RH
Robert Hamilton — 1930 US Census Record
Linked across censuses1930 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) — first a head (b.~1884), then head of a 4-person household.
Age 46
b. ~1884
Male
Head
Born: Scotland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mahoning, Ohio |
| Surname | Hamilton |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Machinist |
| Industry | Steel-Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9,000 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machinist |
| Township / Ward | Youngstown City |
| Est. Birth Year | ~1884 |
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
Head, age 35
Mahoning, Ohio · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Engineering Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1919 |
| Birthplace (normalized) | scotland |
1930
Mahoning, Ohio
Head, age 46
Mahoning, Ohio · implied b. ~1884 — 4 household members
| Surname | Hamilton |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Machinist |
| Industry | Steel-Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 9,000 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Mahoning-County, Ohio
Head, age 55
Mahoning-County, Ohio · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Robt |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Youngstown City |
| 1935 Residence (County) | Mahoning |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Hamilton
Head · 1930 · age 46 · b. ~1884 · Ohio
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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
1930 US Federal Census — Mahoning, Ohio
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 THIS PERSON | 46 | Head | Machinist | Scotland |
| 65 | Margaret Hamilton | 45 | Wife-H | — | Scotland |
| 66 | Mary Hamilton | 19 | Daughter | Clerk | Ohio |
| 67 | Robert Hamilton | 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
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)