Robert Hamilton — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Mahoning, Ohio

Our Model Tree links this Robert Hamilton across the 1920, 1930 and 1940 US Censuses in Mahoning, Ohio (XGBoost, ~Confirmed), with identified parents Robt & Margaret — first a son (b.~1915), then head of a 4-person household.

Age 15 b. ~1915 Male Son Born: Ohio Single

1930 Census Record Details

Census Year	1930
Location	Mahoning, Ohio
Surname	Hamilton
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Youngstown City
Est. Birth Year	~1915

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 1930 census.

Name	Relation to head	Relative to Robert	Age	Birth yr
Mary Hamilton	Daughter	—	19	~1911
Robert Hamilton	Head	—	46	~1884
Margaret Hamilton	Other	—	45	~1885
Robert Hamilton	Son	—	15	~1915

Census Appearances

1920

Mahoning, Ohio

Son, age 5

Mahoning, Ohio · implied b. ~1915 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	5
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	none
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Mahoning, Ohio

Son, age 15

Mahoning, Ohio · implied b. ~1915 — 4 household members

Surname	Hamilton
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Mahoning-County, Ohio

Son, age 25

Mahoning-County, Ohio · implied b. ~1915 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Robt B.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Youngstown City
1935 Residence (County)	Mahoning
Occupation	New Worker
Class of Worker	0
Highest Grade	7
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Robt Hamilton

b. ~1885

Source father

● Household · direct · ~0.92

Mother

Margaret Hamilton

b. ~1885

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Hamilton

Son · 1930 · age 15 · b. ~1915 · Ohio

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Sibling

Mary Hamilton

Sibling · 1930 · age 19

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 — Mahoning, Ohio Open full size

Page Contents

36 people indexed on this census page (ia:1930:ohiocensus00reel1846:0746)

Line	Name	Age	Relation	Occupation	Birthplace
51	Laura R Bevis	24	Daughter	Clerk	Pennsylvania
52	Jack M Bevis	6	Son	—	Ohio
53	William B Bevis	4	Son	—	Ohio
54	Simon J Eich	71	Head	Contractor	Pennsylvania
55	Rose Eich	70	Wife-H	—	Pennsylvania
56	Henry D Jones	35	Head	Steelworker	Ohio
57	Juanita Jones	32	Wife-H	—	Ohio
58	Amanda Jones	4	Daughter	—	Ohio
59	Richard H Benton	30	Head	Manager	England
60	Agnes C Benton	24	Wife-H	—	Pennsylvania
61	Fred D Spencer	53	Head	Carpenter	Pennsylvania
62	Mary Spencer	52	Wife-H	—	Ohio
63	Charles Spencer	23	Son	Architect	Ohio
64	Robert Hamilton	46	Head	Machinist	Scotland
65	Margaret Hamilton	45	Wife-H	—	Scotland
66	Mary Hamilton	19	Daughter	Clerk	Ohio
67	Robert Hamilton THIS PERSON	15	Son	—	Ohio
68	Lars Carlson	65	Head	Janitor	Sweden
69	Clara Carlson	69	Wife-H	—	Sweden
70	Elmer Carlson	37	Son	Plumber	Pennsylvania
71	Freeman J Baker	46	Head	Shipper	Ohio
72	Kittie Baker	31	Wife-H	—	Pennsylvania
73	Freeman J Jr Baker	13	Son	—	Ohio
74	Richard H Baker	8	Son	—	Ohio
75	Betty J Baker	1	Daughter	—	Ohio
76	John Subray	50	Head	Machinist	Hungary
77	Elizabeth Subray	50	Wife-H	—	Hungary
78	John Jr Subray	29	Son	Engineer	Hungary
79	Rudolph S Eckert	49	Head	Upholsterer	Ohio
80	Margaret Eckert	45	Wife-H	—	Ohio
81	Samuel M Eckert	23	Son	Upholsterer	Ohio
82	Wilfred R Eckert	18	Son	Helper	Ohio
83	Raymond Eckert	14	Son	—	Ohio
84	Lollis R Eckert	12	Son	—	Ohio
85	William G Eckert	9	Son	—	Ohio
86	Peggy Eckert	5	Daughter	—	Ohio

Related Census Records

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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 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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