William Jensen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this William Jensen across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 3-person household.

Age 46 b. ~1894 Male Head Born: Denmark Married

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Jensen
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	Detroit city
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Additional Details
Occupation	Tool-Maker
Industry	Automobile manufacturing
Class of Worker	PW
Hours Worked	40
Income (1939)	48
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Denmark
Birthplace (normalized)	denmark
Occupation	Tool-Maker
Township / Ward	Detroit City
Est. Birth Year	~1894

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 William	Age	Birth yr
Shirley Jensen	Daughter	—	8	~1932
William Jensen	Head	—	46	~1894
Dorma Jensen	Spouse	—	39	~1901

Census Appearances

1920

Wayne, Michigan

Other, age 27

Wayne, Michigan · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	William
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	27
Marital Status	Single
Birthplace	Denmark
Year of Immigration	1917
Naturalization Status	Alien
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Toolmaker
Industry	Fuse Mfg
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Danish
Birth Country	Denmark
Birthplace (normalized)	denmark

1930

Wayne, Michigan

Head, age 36

Wayne, Michigan · implied b. ~1894 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	William H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Denmark
Naturalization Status	Naturalized
Year of Immigration	1916
Age at First Marriage	23
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Machinist
Industry	Automobile factory
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Value / Rent	7,000
Birth Country	Denmark
Birthplace (normalized)	denmark

1940

Wayne-County, Michigan

Head, age 46

Wayne-County, Michigan · implied b. ~1894 — 3 household members

Surname	Jensen
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	Detroit city
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Occupation	Tool-Maker
Industry	Automobile manufacturing
Class of Worker	PW
Hours Worked	40
Income (1939)	48
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Denmark
Birthplace (normalized)	denmark

Model Tree

Linked across censuses

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

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This person

Anchor record

William Jensen

Head · 1940 · age 46 · b. ~1894 · Michigan

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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 — Wayne-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01886-00003)

Line	Name	Age	Relation	Occupation	Birthplace
1	Gottfried Brinkman	53	Head	Carpenter	Michigan
2	Angelina Brinkman	55	Wife	—	Michigan
3	Gottfried Brinkman	29	Son	Music Teacher	Michigan
4	Joseph A. Vespek	32	Head	Electric Welder	Jugo Slavia
5	Magdalena Vespek	31	Wife	—	Ohio
6	John Elick	37	Head	Press Operator	Pennsylvania
7	Mary Elick	37	Wife	—	Poland
8	Joseph Elick	15	Son	—	Pennsylvania
9	Theodore Elick	12	Son	—	Pennsylvania
10	Ferdinand Beich	55	Head	Janitor	Poland
11	Natalie Beich	45	Wife	—	Poland
12	Walter Beich	18	Son	New Worker	Germany
13	Anna Beich	16	Daughter	—	Michigan
14	Berthold Beich	11	Son	—	Michigan
15	Lloyd Mccarthy	30	Head	Assembler	New York
16	Margaret Mccarthy	25	Wife	Saleslady	Michigan
17	Oscar Sommer	56	Head	Assembler	Germany
18	Elsie Sommer	53	Wife	—	Germany
19	Rudolph Sommer	20	Son	Salesman	Germany
20	Henry Blake	42	Head	Assembler	Michigan
21	Viola Blake	39	Wife	—	Michigan
22	Vivien Blake	13	Daughter	—	Michigan
23	Henry Jr. Blake	11	Son	—	Michigan
24	William Smullen	37	Head	Machine Operator	Pennsylvania
25	Agatha Smullen	26	Wife	—	Indiana
26	William Jr. Smullen	6	Son	—	Michigan
27	Robert Smullen	0	Son	—	Michigan
28	Barbara Delaney	50	Head	Waitress	Michigan
29	Lucille Delaney	18	Daughter	Stenographer	Michigan
30	Ralph Delaney	17	Son	Messenger Boy	Michigan
31	James Delaney	15	Son	Apprentice	Michigan
32	Iris Delaney	13	Daughter	—	Michigan
33	Barbara Delaney	11	Daughter	—	Michigan
34	Louis Auerbach	37	Head	Time Clerk	Michigan
35	Frieda Auerbach	31	Wife	Waitress	Germany
36	John Robert Auerbach	13	Son	—	Michigan
37	Louis G. Jr. Auerbach	4	Son	—	Michigan
38	William Jensen THIS PERSON	46	Head	Tool-Maker	Denmark
39	Dorma Jensen	39	Wife	—	Michigan
40	Shirley Anne Jensen	8	Daughter	—	Michigan

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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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