Peter Jensen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Shelby-County, Iowa

Our Model Tree links this Peter Jensen across the 1920, 1930 and 1940 US Censuses in Shelby-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 4-person household.

Age 44 b. ~1896 Male Head Born: Denmark Married

1940 Census Record Details

Census Year	1940
Location	Shelby-County, Iowa
Surname	Jensen
Given Name	Peter M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	R
1935 Residence (County)	Pottawattamie
Naturalization Status	Naturalized
Additional Details
Occupation	Manager
Industry	retail Service Station
Class of Worker	OA
Hours Worked	44
Highest Grade	No 8
1935 Residence	Iowa
Birth Country	Denmark
Birthplace (normalized)	denmark
Occupation	Manager
Township / Ward	Harlan
Est. Birth Year	~1896

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 Peter	Age	Birth yr
Arlene Jensen	Daughter	—	15	~1925
Peter Jensen	Head	—	44	~1896
Rosie Jensen	Spouse	—	40	~1900
Mildred Jensen	Daughter	—	18	~1922

Census Appearances

1920

Shelby, Iowa

Other, age 24

Shelby, Iowa · implied b. ~1896 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	Peter Martin
Relationship to Head	Hired Man
Sex	M
Color / Race	White
Age	24
Marital Status	Single
Birthplace	Denmark
Year of Immigration	1914
Naturalization Status	Naturalized
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Labor
Industry	Farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Danish
Birth Country	Denmark
Birthplace (normalized)	denmark

1930

Pottawattamie, Iowa

Head, age 34

Pottawattamie, Iowa · implied b. ~1896 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	Peter M
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Denmark
Naturalization Status	Naturalized
Year of Immigration	1914
Age at First Marriage	24
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Farmer
Industry	General farm
Class of Worker	E
Can Read/Write	Yes
Mother Tongue	Danish
Home Owned/Rented	O
Radio Set	R
Veteran	Yes WW
Birth Country	Denmark
Birthplace (normalized)	denmark

1940

Shelby-County, Iowa

Head, age 44

Shelby-County, Iowa · implied b. ~1896 — 4 household members

Surname	Jensen
Given Name	Peter M.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	R
1935 Residence (County)	Pottawattamie
Naturalization Status	Naturalized
Occupation	Manager
Industry	retail Service Station
Class of Worker	OA
Hours Worked	44
Highest Grade	No 8
1935 Residence	Iowa
Birth Country	Denmark
Birthplace (normalized)	denmark

Model Tree

Linked across censuses

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

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This person

Anchor record

Peter Jensen

Head · 1940 · age 44 · b. ~1896 · 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 — Shelby-County, Iowa Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-01204-00278)

Line	Name	Age	Relation	Occupation	Birthplace
1	Peggy Barnes	7	daughter	—	Iowa
2	Harry Barnes	6	son	—	Iowa
3	Laura Barne	71	Head	U	New York
4	Eugene Davis	21	Head	Laborer	Iowa
5	Dorothy Davis	20	Wife	No	Iowa
7	Thomas Duke	59	Head	Retired Farmer	Iowa
8	Selma Duke	49	Wife	No	Iowa
9	Nettie Butler	66	Head	No	Iowa
10	Henry Ehrig	63	Head	Clerk	Germany
11	Esther Ehrig	37	Wife	No	Iowa
12	Betty Ehrig	16	daughter	No	Iowa
13	Richard Ehrig	12	son	—	Iowa
14	Mary Ann Ehrig	9	daughter	—	Iowa
15	Nels Adolph Nelson	67	Head	Mason For	Denmark
16	Christene Nelson	64	Wife	No	Denmark
17	Henry Nelson Nelson	39	son	Waiter	Denmark
18	Bruno Nelson	34	son	Laborer	Denmark
19	Jack Eugene Olson	7	grand-son	—	Iowa
21	Elmer Eugene Potter	90	Head	U	Illinois
22	Ralph Potter	58	son	Laborer	Iowa
23	Carl Norgaard	43	Head	—	Iowa
24	Elmer Norgaard	50	brother	Carpenter	Iowa
25	Harley Hagaman	43	Head	Station Agent	Iowa
26	Mildred Hagaman	37	Wife	No	Iowa
27	Fred Henry	49	Head	Blacksmith	Iowa
28	Janet Henry	21	Wife	No	Minnesota
29	Fred Gearhart	60	Head	Laborer	Iowa
31	Harold H. Sorensen	31	Head	Farmer	Iowa
32	Maud E. Sorensen	31	Wife	No	Nebraska
33	Peter M. Jensen THIS PERSON	44	Head	Manager	Denmark
34	Rosie K. Jensen	40	Wife	No	Iowa
35	Mildred S. Jensen	18	daughter	Housework	Iowa
36	Arlene R. Jensen	15	daughter	No	Iowa
37	Louis Jensen	51	Head	Canner	Iowa
38	Millie Jensen	46	Wife	No	Iowa
39	Louise Eugene Jensen	12	son	—	Iowa
40	Ethel Campbell	21	daughter	No	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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