Robert Hoffman — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Seneca-County, Ohio

Our Model Tree links this Robert Hoffman across the 1920, 1930 and 1940 US Censuses in Seneca-County, Ohio (XGBoost, ~Confirmed), with identified parents Emory & Minnie — first a son (b.~1917), then head of a 4-person household.

Age 23 b. ~1917 Male Son Born: Ohio Single

1940 Census Record Details

Census Year	1940
Location	Seneca-County, Ohio
Surname	Hoffman
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	23
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Clinton twp.
1935 Residence (County)	Seneca
Additional Details
Occupation	Tree surgery
Class of Worker	PW
Hours Worked	40
Income (1939)	700
Highest Grade	H 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Tree Surgery
Township / Ward	Clinton Twp
Est. Birth Year	~1917

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 Robert	Age	Birth yr
Emory Hoffman	Head	—	60	~1880
Robert Hoffman	Son	—	23	~1917
Minnie Hoffman	Spouse	—	60	~1880
Alice Hoffman	Daughter	—	25	~1915

Census Appearances

1920

Seneca, Ohio

Son, age 3

Seneca, Ohio · implied b. ~1917 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	3
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Seneca, Ohio

Son, age 13

Seneca, Ohio · implied b. ~1917 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffman
Given Name	Robert
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/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Seneca-County, Ohio

Son, age 23

Seneca-County, Ohio · implied b. ~1917 — 4 household members

Surname	Hoffman
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	23
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Clinton twp.
1935 Residence (County)	Seneca
Occupation	Tree surgery
Class of Worker	PW
Hours Worked	40
Income (1939)	700
Highest Grade	H 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Emory Hoffman

b. ~1880

Source father

● Household · direct · ~0.92

Mother

Minnie Hoffman

b. ~1880

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Hoffman

Son · 1940 · age 23 · b. ~1917 · Ohio

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Sibling

Alice Hoffman

Sibling · 1940 · age 25

Source co-child of head (derived)

● Co-child · derived · ~0.88

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Seneca-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03144-00142)

Line	Name	Age	Relation	Occupation	Birthplace
1	Russell Bretz	32	Son	Farm	Ohio
2	Mabel Bretz	20	Daughter	Housework	Ohio
3	Helen Bretz	15	Daughter	—	Ohio
4	Nelson Depew	57	Head	Farm	Ohio
5	Elva A. Depew	50	Wife	—	Ohio
6	Norman Depew	15	Son	—	Ohio
7	Albert Depew	55	Brother	Farm Hand	Ohio
8	Hershel Crum	35	Head	Salesman	Ohio
9	Gilda Crum	32	Wife	—	Ohio
10	Nancy Lee Crum	6	Daughter	—	Ohio
11	Herbert Crum	4	Son	—	Ohio
12	Robert Kuhn	23	Hired man	Farm	Ohio
13	Clarence Baker	57	Head	Farm	Michigan
14	Tessa Baker	59	Wife	—	Ohio
15	Arthur Baker	26	Son	Trucker	Ohio
16	Raymond Baker	21	Son	Farmer	Ohio
17	Dallas Knappenberger	82	Head	Farm	Ohio
18	Martha Knappenberger	74	Wife	—	Ohio
19	Arthur Cramer	58	Head	Farm	Ohio
20	Edna Cramer	57	Wife	—	Ohio
21	Robert Cramer	21	Son	Clerk	Ohio
22	Thom Roos	62	Head	Farmer	Ohio
23	Catharine Roos	57	Wife	—	Ohio
24	Sylvester Roos	32	Son	Farm Hand	Ohio
25	Cecelia Roos	30	Daughter	Factory	Ohio
26	Rose Roos	18	Daughter	—	Ohio
27	Harrison Riley	21	Hired man	Farm Hand	Ohio
28	Emory Hoffman	60	Head	Farmer	Ohio
29	Minnie Hoffman	60	Wife	—	Ohio
30	Alice Hoffman	25	Daughter	Teacher	Ohio
31	Robert Hoffman THIS PERSON	23	Son	Tree Surgery	Ohio
32	Louis Mcdonald	30	Head	Maintenance	Pennsylvania
33	Florence Mcdonald	33	Wife	—	Ohio
34	Robert Mcdonald	6	Son	—	Ohio
35	Audrey Mcdonald	3	Daughter	—	Ohio
36	Albert Eaves	65	Head	Farmer	Ohio
37	Elizabeth Eaves	62	Wife	—	Ohio
38	Albert Eaves	22	Son	Wood Worker	Ohio
39	Alvern Eaves	19	Son	Farm Work	Ohio
40	Asa Lawald	42	Head	Window Washer	Ohio

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Pedigree Summary

Robert + 1 sibling

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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