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Thomas Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Hamilton, Ohio
Our Model Tree links this Thomas Thomas across the 1920, 1930 and 1940 US Censuses in Hamilton, Ohio (XGBoost, ~Confirmed), with identified parents Thos & Thomas — first a son (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Hamilton, Ohio |
| Surname | Thomas |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Clerk |
| Industry | Diamond Machine Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Edna Thomas | Daughter | — | 14 | ~1916 |
| Marie Thomas | Daughter | — | 23 | ~1907 |
| Thomas Thomas | Head | — | 56 | ~1874 |
| Marie Thomas | Other | — | 54 | ~1876 |
| Thomas Thomas | Son | — | 21 | ~1909 |
Census Appearances
1920
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Hamilton, Ohio
Son, age 21
Hamilton, Ohio · implied b. ~1909 — 5 household members
| Surname | Thomas |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Clerk |
| Industry | Diamond Machine Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 31
Hamilton-County, Ohio · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thames |
| Given Name | Thomas E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Occupation | Yard Clerk |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 75 |
| Income (1939) | 720 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Thomas Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thos Thomas (~0.92 confidence) and father Thomas Thomas (~0.92 confidence) and mother Marie Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thos Thomas
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Thomas Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Marie Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Thomas
Son · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Marie Thomas
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Thomas
Sibling · 1930 · age 14
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 — Hamilton, Ohio
Open full size
1930 US Federal Census — Hamilton, Ohio
Page Contents
15 people indexed on this census page (ia:1930:ohiocensus00reel1806:0898)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Schaefer | 35 | Wife-H | — | Ohio |
| 2 | Alice A Schaefer | 6 | Daughter | — | Ohio |
| 3 | Jean L Schaefer | 3 | Daughter | — | Ohio |
| 4 | Thomas L Thomas | 56 | Head | Manager | Ohio |
| 5 | Marie M Thomas | 54 | Wife-H | — | Ohio |
| 6 | Marie E Thomas | 23 | Daughter | Bookkeeper | Ohio |
| 7 | Thomas J Thomas THIS PERSON | 21 | Son | Clerk | Ohio |
| 8 | Edna B Thomas | 14 | Daughter | — | Ohio |
| 9 | Erik G Guldbrand | 42 | Head | — | Sweden |
| 10 | Greta M Guldbrand | 52 | Wife-H | — | Russia |
| 11 | Lars N Guldbrand | 7 | Son | — | Ohio |
| 12 | George J Stephens | 22 | Head | Clerk | Ohio |
| 13 | Olive M Stephens | 18 | Wife-H | — | Wisconsin |
| 14 | Charles L Rowalle | 49 | Head | Engineer | New York |
| 15 | Mary E Rowalle | 48 | Wife-H | — | Ohio |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 3 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)