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Robert Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Ohio
Our Model Tree links this Robert Wallace across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Ohio (XGBoost, ~Confirmed), with identified parents Robert & William — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Ohio |
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | M |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salem Township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Mechanic |
| Township / Ward | Salem Township |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Wallace | Head | — | 65 | ~1875 |
| John Wallace | Son | — | 25 | ~1915 |
| Robert Wallace | Son | — | 23 | ~1917 |
| Earl Wallace | Son | — | 36 | ~1904 |
| Ida Wallace | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Jefferson, Ohio
Son, age 3
Jefferson, Ohio · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jefferson, Ohio
Son, age 14
Jefferson, Ohio · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jefferson-County, Ohio
Son, age 23
Jefferson-County, Ohio · implied b. ~1917 — 5 household members
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | M |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salem Township |
| 1935 Residence (County) | Jefferson |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H-1 |
| 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 Robert Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Wallace (~0.92 confidence) and father William Wallace (~0.92 confidence) and father William Wallace (~0.92 confidence) and mother Ida Wallace (~0.92 confidence) and mother Annie Wallace (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Wallace
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Wallace
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Wallace
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Ida Wallace
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Annie Wallace
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wallace
Son · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
John Wallace
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Wallace
Sibling · 1940 · age 36
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
1940 US Federal Census — Jefferson-County, Ohio
Open full size
1940 US Federal Census — Jefferson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03090-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Roy Bell | 35 | Head | Laborer | Ohio |
| 42 | Bertha Bell | 37 | Wife | — | Ohio |
| 43 | Wilma Bell | 14 | Daughter | — | Ohio |
| 44 | Jean Bell | 13 | Daughter | — | Ohio |
| 45 | Betty Bell | 12 | Daughter | — | Ohio |
| 46 | Warren Bell | 9 | Son | — | Ohio |
| 47 | Marie Bell | 7 | Daughter | — | Ohio |
| 48 | Dora Bell | 3 | Daughter | — | Ohio |
| 49 | William Wallace | 65 | Head | Farmer | Ohio |
| 50 | Ida Wallace | 63 | Wife | — | Ohio |
| 51 | Earl Wallace | 36 | Son | — | Ohio |
| 52 | John Wallace | 25 | Son | Heater | Ohio |
| 53 | Robert Wallace THIS PERSON | 23 | Son | Mechanic | Ohio |
| 54 | Carl W. Skipper | 38 | Head | Rotary Shearman | Ohio |
| 55 | Mary Skipper | 26 | Wife | — | Ohio |
| 56 | William Waggoner | 72 | Head | Farmer | Ohio |
| 57 | Mary Waggoner | 68 | Wife | — | Ohio |
| 58 | Patsy Hayes | 34 | Head | Construction Steel Worker | West Virginia |
| 59 | Irene Hayes | 39 | Wife | — | Ohio |
| 60 | Thomas Blackburn | 66 | Head | — | Ohio |
| 61 | Lucy Carpenter | 26 | Daughter | — | Ohio |
| 62 | Russell Carpenter | 11 | Son | — | Ohio |
| 63 | Betty Carpenter | 9 | Daughter | — | Ohio |
| 64 | Edward Mcclelland | 54 | Head | Farmer | Ohio |
| 65 | Emma Mcclelland | 49 | Wife | — | Ohio |
| 66 | John H. Mcclelland | 25 | Son | Laborer | Ohio |
| 67 | Howard Mcclelland | 17 | Son | Farm Laborer | Ohio |
| 68 | Francis Mcclelland | 15 | Son | — | Ohio |
| 69 | Ernest Whitmore | 57 | Head | Laborer | Ohio |
| 70 | Myrtle Whitmore | 46 | Wife | — | Ohio |
| 71 | Clyde Whitmore | 17 | Son | — | Ohio |
| 72 | Philip Porter | 50 | Head | Laborer | Ohio |
| 73 | Julia Porter | 48 | Wife | — | Ohio |
| 74 | Charles Porter | 21 | Son | Electric Welder | Ohio |
| 75 | Franklin Porter | 15 | Son | — | Ohio |
| 76 | Evelyn Porter | 13 | Daughter | — | Ohio |
| 77 | Edward Porter | 10 | Son | — | Ohio |
| 78 | Randle Bonar | 69 | Head | — | Ohio |
| 79 | Mary Bonar | 68 | Wife | — | Ohio |
| 80 | John Dodds | 44 | Head | Night Watchman | Ohio |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 5 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)