John Jensen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Westchester-County, New York

Our Model Tree links this John Jensen across the 1920, 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 4-person household.

Age 52 b. ~1888 Male Head Born: Denmark Married

1940 Census Record Details

Census Year	1940
Location	Westchester-County, New York
Surname	Jensen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	Yonkers city
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Additional Details
Occupation	Salesman
Industry	Automobile
Class of Worker	PW
Hours Worked	70
Income (1939)	4586
Highest Grade	No 4
1935 Residence	Same place
Birth Country	Denmark
Birthplace (normalized)	denmark
Occupation	Salesman
Township / Ward	Yonkers City
Est. Birth Year	~1888

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 John	Age	Birth yr
Lois Jensen	Daughter	—	26	~1914
John Jensen	Head	—	52	~1888
John Jensen	Son	—	23	~1917
Mabel Jensen	Spouse	—	49	~1891

Census Appearances

1920

Bronx, New …

Other, age 35

Bronx, New York · implied b. ~1885 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	John
Relationship to Head	roomer
Sex	M
Color / Race	White
Age	35
Marital Status	Single
Birthplace	Denmark
Year of Immigration	1903
Naturalization Status	Naturalized
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Salesman
Industry	Automobiles
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Danish
Birth Country	Denmark
Year of Naturalization	1909
Birthplace (normalized)	denmark

1930

Westchester, New …

Head, age 43

Westchester, New York · implied b. ~1887 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Denmark
Naturalization Status	Naturalized
Year of Immigration	1904
Age at First Marriage	26
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Salesman
Industry	Wash Mach Co.
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Danish
Home Owned/Rented	O
Home Value / Rent	11,000
Radio Set	R
Birth Country	Denmark
Birthplace (normalized)	denmark

1940

Westchester-County, New …

Head, age 52

Westchester-County, New York · implied b. ~1888 — 4 household members

Surname	Jensen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Denmark
1935 Residence (City)	Yonkers city
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Occupation	Salesman
Industry	Automobile
Class of Worker	PW
Hours Worked	70
Income (1939)	4586
Highest Grade	No 4
1935 Residence	Same place
Birth Country	Denmark
Birthplace (normalized)	denmark

Model Tree

Linked across censuses

Our Model Tree links John 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

John Jensen

Head · 1940 · age 52 · b. ~1888 · New York

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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 — Westchester-County, New York Open full size

Page Contents

35 people indexed on this census page (nara:1940:m-t0627-02866-00488)

Line	Name	Age	Relation	Occupation	Birthplace
1	Hazel Martenhoff	19	Lodger	Mother'S Helper	New York
2	John J. Murray	56	Head	Advertising Agent	Ireland
3	Lillian V. Murray	54	Wife	—	Ireland
4	Betty P. Murray	32	Daughter	Anesthetist	New York
5	Lilly M. Murray	31	Daughter	Teacher	New York
6	John Jr. Murray	24	Son	New Worker	New York
7	James Murray	17	Son	—	New York
8	Harry S. Gengenbach	58	Head	Clerk	Massachusetts
9	Minnie Gengenbach	58	Wife	—	New York
11	Fernando Campini	40	Head	Gardener	Italy
12	Mabel S. Campini	50	Wife	—	Italy
13	Daniel Campini	24	Son	New Worker	New York
14	Michael Campini	21	Son	New Worker	New York
18	Helen C. Young	47	Head	Director	Maine
19	Hazel Canning	52	Sister	Writer	Maine
20	Frances Fela	23	Housekeeper	Housekeeper	New York
21	Willis Linderen	44	Head	Clerk	New York
22	Madeline J. Linderen	44	Wife	—	New York
23	John Jensen THIS PERSON	52	Head	Salesman	Denmark
24	Mabel Jensen	49	Wife	—	New York
25	John J. Jensen	23	Son	Teller	New York
26	Lois Jensen	26	Daughter	Secretary	New York
27	Nicholas Pace	38	Head	Executive	New York
28	Catherine Pace	35	Wife	Principal	Connecticut
29	William Pace	9	Son	—	New York
30	William Fagan	65	Father-in-law	Polisher	Connecticut
31	Elizabeth Fagan	64	Mother-in-law	—	Connecticut
33	Harry W. Smith	56	Head	Salesman	New York
34	Ina S. Smith	48	Wife	—	Scotland
35	Margery Smith	20	Daughter	Secretary	Connecticut
36	Robert P. Jodry	37	Head	Mechanic	France
37	Henrietta Jodry	39	Wife	—	France
38	Robert Jr. Jodry	9	Son	—	New York
39	Henry Jodry	8	Son	—	New York
40	Genevieve Jodry	18	Daughter	—	France

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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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