Donald Peterson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this Donald Peterson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Axel & Christine — first a son (b.~1914), then head of a 3-person household.

Age 26 b. ~1914 Male Son Born: Oregon Single

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Peterson
Given Name	Donald A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Additional Details
Occupation	Contractor
Industry	Heating & Ventilating
Class of Worker	OA
Hours Worked	40
Highest Grade	Hs 4
1935 Residence	Same Place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Occupation	Contractor
Township / Ward	Portland City
Est. Birth Year	~1914

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 Donald	Age	Birth yr
Christine Peterson	Spouse	—	54	~1886
Axel Peterson	Head	—	54	~1886
Donald Peterson	Son	—	26	~1914

Census Appearances

1920

Multnomah, Oregon

Son, age 5

Multnomah, Oregon · implied b. ~1915 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Donald
Relationship to Head	Son
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Multnomah, Oregon

Son, age 16

Multnomah, Oregon · implied b. ~1914 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Donald A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Messenger
Industry	Street
Class of Worker	W
Can Read/Write	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Multnomah-County, Oregon

Son, age 26

Multnomah-County, Oregon · implied b. ~1914 — 3 household members

Surname	Peterson
Given Name	Donald A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland city
1935 Residence (County)	Multnomah
Occupation	Contractor
Industry	Heating & Ventilating
Class of Worker	OA
Hours Worked	40
Highest Grade	Hs 4
1935 Residence	Same Place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Model Tree available

Our Model Tree links Donald Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Peterson (~0.92 confidence) and mother Christine Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Axel Peterson

b. ~1886

Source father

● Household · direct · ~0.92

Mother

Christine Peterson

b. ~1886

Source mother

● Household · direct · ~0.92

This person

Anchor record

Donald Peterson

Son · 1940 · age 26 · b. ~1914 · Oregon

★ You are viewing this record

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

36 people indexed on this census page (nara:1940:m-t0627-03387-00119)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charles J. Levey	57	Head	Dept Manager	New York
2	Henrietta M. Levey	46	Wife	—	Washington
3	George P. Matthies	51	Head	Postal Employee	Colorado
4	Rose Matthies	45	Wife	—	Washington
5	Emma Trappe	75	Head	—	Germany
6	Marie Trappe	43	Daughter	Clerical	Oregon
7	Roderick M. Thomas	25	Head	Salesman	Oregon
8	Lucile B. Thomas	27	Wife	—	Georgia
9	Roderick M. Thomas	1	Son	—	Oregon
10	Dudley B. Thomas	0	Son	—	Oregon
11	Stewart Du Brissay	34	Head	Bookkeeper	Canada Eng
12	Elizabeth M. Du Brissay	27	Wife	—	North Ireland
13	Stewart E. Du Brissay	1	Son	—	Oregon
14	Adrian J. Johannsen	47	Head	Partner	Holland
15	Mildred E. Johannsen	43	Wife	—	Oregon
16	Edward A. Johannsen	16	Son	Assistant To Father	Oregon
17	Mildred Hawes	74	Mother-in-law	—	Oregon
18	Axel Peterson	54	Head	Contractor	Sweden
19	Christine S. Peterson	54	Wife	—	Sweden
20	Donald A. Peterson THIS PERSON	26	Son	Contractor	Oregon
21	Verl V. Tindall	39	Head	Driver	Oregon
22	Bernice L. Tindall	34	Wife	—	Oregon
23	Donald L. Tindall	8	Son	—	Oregon
24	Ronald V. Tindall	7	Son	—	Oregon
25	Donald C. Cowan	43	Head	Salesman	Oregon
26	Lois J. Cowan	42	Wife	—	Oregon
27	Donald M. Cowan	15	Son	Carrier	Oregon
28	James W. Cowan	14	Son	—	Oregon
29	Bruce W. Cowan	12	Son	—	Oregon
30	Emily Herkeman	86	Head	—	Illinois
31	Ida M. Kramer	78	Housekeeper	Housekeeper	Germany
32	Julius A. Brandes	47	Head	Part Owner	Oregon
33	Clara M. Brandes	48	Wife	Baker	Iowa
34	Richard S. Brandes	22	Son	Clerk	Oregon
35	Elnor J. Brandes	21	Daughter	—	Oregon
36	G. George	77	Father	—	Germany

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Pedigree Summary

Donald

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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