John Jensen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lane-County, Oregon

Our Model Tree links this John Jensen across the 1920, 1930 and 1940 US Censuses in Lane-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 3-person household.

Age 58 b. ~1882 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Lane-County, Oregon
Surname	Jensen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Eugene City
1935 Residence (County)	Lane
Additional Details
Occupation	Tax Collector
Industry	County
Class of Worker	PW
Hours Worked	44
Income (1939)	118
Highest Grade	H-4
1935 Residence	Same House
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Occupation	Tax Collector
Township / Ward	Eugene City
Est. Birth Year	~1882

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 John	Age	Birth yr
John Jensen	Head	—	58	~1882
Wendell Jensen	Son	—	19	~1921
Alice Jensen	Spouse	—	53	~1887

Census Appearances

1920

Lane, Oregon

Head, age 38

Lane, Oregon · implied b. ~1882 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Proprietor
Industry	Auto Garage
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Danish
Home Owned/Rented	F
Birth State	Minnesota
Birth Country	United States
Year of Naturalization	O
Birthplace (normalized)	minnesota

1930

Lane, Oregon

Head, age 48

Lane, Oregon · implied b. ~1882 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jensen
Given Name	John
Relationship to Head	head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	26
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Salesman
Industry	Automobile
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	6500
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Lane-County, Oregon

Head, age 58

Lane-County, Oregon · implied b. ~1882 — 3 household members

Surname	Jensen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Eugene City
1935 Residence (County)	Lane
Occupation	Tax Collector
Industry	County
Class of Worker	PW
Hours Worked	44
Income (1939)	118
Highest Grade	H-4
1935 Residence	Same House
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links John 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

John Jensen

Head · 1940 · age 58 · b. ~1882 · Oregon

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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 — Lane-County, Oregon Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-03368-00687)

Line	Name	Age	Relation	Occupation	Birthplace
1	Nina D Humphreys	60	Head	Manager	Minnesota
2	Maud Densmore	64	Head	Manager	Nebraska
3	Ina D Curtis	32	Lodger	Teacher	Oregon
4	Cordelia D Evans	28	Lodger	Realtor	Oregon
5	Lola A Smith	24	Lodger	Saleslady	Oregon
6	Kathryn D Powell	29	Lodger	Hostess	North Dakota
7	Norman K Tully	53	Head	Preacher	Nova Scotia
8	Ethel M Tully	57	Wife	—	Massachusetts
9	Morena M Tully	19	Daughter	—	Wisconsin
10	Isabell Jane Tully	85	Mother	—	Nova Scotia
12	John Jensen THIS PERSON	58	Head	Tax Collector	Minnesota
13	Alice E Jensen	53	Wife	—	Ohio
14	Wendell Jensen	19	Son	—	Oregon
15	Kenneth E Nelson	24	Head	Station Attendant	North Dakota
16	Elizabeth B Nelson	21	Wife	—	Montana
17	Ernest D Michalson	27	Head	Salesman	Oregon
18	Helen Michalson	22	Wife	Secretary	Oregon
19	Francis P Porterfield	54	Head	Draftsman	Montana
20	Harriet D Watkins	29	Daughter	Saleslady	North Dakota
21	Rosemary Watkins	7	Granddaughter	—	Oregon
22	E. Joseph Lubick	51	Head	Proprietor	Missouri
23	Goldie D Lubick	46	Wife	—	Missouri
24	Harry Lubick	24	Son	Salesman	Missouri
25	William S Witt	22	Head	Salesman	Kentucky
26	Barbara S Witt	26	Wife	Saleslady	Washington
27	Charles E. D Mercer	52	Head	Engineering	Michigan
28	Maxine Mercer	36	Wife	—	Oregon
29	Leonard D Ruff	35	Head	Cook	Kansas
30	Minerva D Ruff	33	Wife	—	Indiana
31	Ritter, Marjorie Ruff	13	Daughter	—	Kansas
32	John D. D Mcquade	55	Head	Locomotive Engineer	Oregon
33	Cora L Mcquade	48	Wife	—	California
34	Vernon D Mcquade	27	Son	Cook	California
35	Edwin Lidell	57	Head	Meat Cutter	England
36	Emerson Lidell	18	Son	Salesman	Oregon
37	Jack D Smith	24	Head	Elevator Operator	Ohio
38	Evelyn D Smith	23	Wife	Waitress	Ohio
39	Earl O. D Immel	51	Head	Attorney	Michigan
40	Frances Immel	54	Wife	—	Oregon

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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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