John Curtis — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this John Curtis across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Clarence & Stella — first a head (b.~1910), then head of a 5-person household.

Age 30 b. ~1910 Male Head Born: Oregon Married

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Curtis
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Kilpatrick Collins Precinct
1935 Residence (County)	Multnomah
Additional Details
Occupation	Laborer
Industry	Contractor
Class of Worker	PW
Hours Worked	30
Income (1939)	425
Highest Grade	H 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Occupation	Laborer
Township / Ward	Kilpatrick Collins Precinct
Est. Birth Year	~1910

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.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Patricia Curtis	Daughter	—	6	~1934
Mitchell Curtis	Daughter	—	5	~1935
John Curtis	Head	—	30	~1910
Scott Curtis	Son	—	1	~1939
Marjorie Curtis	Spouse	—	30	~1910

Census Appearances

1920

Multnomah, Oregon

Son, age 10

Multnomah, Oregon · implied b. ~1910 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Curtis
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	10
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Illinois
Mother's Birthplace	Missouri
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Multnomah, Oregon

Son, age 20

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

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Curtis
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	20
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Illinois
Mother's Birthplace	Missouri
Occupation	Wireman
Industry	Electric Co.
Class of Worker	W
Can Read/Write	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Multnomah-County, Oregon

Head, age 30

Multnomah-County, Oregon · implied b. ~1910 — 5 household members

Surname	Curtis
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Kilpatrick Collins Precinct
1935 Residence (County)	Multnomah
Occupation	Laborer
Industry	Contractor
Class of Worker	PW
Hours Worked	30
Income (1939)	425
Highest Grade	H 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Clarence Curtis

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Stella Curtis

b. ~1884

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Curtis

Head · 1940 · age 30 · b. ~1910 · 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

37 people indexed on this census page (nara:1940:m-t0627-03377-00542)

Line	Name	Age	Relation	Occupation	Birthplace
1	Betty Allen	14	daughter	—	Oregon
2	Clifford Cozad	42	Head	Gardner	Pennsylvania
3	Edna Cozad	41	wife	—	Minnesota
4	Herbert Cozad	24	son	Laborer	Washington
5	Robert Cozad	21	son	Mechanic	Oregon
6	Edward Cozad	8	son	—	Oregon
7	Frederick Graddy	34	Head	Roofer	Oregon
8	Alma Graddy	30	wife	—	Oklahoma
9	Ralph Graddy	10	son	—	Oregon
10	Carol Graddy	5	daughter	—	Oregon
11	Daniel Graddy	1	son	—	Oregon
12	Jerry Preston	43	Head	Machinist	Kansas
13	Marie Preston	33	wife	—	Oregon
14	Richard Preston	2	son	—	Oregon
15	John Curtis THIS PERSON	30	Head	Laborer	Oregon
16	Marjorie Curtis	30	wife	—	Oregon
17	Patricia Curtis	6	daughter	—	Oregon
18	Mitchell Curtis	5	daughter	—	Oregon
19	Scott Curtis	1	son	—	Oregon
20	John Dumpler	36	Head	Truck Driver	New York
21	Dorothy Dumpler	33	wife	—	Illinois
22	Jack Dumpler	11	son	—	Oregon
23	Buddy Dumpler	9	son	—	Oregon
24	Phyllis Dumpler	5	daughter	—	Oregon
25	Edward Irving	67	Head	—	Iowa
26	Minnie A. Irving	69	wife	—	Ohio
27	Mandy Tarbox	66	Head	—	Montana
28	Richard Tarbox	16	son	—	Oregon
29	Robert Tarbox	14	son	—	Oregon
30	Lorin Tarbox	13	son	—	Oregon
31	Anton Chalker	34	Head	Mechanic	Oregon
32	Rita Chalker	26	wife	Novelty Work	Oregon
33	Robert Myers	27	Head	Stationary Engineer	Oregon
34	Dorothy Myers	27	wife	—	Oregon
35	David W. Myers	5	son	—	Oregon
36	Darrell W. Myers	4	son	—	Oregon
37	George Dent	47	Head	Mechanic Auto	Texas

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Pedigree Summary

John

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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