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William Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this William Wallace across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Sue & Robert — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | De Soto |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Laborer |
| Industry | CCC project |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 90 |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Kirkwood City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Herthel Wallace | Daughter | — | 24 | ~1916 |
| Ollie Wallace | Daughter | — | 14 | ~1926 |
| Sue Wallace | Head | — | 56 | ~1884 |
| Archie Wallace | Son | — | 27 | ~1913 |
| Vernon Wallace | Son | — | 18 | ~1922 |
| Arnold Wallace | Son | — | 20 | ~1920 |
| William Wallace | Son | — | 22 | ~1918 |
Census Appearances
1920
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 12
St Louis, Missouri · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | William B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 22
St.-Louis-County, Missouri · implied b. ~1918 — 7 household members
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | De Soto |
| 1935 Residence (County) | Jefferson |
| Occupation | Laborer |
| Industry | CCC project |
| Class of Worker | GW |
| Hours Worked | 3 |
| Income (1939) | 90 |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 William Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sue Wallace (~0.92 confidence) and father Robert Wallace (~0.92 confidence) and mother Margaret Wallace (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sue Wallace
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Robert Wallace
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Margaret Wallace
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Wallace
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Vernon Wallace
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ollie Wallace
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Archie Wallace
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Wallace
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herthel Wallace
Sibling · 1940 · age 24
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02147-00198)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Lemmon | 7 | Son | — | Missouri |
| 2 | Mary Alice Lemmon | 5 | Daughter | — | Missouri |
| 3 | Mae Maggie Lemmon | 10 | Daughter | — | Missouri |
| 4 | William E. Hall | 27 | Head | Principal | Missouri |
| 5 | Estella Hall | 24 | Wife | — | Kentucky |
| 6 | Sue Wallace | 56 | Head | — | Missouri |
| 7 | Archie Wallace | 27 | Son | Street Construction | Missouri |
| 8 | Herthel Wallace | 24 | Daughter | Maid | Missouri |
| 9 | William Wallace THIS PERSON | 22 | Son | Laborer | Missouri |
| 10 | Arnold Wallace | 20 | Son | Attendant | Missouri |
| 11 | Vernon Wallace | 18 | Son | Janitor Work | Missouri |
| 12 | Ollie Wallace | 14 | Daughter | — | Missouri |
| 13 | Elmer Powell | 54 | Head | Unskilled Laborer | Missouri |
| 14 | Eliza Powell | 50 | Wife | Laundress | Tennessee |
| 15 | Jan Pleasant | 13 | Lodger | — | Missouri |
| 16 | Iloria Pleasant | 8 | Lodger | — | Missouri |
| 17 | Wilma Pleasant | 6 | Lodger | — | Missouri |
| 18 | Eula Ewing | 50 | Lodger | Housekeeper | Tennessee |
| 19 | William Collins | 80 | Head | — | Alabama |
| 20 | Hettie Collins | 76 | Wife | — | Alabama |
| 21 | Mary Lacy | 61 | Head | Laundress | Alabama |
| 22 | Daniel Beckman | 45 | Head | Department Repairman | Missouri |
| 23 | Alice Beckman | 49 | Wife | — | Missouri |
| 24 | Robert Beckman | 21 | Son | Carrier | Missouri |
| 25 | Florence Beckman | 14 | Daughter | — | Missouri |
| 26 | Herbert Ruckman | 36 | Head | Salesman | Indiana |
| 27 | Elsie B. Ruckman | 35 | Wife | — | Missouri |
| 28 | Herbert R. Ruckman | 3 | Son | — | Indiana |
| 29 | Daniel S. Ruckman | 1 | Son | — | Indiana |
| 30 | Mary A. Kinyon | 70 | Mother-in-law | — | Missouri |
| 31 | George C. Baker | 40 | Head | Carpenter | Missouri |
| 32 | Bessie Baker | 42 | Wife | — | Missouri |
| 33 | Bonnie Baker | 21 | Daughter | Maid | Missouri |
| 34 | Jackie Baker | 13 | Son | — | Missouri |
| 35 | Wayne F. Baker | 10 | Son | — | Missouri |
| 36 | Walter J. Cooper | 24 | Head | Clerical Worker | Missouri |
| 37 | Mary Lou Cooper | 25 | Wife | Stenographer | Missouri |
| 38 | Claude J. Harper | 24 | Head | Accountant | Missouri |
| 39 | Edwine Harper | 22 | Wife | — | Illinois |
| 40 | Jessie P. Shelley | 71 | Head | — | Illinois |
Pedigree Summary
William + 5 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 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)