Allen Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Union-County, South Dakota

Our Model Tree links this Allen Johnson across the 1920, 1930 and 1940 US Censuses in Union-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 4-person household.

Age 70 b. ~1870 Male Head Born: Sweden Married

1940 Census Record Details

Census Year	1940
Location	Union-County, South Dakota
Surname	Johnson
Given Name	Allen
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Emmett Township
1935 Residence (County)	Union
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Income (1939)	0
Highest Grade	7
1935 Residence	Same place
Birth Country	Sweden
Birthplace (normalized)	sweden
Township / Ward	Emmett Township
Est. Birth Year	~1870

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 Allen	Age	Birth yr
Allen Johnson	Head	—	70	~1870
Marie Johnson	Spouse	—	61	~1879
Viola Johnson	Daughter	—	26	~1914
Royal Johnson	Son	—	15	~1925

Census Appearances

1920

Union, South …

Head, age 49

Union, South Dakota · implied b. ~1871 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Allen
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Sweden
Year of Immigration	1881
Naturalization Status	Naturalized
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Mechanic
Industry	Carpenter House
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth Country	Sweden
Year of Naturalization	1890
Birthplace (normalized)	sweden

1930

Union, South …

Other, age 60

Union, South Dakota · implied b. ~1870 — 46 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Allen
Relationship to Head	O
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Sweden
Naturalization Status	Naturalized
Year of Immigration	1881
Age at First Marriage	40
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Carpenter
Industry	Farm structures
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Birthplace (normalized)	sweden

1940

Union-County, South …

Head, age 70

Union-County, South Dakota · implied b. ~1870 — 4 household members

Surname	Johnson
Given Name	Allen
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Emmett Township
1935 Residence (County)	Union
Naturalization Status	Naturalized
Class of Worker	0
Income (1939)	0
Highest Grade	7
1935 Residence	Same place
Birth Country	Sweden
Birthplace (normalized)	sweden

Model Tree

Linked across censuses

Our Model Tree links Allen 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

Allen Johnson

Head · 1940 · age 70 · b. ~1870 · South Dakota

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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 — Union-County, South Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03869-00243)

Line	Name	Age	Relation	Occupation	Birthplace
1	Oscar A. Missler	41	Head	Farmer	Sweden
2	Agnes C. Missler	40	Wife	—	Sweden
3	Anna B. Missler	16	Daughter	—	South Dak.
4	Doris V. Missler	12	Daughter	—	South Dak.
5	Robert A. Missler	3	Son	—	South Dak.
6	James W. Tennard	64	Head	Farmer	South Dak.
7	Lydia E. Tennard	58	Wife	—	South Dak.
8	Russell W. Tennard	19	Son	Laborer	South Dak.
9	Gladys R. Tennard	17	Daughter	—	South Dak.
10	Darrel H. Tennard	14	Daughter	—	South Dak.
11	Oliver J. Hult	32	Head	Farmer	South Dak.
12	Enid A. Hult	23	Wife	—	South Dak.
13	Nada M. Hult	4	Daughter	—	South Dak.
14	John H. Shanker	56	Head	Farmer	Iowa
15	Marie A. Shanker	54	Wife	—	South Dak.
16	Donald Shanker	17	Son	Farmer	South Dak.
17	Edward Shanker	16	Son	Farmer	South Dak.
18	F. Christ Nissen	63	Head	Blacksmith	Denmark
19	M. Johanna Nissen	63	Wife	—	Denmark
20	Vhiner Peterson	35	Head	Operator	South Dak.
21	Mabel E. Peterson	25	Wife	—	South Dak.
22	Burdette C. Peterson	8	Son	—	South Dak.
23	Harold M. Peterson	58	Head	Merchant	Illinois
24	Theodosia Peterson	56	Wife	—	South Dak.
25	Avis M. Peterson	28	Daughter	Clerk	South Dak.
26	Keith O. Peterson	22	Son	Clerk	South Dak.
27	Lorraine Peterson	16	Daughter	—	South Dak.
28	Allen Johnson THIS PERSON	70	Head	—	Sweden
29	Marie Johnson	61	Wife	—	South Dak.
30	Viola S. Johnson	26	Daughter	Operator	South Dak.
31	Royal E. Johnson	15	Son	—	South Dak.
32	Alfred Evjen	40	Head	Laborer	South Dak.
33	Selina Evjen	37	Wife	—	South Dak.
34	Helen B. Evjen	16	Daughter	—	South Dak.
35	Clifford J. Evjen	13	Son	—	South Dak.
36	Vellan G. Evjen	10	Daughter	—	South Dak.
37	Arlene D. Evjen	5	Daughter	—	South Dak.
38	Max F. Frahm	38	Head	Operator	Nebraska
39	Erna B. Frahm	33	Wife	—	Nebraska
40	Loretta E. Frahm	14	Daughter	—	Nebraska

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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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