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Thomas Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Thomas Wallace across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Alma & Harry — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Wallace |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | machinist |
| Industry | trailer mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1305 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Cincinnati |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Wallace | Son | — | 5 | ~1935 |
| Thomas Wallace | Head | — | 31 | ~1909 |
| Velma Wallace | Daughter | — | 5 | ~1935 |
| Lena Wallace | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Hamilton, Ohio
Son, age 11
Hamilton, Ohio · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Thomas |
| 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 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Thomas H. |
| 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 | Machinist |
| Industry | Asphalt factory |
| 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 — 4 household members
| Surname | Wallace |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | machinist |
| Industry | trailer mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1305 |
| Highest Grade | No 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 Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Alma Wallace (~0.92 confidence) and father Harry Wallace (~0.92 confidence) and mother Celesta Wallace (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Alma Wallace
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Harry Wallace
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Celesta Wallace
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Wallace
Head · 1940 · age 31 · b. ~1909 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03199-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred Cook | 70 | Father-in-law | Stationary Engineer | Ohio |
| 42 | Tilly Cook | 67 | Mother-in-law | — | Ohio |
| 43 | Edward Gueding | 65 | Head | Painter | Ohio |
| 44 | Mollie Gueding | 63 | Wife | — | Kentucky |
| 45 | Lizzie Lambach | 66 | Head | — | Ohio |
| 46 | Edward Olding | 36 | Head | Canal Worker | Ohio |
| 47 | Ester Olding | 36 | Wife | — | Ohio |
| 48 | Shirley Ann Olding | 5 | Daughter | — | Ohio |
| 49 | William Cullen | 33 | Brother-in-law | Labor | Ohio |
| 50 | Ray Heron | 51 | Head | Restaurant Prop. | Ohio |
| 51 | Jessie Heron | 40 | Wife | — | Kentucky |
| 52 | Marie Stephens | 29 | Daughter | — | Kentucky |
| 53 | Grecien Stephens | 32 | Son-in-law | Standard Oil Station | Kentucky |
| 54 | Betty Ray Stephens | 7 | Granddaughter | — | Ohio |
| 55 | Paul Franke | 31 | Head | Labor | Ohio |
| 56 | Marie Franke | 28 | Wife | — | Kentucky |
| 57 | Jack Niell | 43 | Head | Painter | Ohio |
| 58 | Emma Bell Niell | 43 | Wife | — | Ohio |
| 60 | Stella Ritter | 56 | Head | — | Ohio |
| 61 | Elizabeth Casey | 35 | Daughter | Typist | Ohio |
| 62 | Russell Casey | 7 | Grandson | — | Ohio |
| 63 | Clayton Schulte | 48 | Head | Machinist | Kentucky |
| 64 | Mabel Schulte | 40 | Wife | — | Kentucky |
| 65 | Fred Ealsiger | 57 | Head | Coffee Salesman | Ohio |
| 66 | Anna Ealsiger | 55 | Wife | — | Ohio |
| 67 | Mable Mccormick | 30 | Boarder | Labor | Alabama |
| 68 | Carl Wilson | 14 | Nephew | — | Ohio |
| 69 | Elizabeth Shumard | 77 | Head | — | Ohio |
| 70 | Marie Wilson | 50 | Daughter | — | Kentucky |
| 72 | Carl Lutz | 40 | Head | Switchman | Kentucky |
| 73 | Clara Lutz | 45 | Wife | — | Indiana |
| 74 | Paul Halpin | 36 | Brother-in-law | Switchman | Ohio |
| 75 | Vera Halpin | 31 | Sister | — | Ohio |
| 76 | Donna Halpin | 2 | Niece | — | Ohio |
| 77 | Thomas Wallace THIS PERSON | 31 | Head | Machinist | Ohio |
| 78 | Lena Wallace | 26 | Wife | — | Kentucky |
| 79 | Velma Wallace | 5 | Daughter | — | Ohio |
| 80 | Thomas H. Wallace | 5 | Son | — | Ohio |
Pedigree Summary
Thomas
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 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)