Sam Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Story-County, Iowa

Our Model Tree links this Sam Johnson across the 1920, 1930 and 1940 US Censuses in Story-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 4-person household.

Age 67 b. ~1873 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Story-County, Iowa
Surname	Johnson
Given Name	Sam A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	67
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Lafayette Twp
1935 Residence (County)	Story
Additional Details
Occupation	Farming
Industry	on farm
Class of Worker	OA
Hours Worked	0
Income (1939)	0
Highest Grade	H 2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farming
Township / Ward	Lafayette Twp
Est. Birth Year	~1873

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 Sam	Age	Birth yr
Sam Johnson	Head	—	67	~1873
Arthur Johnson	Son	—	18	~1922
Fred Johnson	Son	—	22	~1918
Bertha Johnson	Spouse	—	61	~1879

Census Appearances

1920

Story, Iowa

Head, age 45

Story, Iowa · implied b. ~1875 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Sam A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Farmer
Industry	General farm
Class of Worker	Em
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Story, Iowa

Head, age 57

Story, Iowa · implied b. ~1873

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Johnson
Given Name	Samuel H
Relationship to Head	Head
Sex	M
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	26
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Farmer
Industry	General Farm
Class of Worker	VVVV
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Story-County, Iowa

Head, age 67

Story-County, Iowa · implied b. ~1873 — 4 household members

Surname	Johnson
Given Name	Sam A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	67
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Lafayette Twp
1935 Residence (County)	Story
Occupation	Farming
Industry	on farm
Class of Worker	OA
Hours Worked	0
Income (1939)	0
Highest Grade	H 2
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Sam 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

Sam Johnson

Head · 1940 · age 67 · b. ~1873 · 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 — Story-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01206-00600)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robert W. Baughman	27	Son-in-law	Printing	Iowa
2	Juliet Baughman	29	Daughter	Housewife	Iowa
3	Sam A. Johnson THIS PERSON	67	Head	Farming	Iowa
4	Bertha Johnson	61	Wife	Housewife	Iowa
5	Fred D. Johnson	22	Son	Farming	Iowa
6	Arthur Johnson	18	Son	—	Iowa
7	Charles Tressler	71	Head	Retired	Illinois
8	Nellie Tressler	65	Wife	Housewife	Iowa
9	Olia Valen	52	Head	Farming	Iowa
10	Gerhard Valen	51	Brother	Farming	Iowa
11	Mary Brees	26	Housekeeper	Housekeeping	Missouri
12	Eugene Raymond	20	Hired hand	Hired Hand	Iowa
13	Bernice Tussler	46	Head	Farming	Iowa
14	Ruby Tussler	41	Wife	Housewife	Iowa
15	Rozella Tussler	14	Daughter	—	Iowa
16	Derral Tussler	12	Son	—	Iowa
17	Kenneth Tussler	5	Son	—	Iowa
18	Otto G. Christianson	51	Head	Farming	Iowa
19	Agnes Christianson	38	Wife	Housewife	Iowa
20	Naomi Christianson	17	Daughter	—	Iowa
21	Roger Christianson	14	Son	—	Iowa
22	Mary Christianson	11	Daughter	—	Iowa
23	Ruth Ann Christianson	8	Daughter	—	Iowa
24	John J. Springman	52	Head	Farming	Iowa
25	Millie Springman	49	Wife	Housewife	Iowa
26	Norma Springman	19	Daughter	Student	Iowa
27	Ferris Springman	11	Son	—	Iowa
28	Edward Garvey	33	Hired hand	Farm Hand	Iowa
29	Marshall Thompson	22	Hired hand	Farm Hand	Missouri
30	Howard B. Smith	31	Head	Farming	Iowa
31	Ida M. Smith	35	Wife	Housewife	Iowa
32	Falkerne Smith	29	Head	Farming	Iowa
33	Rena Smith	28	Wife	Housewife	Iowa
34	Anita Smith	7	Daughter	—	Iowa
35	Lars Hansen	46	Hired hand	Farm Hand	Denmark
36	Andrew Hanson	53	Head	Farming	Iowa
37	Emma Hanson	48	Wife	Housewife	Iowa
38	Betty June Hanson	17	Daughter	—	Iowa
39	Ira L. Brown	54	Head	Farmer	Iowa
40	Margaret Brown	52	Wife	Housewife	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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