John Chapman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Lincoln-County, Oregon

Our Model Tree links this John Chapman across the 1920, 1930 and 1940 US Censuses in Lincoln-County, Oregon (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.

Age 64 b. ~1876 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Lincoln-County, Oregon
Surname	Chapman
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	R
1935 Residence (County)	Linn
Additional Details
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	56
Income (1939)	0
Highest Grade	H 4
1935 Residence	Oregon
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Farmer
Township / Ward	Tum Tum Precinct
Est. Birth Year	~1876

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
John Chapman	Head	—	64	~1876
Elvin Chapman	Son	—	36	~1904
Charlie Chapman	Son	—	28	~1912
Elsie Chapman	Spouse	—	54	~1886

Census Appearances

1920

Lincoln, Oregon

Head, age 43

Lincoln, Oregon · implied b. ~1877 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Chapman
Given Name	John D
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Pennsylvania
Occupation	Logger
Industry	Lumber mill
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	M
Birth State	Ohio
Birth Country	United States
Year of Naturalization	O
Birthplace (normalized)	ohio

1930

Lincoln, Oregon

Head, age 54

Lincoln, Oregon · implied b. ~1876 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Chapman
Given Name	John O.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	27
Father's Birthplace	Indiana
Mother's Birthplace	Pennsylvania
Occupation	Logger
Industry	Logging Camp
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Lincoln-County, Oregon

Head, age 64

Lincoln-County, Oregon · implied b. ~1876 — 4 household members

Surname	Chapman
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	R
1935 Residence (County)	Linn
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	56
Income (1939)	0
Highest Grade	H 4
1935 Residence	Oregon
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Chapman 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 Chapman

Head · 1940 · age 64 · b. ~1876 · 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 — Lincoln-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03370-00497)

Line	Name	Age	Relation	Occupation	Birthplace
1	Scott Harmon	43	Head	Trucking	Oregon
2	Tressa Harmon	47	Wife	—	Michigan
3	John Leech	51	Head	Farmer	Oregon
4	Hattie Leech	47	Wife	Attendant	Oregon
5	Lois A. Leech	21	Daughter	Housework	Oregon
6	Charles Reese	50	Head	Farmer	Oregon
7	Hattie Reese	52	Wife	—	Oregon
8	John Q. Gabler	63	Head	Farmer	Switzerland
9	Eleanor Gabler	64	Wife	—	Wisconsin
10	John Mcneils	50	Head	Farmer	Texas
11	Gertrude Mcneils	44	Wife	—	Oklahoma
12	Ives E. Lloyd	21	Head	Farmer	New Mexico
13	Gladys Lloyd	18	Wife	—	New Mexico
14	Perry Downing	27	Head	Farmer	Oregon
15	Doris Downing	19	Wife	Saleslady	Oregon
16	Barba Downing	1	Daughter	—	Oregon
17	John Chapman THIS PERSON	64	Head	Farmer	Ohio
18	Elsie Chapman	54	Wife	—	Oregon
19	Elvin Chapman	36	Son	Ratchet Setter	Oregon
20	Charlie Chapman	28	Son	Logger	Oregon
21	Arthur Hope	65	Head	Farmer	N. Dakota
22	Annie Hope	40	Wife	—	Oregon
23	Violet Gustafson	6	Lodger	—	Oregon
24	John Q. Taylor	51	Head	Farmer	California
25	Fred Taylor	52	Brother	Laborer	California
26	Milton Lake	51	Head	Farmer	Michigan
27	Selina Lake	74	Mother	—	Michigan
28	Oscar Hoeflein	48	Head	Farmer	Oregon
29	Laura Hoeflein	44	Wife	—	Oregon
30	Oscar Jr. Hoeflein	11	Son	—	Oregon
31	George Hoeflein	10	Son	—	Oregon
32	Virginia Hoeflein	5	Daughter	—	Oregon
33	Ruby A. Collett	13	Step-daughter	—	Oregon
34	Godfrey Stutz	47	Head	Part Owner	Kansas
35	Gladys Stutz	28	Wife	—	Oregon
36	Edward Stutz	9	Son	—	Oregon
37	Leona Stutz	6	Daughter	—	Oregon
38	Donald Stutz	5	Son	—	Oregon
39	Raymond Dunbar	37	Head	Yarding Log	Michigan
40	Pliny Binford	61	Head	Farmer	Indiana

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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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