Mary Buchanan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Benton-County, Oregon

Our Model Tree links this Mary Buchanan across the 1920, 1930 and 1940 US Censuses in Benton-County, Oregon (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 4-person household.

Age 45 b. ~1895 Female Spouse Born: Nebraska Married

1940 Census Record Details

Census Year	1940
Location	Benton-County, Oregon
Surname	Buchanan
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	No. Albany Area
1935 Residence (County)	Benton
Additional Details
Income (1939)	0
Highest Grade	No
1935 Residence	Same place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska
Township / Ward	No Albany Area
Est. Birth Year	~1895

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 Mary	Age	Birth yr
Joan Buchanan	Daughter	—	14	~1926
Thomas Buchanan	Son	—	22	~1918
Mary Buchanan	Spouse	—	45	~1895
John Buchanan	Head	—	52	~1888

Census Appearances

1920

Benton, Oregon

Spouse, age 25

Benton, Oregon · implied b. ~1895 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Buchanan
Given Name	Mary R
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Nebraska
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1930

Benton, Oregon

Other, age 35

Benton, Oregon · implied b. ~1895 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Buchanan
Given Name	Mary R
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Nebraska
Age at First Marriage	19
Father's Birthplace	Germany
Mother's Birthplace	Austria
Can Read/Write	Yes
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1940

Benton-County, Oregon

Spouse, age 45

Benton-County, Oregon · implied b. ~1895 — 4 household members

Surname	Buchanan
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	No. Albany Area
1935 Residence (County)	Benton
Income (1939)	0
Highest Grade	No
1935 Residence	Same place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Buchanan

Spouse · 1940 · age 45 · b. ~1895 · 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 — Benton-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03353-00344)

Line	Name	Age	Relation	Occupation	Birthplace
1	Esther Lucht	16	daughter	—	Oregon
2	Lucy Lucht	14	son	—	Oregon
3	Jean Lucht	6	daughter	—	Oregon
4	George B. Myers	42	Head	Mill Hand	Illinois
5	Martha Myers	34	wife	—	No. Dakota
6	Marquis Myers	12	daughter	—	No. Dakota
7	Richard L. Myers	10	son	—	No. Dakota
8	June Jean Myers	8	daughter	—	Oregon
9	John Buchanan	52	Head	Carpenter	Kansas
10	Mary Buchanan THIS PERSON	45	wife	—	Nebraska
11	Thomas Buchanan	22	son	—	Oregon
12	Joan Buchanan	14	daughter	—	Oregon
13	Mary Harder	73	Head	—	Nebraska
14	Elmer Harder	49	son	Farmer	Nebraska
15	Joseph C. Harder	48	son	Painter	Nebraska
16	William H. Lucht	69	Head	Farmer	Wisconsin
17	Bertha Lucht	59	wife	—	Wisconsin
18	Walter Lucht	18	son	Hired Hand	Oregon
19	Walter H. Whitehead	53	Head	Plumber	No. Dakota
20	Jennie Whitehead	59	wife	—	Missouri
21	David H. Patterson	58	Head	Asst Postmaster	California
22	Grace Patterson	43	wife	—	New York
23	Elmer L. Widmer	38	Head	Farmer	Oregon
24	Martha Widmer	36	wife	—	Washington
25	Ray Widmer	13	son	—	Oregon
26	Elaine Widmer	10	daughter	—	Oregon
27	Edward Widmer	7	son	—	Oregon
28	Thomas J. Cummings	75	Head	Farmer	Iowa
29	Henrietta Cummings	76	wife	—	Illinois
30	Ulysses G. Simmons	72	Head	Farmer	Iowa
31	Anna Simmons	75	wife	—	Germany
32	Dorothy Figpen	17	niece	—	Oregon
33	Uric G. Henagy	52	Head	Clerk	Missouri
34	Bertha A. Henagy	55	wife	—	Oregon
35	Raymond Henagy	25	son	Laborer	Oregon
36	Emma L. Henagy	22	daughter	—	Oregon
37	Agnes V. Henagy	21	daughter	—	Oregon
38	Clifford R. Henagy	18	son	—	Oregon
39	Mildred M. Henagy	17	daughter	—	Oregon
40	Percy A. Henagy	14	son	—	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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