Marvin Smith — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Darke-County, Ohio

Our Model Tree links this Marvin Smith across the 1920, 1930 and 1940 US Censuses in Darke-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Almira — first a head (b.~1906), then head of a 7-person household.

Age 34 b. ~1906 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Darke-County, Ohio
Surname	Smith
Given Name	Marvin
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Adams Tp
1935 Residence (County)	Darke
Additional Details
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	8
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Farming
Township / Ward	Adams Tp
Est. Birth Year	~1906

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.

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

Name	Relation to head	Relative to Marvin	Age	Birth yr
Marvin Smith	Head	—	34	~1906
Mary Smith	Spouse	—	33	~1907
Arline Smith	Daughter	—	9	~1931
Lowell Smith	Son	—	10	~1930
Maxine Smith	Daughter	—	8	~1932
Jackie Smith	Son	—	6	~1934
Marion Smith	Son	—	12	~1928

Census Appearances

1920

Darke, Ohio

Son, age 13

Darke, Ohio · implied b. ~1907 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Marvin
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Darke, Ohio

Head, age 24

Darke, Ohio · implied b. ~1906 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Marvin
Relationship to Head	Head
Sex	M
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	19
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Farmer
Industry	General farm
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Veteran	No
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Darke-County, Ohio

Head, age 34

Darke-County, Ohio · implied b. ~1906 — 7 household members

Surname	Smith
Given Name	Marvin
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Adams Tp
1935 Residence (County)	Darke
Occupation	Farming
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	8
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Charles Smith

b. ~1857

Source father

● Household · direct · ~0.92

Mother

Almira Smith

b. ~1863

Source mother

● Household · direct · ~0.92

This person

Anchor record

Marvin Smith

Head · 1940 · age 34 · b. ~1906 · Ohio

★ 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 — Darke-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03060-00053)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mable Gibony	7	Daughter	—	Ohio
42	Allen G Gibbony	44	Head	Raising Farming	Ohio
43	Lelia Gibbony	44	Wife	—	Ohio
44	Mary Gibbony	19	Daughter	—	Ohio
45	Bruce Gibbony	16	Son	—	Ohio
46	Clerance Gibbony	14	Son	—	Ohio
47	Malcum Gibbony	11	Son	—	Ohio
48	Harvey Razor	51	Head	Farming	Ohio
49	Vertie G Razor	45	Wife	—	Ohio
50	Omer Razor	21	Son	—	Ohio
51	Leo Razor	18	Son	Laborer	Ohio
52	Ellen Razor	13	Daughter	—	Ohio
53	Ollie Razor	12	Son	—	Ohio
54	H A Brown	57	Head	Farming	Ohio
55	Alta Brown	57	Wife	—	Indiana
56	James Brown	17	Son	—	Ohio
57	Kenneth Brown	15	Son	Laborer	Ohio
58	Ruben Price	53	Head	Farming	Ohio
59	Bertha Price	53	Wife	—	Ohio
60	Huber Mack	50	Head	Farming	Ohio
61	Myrtle Mack	45	Wife	—	Ohio
62	Harold Mack	10	Son	—	Ohio
63	John Mack	7	Son	—	Ohio
64	Ronald Mack	6	Son	—	Ohio
65	Ida Smith	49	Head	—	Ohio
66	Charles Smith	83	Father	—	Ohio
67	Jesse Bashore	39	Head	Farming	Ohio
68	Lova Bashore	36	Wife	—	Ohio
69	Bertha Exman	14	Daughter	—	Ohio
70	Ester Exman	12	Daughter	—	Ohio
71	Harvey Price	24	Head	Farming	Ohio
72	Hilda Price	24	Wife	—	Ohio
73	Marvin Smith THIS PERSON	34	Head	Farming	Ohio
74	Mary Smith	33	Wife	—	Ohio
75	Marion J Jr Smith	12	Son	—	Ohio
76	Lowell Smith	10	Son	—	Ohio
77	Maxine Smith	8	Daughter	—	Ohio
78	Arline Smith	9	Daughter	—	Ohio
79	Jackie Smith	6	Son	—	Ohio
80	Lova Bashore	60	Head	—	Ohio

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Pedigree Summary

Marvin

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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