46	Head	Farmer	Minnesota
59	Tillia Hansen	49	Wife	—	Minnesota
60	Arden Hansen	20	Son	Laborer	Minnesota
61	Marlowe Hansen	19	Son	Laborer	Minnesota
62	Valaine Hansen	12	Daughter	—	Minnesota
63	Grace Campbell THIS PERSON	41	Head	Manager	Iowa
64	Glenn Campbell	21	Son	Farmer	Minnesota
65	Donald Campbell	18	Son	Laborer	Minnesota
66	Melvin Campbell	9	Son	—	Minnesota
67	Minnie Campbell	8	Daughter	—	Minnesota
68	Ray Jensen	45	Head	Farmer	Minnesota
69	Theora Jensen	38	Wife	—	Iowa
70	Marrian Jensen	14	Daughter	—	Minnesota
71	Marcille Jensen	4	Daughter	—	Minnesota
72	Rodger Jones	52	Head	Farmer	Minnesota
73	Ida Jones	48	Wife	—	Minnesota
74	Helen Jones	20	Daughter	Bookkeeper	Minnesota
75	Lyle Jones	17	Son	—	Minnesota
76	Sarah Jones	16	Daughter	—	Minnesota
77	Marion Jones	13	Daughter	—	Minnesota
78	Roger L. Jones	11	Son	—	Minnesota
79	Tony Lucas	28	Laborer	Farm Laborer	Minnesota
80	Lester B. Jones	45	Head	Farmer	Minnesota

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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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