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Robert Hoffman — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Lucas, Ohio

Our Model Tree links this Robert Hoffman across the 1930 and 1940 US Censuses in Lucas, Ohio (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 12-person household.

Age 7 b. ~1923 Male Son Born: Ohio Single

1930 Census Record Details

Census Year	1930
Location	Lucas, Ohio
Surname	Hoffman
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Toledo
Est. Birth Year	~1923

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.

12 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Robert	Age	Birth yr
Helen Maroda	Spouse	—	30	~1900
Lillie Hoffman	Spouse	—	48	~1882
George Maroda	Son	—	7	~1923
Michael Hoffman	Son	—	25	~1905
George Maroda	Other	—	36	~1894
Howard Hoffman	Son	—	15	~1915
Madeline Hoffman	Daughter	—	11	~1919
Amos Hoffman	Son	—	17	~1913
Thelma Hoffman	Daughter	—	19	~1911
Rose Maroda	Daughter	—	9	~1921
Robert Hoffman	Son	—	7	~1923
Michael Hoffman	Head	—	63	~1867

Census Appearances

1930

Lucas, Ohio

Son, age 7

Lucas, Ohio · implied b. ~1923 — 12 household members

Surname	Hoffman
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	7
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

Lucas-County, Ohio

Son, age 16

Lucas-County, Ohio · implied b. ~1924 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hoffmann
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	R
1935 Residence (County)	Lucas
Occupation	assistant
Industry	own grocery
Class of Worker	NP
Hours Worked	29
Income (1939)	0
Highest Grade	H 1
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Robert Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Robert Hoffman

Son · 1930 · age 7 · b. ~1923 · Ohio

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Sibling

Rose Maroda

Sibling · 1930 · age 9

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Amos Hoffman

Sibling · 1930 · age 17

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Michael Hoffman

Sibling · 1930 · age 25

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Thelma Hoffman

Sibling · 1930 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

George Maroda

Sibling · 1930 · age 7

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Madeline Hoffman

Sibling · 1930 · age 11

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Howard Hoffman

Sibling · 1930 · age 15

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

1930 US Federal Census — Lucas, Ohio Open full size

Page Contents

45 people indexed on this census page (ia:1930:ohiocensus00reel1840:0445)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alex Szakonatz	45	Head	Watchman	Hungary
2	Theresa Szakonatz	41	Wife	—	Hungary
3	Alex Szakonatz	19	Son	—	Ohio
4	William Szakonatz	17	Son	—	Ohio
5	Irene Szakonatz	11	Daughter	—	Ohio
6	Helen Szakonatz	4	Daughter	—	Ohio
12	Frederick Tschorne	39	Head	Car Repair	Jugo Slavia
13	Frederick Tschorne	13	Son	—	Ohio
14	Florianna Tschorne	36	Wife	—	Jugo Slavia
15	Marie Tschorne	10	Daughter	—	Ohio
16	Albert Tschorne	8	Son	—	Ohio
17	Steve Kovacs	36	Head	Repair	Hungary
18	Margaret Kovacs	26	Wife	Glasser	Hungary
19	Matilda Kovacs	5	Daughter	—	Hungary
20	Irene Kovacs	0	Daughter	—	Ohio
21	Charles Schaefer	63	Head	Laborer	Ohio
22	Leo Schaefer	56	Brother	Car Repair	Ohio
23	Bernard Schaefer	43	Head	Cabinet Maker	Ohio
24	Mary V. Schaefer	44	Wife	—	Ohio
25	Robert Schaefer	4	Son	—	Ohio
26	Gottlieb Maier	31	Head	Metal Finisher	Ohio
27	Ruth Maier	24	Wife	—	Pennsylvania
28	Lillian Maier	8	Son	—	Pennsylvania
29	Walter Maier	6	Son	—	Pennsylvania
30	George Maier	3	Son	—	Ohio
31	Pearl Maier	1	Daughter	—	Ohio
32	Martin Votruha	34	Head	Laborer	Czechoslovakia
33	Mary Votruha	34	Wife	—	Czechoslovakia
34	Martin Votruha	6	Son	—	Czechoslovakia
35	Stanley Votruha	4	Son	—	Czechoslovakia
36	Frank Votruha	42	Brother	Machinist	Czechoslovakia
37	Michael Hoffman	63	Head	Pipefitter	Ohio
38	Lillie Hoffman	48	Wife	—	Ohio
39	Michael Jr. Hoffman	25	Son	Truck Driver	Ohio
40	Thelma Hoffman	19	Daughter	—	Ohio
41	Amos Hoffman	17	Son	Firelighter	Ohio
42	Howard Hoffman	15	Son	—	Ohio
43	Robert Hoffman THIS PERSON	7	Son	—	Ohio
44	Madeline Hoffman	11	Daughter	—	Ohio
45	George Maroda	36	—	Auto Worker	Hungary
46	Helen Maroda	30	Wife	—	Czechoslovakia
47	Rose Maroda	9	Daughter	—	Ohio
48	George Maroda	7	Son	—	Ohio
49	George Nemeth	23	Head	Trucking	Ohio
50	Rose Nemeth	22	Wife	—	Ohio

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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