James Peterson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this James Peterson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 3-person household.

Age 31 b. ~1909 Male Head Born: Washington Married

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Peterson
Given Name	James T.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Portland City
1935 Residence (County)	Multnomah
Additional Details
Occupation	Stationary Engineer
Industry	Woolen Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	1780
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Occupation	Stationary Engineer
Township / Ward	Portland City
Est. Birth Year	~1909

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 James	Age	Birth yr
James Peterson	Head	—	31	~1909
James Peterson	Son	—	7	~1933
Hazel Peterson	Spouse	—	29	~1911

Census Appearances

1920

Multnomah, Oregon

Other, age 10

Multnomah, Oregon · implied b. ~1910 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	James
Relationship to Head	step-son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Washington
Father's Birthplace	Norway
Mother's Birthplace	Belgium
Occupation	none
Speaks English	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1930

Multnomah, Oregon

Other, age 21

Multnomah, Oregon · implied b. ~1909 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	James
Relationship to Head	Step-son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Washington
Father's Birthplace	Wisconsin
Mother's Birthplace	Belgium
Occupation	Laborer
Industry	Box Fact.
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

Multnomah-County, Oregon

Head, age 31

Multnomah-County, Oregon · implied b. ~1909 — 3 household members

Surname	Peterson
Given Name	James T.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Portland City
1935 Residence (County)	Multnomah
Occupation	Stationary Engineer
Industry	Woolen Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	1780
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Linked across censuses

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

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This person

Anchor record

James Peterson

Head · 1940 · age 31 · b. ~1909 · 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 — Multnomah-County, Oregon Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-03394-00559)

Line	Name	Age	Relation	Occupation	Birthplace
41	Vivian S. Bowen	58	Wife	—	Minnesota
42	John L. Lindley	70	Head	—	Oregon
43	Almira Lindley	67	Wife	—	Ohio
44	William O. Parrish	72	Head	—	Nevada
45	Emma B. Parrish	68	Wife	—	Missouri
46	Lyrell H. Tilden	46	Head	Credit Man	Oregon
47	Hazel F. Tilden	31	Wife	—	Washington
49	Daphne F. James	40	Head	Su.	Utah
51	Rose Erickson	32	Head	Housekeeper	California
52	Virginia Leesma	22	Sister	Stenographer	Oregon
53	James T. Peterson THIS PERSON	31	Head	Stationary Engineer	Washington
54	Hazel F. Peterson	29	Wife	—	Idaho
55	James D. Peterson	7	Son	—	Oregon
56	Leslie R. Harnes	48	Head	Gas Maker	Arkansas
57	Alice E. Harnes	33	Wife	—	Canada English
58	Lois M. Harnes	11	Daughter	—	Oregon
59	Park R. Newgent	59	Head	Park Laborer	Missouri
60	Marie A. Newgent	38	Wife	—	Switzerland
61	Donald A. Newgent	17	Son	New Worker	Oregon
62	Genevieve M. Newgent	13	Daughter	—	Oregon
63	Gilbert C. Alderton	61	Head	Chore Laborer	New York
64	John C. John	26	Head	Bar Tender	Canada English
65	Patrick Taylor	45	Head	Lumberjack	N. Carolina
66	Margaret Stewart	53	Head	—	Nebraska
67	Fred M. Stewart	30	Son	Farm Laborer	Nebraska
68	Clarence A. Stewart	27	Son	Factory Laborer	Nebraska
69	Ralph H. Stewart	25	Son	Ship Laborer	Nebraska
70	Harry C. Eggerstedt	55	Head	Longshoreman	Germany
71	Lillian Eggerstedt	60	Wife	—	Missouri
72	Grady Banks	37	Head	Tin Smith	Oklahoma
73	Edith Banks	41	Wife	—	Kansas
74	Orin A. Shirley	22	Lodger	Tractor Driver	Mississippi
75	Charles F. Portent	59	Head	Sewer Maintenance	Michigan
76	Mary J. Portent	45	Wife	—	Montana
77	Beulah M. Portent	20	Daughter	Biscuit Packer	Montana
78	Violet R. Portent	18	Daughter	New Worker	Montana
79	Vera M. Portent	16	Daughter	—	Oregon
80	Andrew J. Guler	54	Head	Carpenter	Switzerland

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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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