Fred Johnson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Carroll-County, Iowa

Our Model Tree links this Fred Johnson across the 1920, 1930 and 1940 US Censuses in Carroll-County, Iowa (XGBoost, ~Confirmed), with identified parents Mike & Mollie — first a head (b.~1907), then head of a 4-person household.

Age 33 b. ~1907 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Carroll-County, Iowa
Surname	Johnson
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Grant twp
1935 Residence (County)	Carroll
Naturalization Status	Naturalized
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Farmer
Township / Ward	Grant Twp
Est. Birth Year	~1907

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 Fred	Age	Birth yr
Marie Johnson	Daughter	—	7	~1933
Fred Johnson	Head	—	33	~1907
Merline Johnson	Son	—	13	~1927
Jessie Johnson	Spouse	—	33	~1907

Census Appearances

1920

Carroll, Iowa

Son, age 13

Carroll, Iowa · implied b. ~1907 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Freddie
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Germany
Year of Immigration	1908
Naturalization Status	First papers filed
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth Country	Germany
Birthplace (normalized)	germany

1930

Carroll, Iowa

Head, age 23

Carroll, Iowa · implied b. ~1907 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Fred M
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Germany
Naturalization Status	Naturalized
Year of Immigration	1908
Age at First Marriage	20
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Farmer
Industry	Gen Farm
Class of Worker	O
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	R
Birth Country	Germany
Birthplace (normalized)	germany

1940

Carroll-County, Iowa

Head, age 33

Carroll-County, Iowa · implied b. ~1907 — 4 household members

Surname	Johnson
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Grant twp
1935 Residence (County)	Carroll
Naturalization Status	Naturalized
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	70
Income (1939)	0
Highest Grade	No 3
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Model Tree available

Our Model Tree links Fred Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mike Johnson (~0.92 confidence) and mother Mollie Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Mike Johnson

b. ~1878

Source father

● Household · direct · ~0.92

Mother

Mollie Johnson

b. ~1885

Source mother

● Household · direct · ~0.92

This person

Anchor record

Fred Johnson

Head · 1940 · age 33 · b. ~1907 · 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 — Carroll-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01144-00861)

Line	Name	Age	Relation	Occupation	Birthplace
41	Conner	None	—	—	—
42	Oliver Conner	67	Head	Farmer	Iowa
43	Sylvia Conner	57	Wife	—	Iowa
44	Fred Turner	28	Head	Hired Man	Iowa
45	Josephine Turner	25	Wife	—	Iowa
46	Douglas Turner	4	Son	—	Iowa
47	Jennie Mae Turner	2	Daughter	—	Iowa
48	Millard C. Simpson	50	Head	Farmer	Iowa
49	Agnes Simpson	43	Wife	—	Iowa
50	Robert Simpson	13	Son	—	Iowa
51	Fred Johnson THIS PERSON	33	Head	Farmer	Germany
52	Jessie Johnson	33	Wife	—	Iowa
53	Merline Johnson	13	Son	—	Iowa
54	Marie Jean Johnson	7	Daughter	—	Iowa
55	Herman Weber	46	Head	Farmer	Nebraska
56	Bertha Weber	36	Wife	—	Iowa
57	Yvonne Weber	2	Daughter	—	Iowa
58	Elmer Hein	34	Head	Farmer	Iowa
59	Golda Hein	31	Wife	—	Iowa
60	Lyle Hein	12	Son	—	Iowa
61	Gloria Jean Hein	10	Daughter	—	Iowa
62	Elmer Jr. Hein	3	Son	—	Iowa
63	Caroline Halthers	19	Hired Girl	Housework	Iowa
64	Charles Henton	52	Head	Farmer	Iowa
65	Bernice Henton	20	Daughter	—	Iowa
66	Mildred Henton	18	Daughter	—	Iowa
67	Robert Henton	17	Son	Farm Work	Iowa
68	Albert Henton	54	Head	Farmer	Nebraska
69	Marie Henton	42	Wife	—	Iowa
70	Melvin Henton	21	Son	Farm Work	Iowa
71	Luke H. Henton	84	Father	—	Germany
72	August Henton	22	Head	Hired Man	Iowa
73	Ernestine Henton	21	Wife	—	Iowa
74	James D. Henton	1	Son	—	Iowa
75	John Hanke	53	Head	Farmer	Iowa
76	Edith Hanke	48	Wife	—	Iowa
77	Kenneth Hanke	22	Son	Delivery Man	Iowa
78	Norman Hanke	18	Son	—	Iowa
79	Lyle Hanke	16	Son	—	Iowa
80	Dolores Hanke	12	Daughter	—	Iowa

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Pedigree Summary

Fred

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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