Joe Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pocahontas-County, Iowa

Our Model Tree links this Joe Johnson across the 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 3-person household.

Age 53 b. ~1887 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Pocahontas-County, Iowa
Surname	Johnson
Given Name	Joe A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Colfay Township
1935 Residence (County)	Pocahontas
Additional Details
Occupation	farmer
Industry	farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	Colfay Township
Est. Birth Year	~1887

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.

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

Name	Relation to head	Relative to Joe	Age	Birth yr
Florence Johnson	Daughter	—	16	~1924
Joe Johnson	Head	—	53	~1887
Nettie Johnson	Spouse	—	50	~1890

Census Appearances

1920

Pocahontas, Iowa

Head, age 32

Pocahontas, Iowa · implied b. ~1888 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Joe A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Farmer
Industry	Gen Farm
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Pocahontas, Iowa

Head, age 43

Pocahontas, Iowa · implied b. ~1887 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Joseph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	31
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Farmer
Industry	General Farm
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Pocahontas-County, Iowa

Head, age 53

Pocahontas-County, Iowa · implied b. ~1887 — 3 household members

Surname	Johnson
Given Name	Joe A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Colfay Township
1935 Residence (County)	Pocahontas
Occupation	farmer
Industry	farm
Class of Worker	OA
Hours Worked	72
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

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

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This person

Anchor record

Joe Johnson

Head · 1940 · age 53 · b. ~1887 · 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 — Pocahontas-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01191-00178)

Line	Name	Age	Relation	Occupation	Birthplace
1	Duane Johnson	6	Son	—	Iowa
2	Martin Larson	57	Head	Farmer	Iowa
3	Margaret Larson	48	Wife	—	Iowa
4	Matilda Samuelson	58	Head	—	Sweden
5	Hilding Samuelson	28	Son	Farm Laborer	Iowa
6	Ernest Wiedauwa	56	Head	Farmer	Germany
7	Olga Wiedauwa	50	Wife	—	Iowa
8	Oscar Wiedauwa	26	Son	Farm Laborer	Iowa
9	John Duitsman	71	Head	Retired Farmer	Germany
10	Anna Duitsman	71	Wife	—	Illinois
11	Lester Nichel	25	Head	Farmer	Iowa
12	Opal Nichel	24	Wife	—	Iowa
13	Delores Nichel	6	Daughter	—	Iowa
14	Ruth Nichel	1	Daughter	—	Iowa
15	Laurena Peiffer	44	Head	Farmer	Iowa
16	Freda Peiffer	42	Wife	—	Iowa
17	La Von Peiffer	19	Daughter	—	Iowa
18	Thelma Peiffer	15	Daughter	—	Iowa
19	Cletus Peiffer	13	Son	—	Iowa
20	George Theesfeld	33	Head	Farmer	Iowa
21	Martha Theesfeld	27	Wife	—	Iowa
22	Delores Theesfeld	8	Daughter	—	Iowa
23	Delva Jean Theesfeld	6	Daughter	—	Iowa
24	Kenneth Wayne Theesfeld	3	Son	—	Iowa
25	Joya Elain Theesfeld	1	Daughter	—	Iowa
26	Arthur Peiffer	26	Head	Farmer	Iowa
27	Loretta Peiffer	25	Wife	—	Iowa
28	Leo Schachtner	18	Farm laborer	Farm Laborer	Iowa
29	Joe A. Johnson THIS PERSON	53	Head	Farmer	Iowa
30	Nettie Johnson	50	Wife	—	Tennessee
31	Florence Johnson	16	Daughter	—	Iowa
32	Francis Doyle	45	Head	Farmer	Iowa
33	Susan Doyle	45	Wife	Farmer	Iowa
34	Cyril Doyle	17	Son	—	Iowa
35	James Doyle	13	Son	—	Iowa
36	Edward Korf	58	Head	Farmer	Illinois
37	Dora Korf	54	Wife	—	Iowa
38	Alfred Korf	30	Son	Mechanic	Iowa
39	Norman Korf	22	Son	Farm Laborer	Iowa
40	Raymond Korf	10	Son	—	Iowa

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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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