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Robert Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Robert Wallace across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed), with identified parents Eleanor & Albert — first a head (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Wallace |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Tractor Operator |
| Industry | Municipal Golf Course |
| Class of Worker | GW |
| Hours Worked | 49 |
| Income (1939) | 420 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Tractor Operator |
| Township / Ward | Portland City |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Deanna Wallace | Daughter | — | 3 | ~1937 |
| Robert Wallace | Head | — | 21 | ~1919 |
| Barbara Wallace | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Cumberland, Maine
Son, age 1
Cumberland, Maine · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Son, age 11
Cumberland, Maine · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert M |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Maine |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Head, age 21
Cumberland-County, Maine · implied b. ~1919 — 3 household members
| Surname | Wallace |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Occupation | Tractor Operator |
| Industry | Municipal Golf Course |
| Class of Worker | GW |
| Hours Worked | 49 |
| Income (1939) | 420 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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: mother Eleanor Wallace (~0.92 confidence) and father Albert Wallace (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Eleanor Wallace
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Albert Wallace
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Wallace
Head · 1940 · age 21 · b. ~1919 · Maine
★ 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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-01476-00681)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Conley | 59 | Head | Longshoreman | Free State Ireland |
| 2 | Catherine M. Conley | 58 | Wife | — | Free State Ireland |
| 3 | William J. Conley | 17 | Son | — | Maine |
| 4 | Edward Gallant | 33 | Head | New Worker | Maine |
| 5 | Mary A. Gallant | 29 | Wife | Truckman | Maine |
| 6 | Edward Jr. Gallant | 10 | Son | Housekeeper | Maine |
| 7 | Peter J. Travis | 29 | Head | Truck Driver | Maine |
| 8 | Catherine L. Travis | 25 | Wife | New Worker | Maine |
| 9 | Annie Travis | 5 | Daughter | — | Maine |
| 10 | Peter J. Travis | 4 | Son | — | Maine |
| 11 | Patrick Burnham | 62 | Head | Laborer | Free State Ireland |
| 12 | Frederick C. Kraul | 65 | Head | — | Latvia |
| 13 | Nellie Kraul | 75 | Wife | — | Maine |
| 14 | Robert M. Wallace THIS PERSON | 21 | Head | Tractor Operator | Maine |
| 15 | Barbara R. Wallace | 19 | Wife | — | Maine |
| 16 | Deanna B. Wallace | 3 | Daughter | — | Maine |
| 17 | Denis J. Brouillard | 44 | Head | Laborer In Loading Dept. | Rhode Island |
| 18 | Viola M. Brouillard | 42 | Wife | — | Eng Canada |
| 19 | Mary C. Brouillard | 22 | Daughter | Stenographer | Maine |
| 20 | Albert J. Webster | 59 | Head | Painter | Maine |
| 21 | Ethel F. Webster | 54 | Wife | — | Maine |
| 22 | Wallace C. Webster | 25 | Son | Helper On Machine | Maine |
| 23 | Ethel L. Webster | 26 | Daughter-in-law | — | Maine |
| 24 | Allen C. Webster | 0 | Grandson | — | Maine |
| 25 | Paul C. Harvell | 9 | Son | — | New Hampshire |
| 26 | Albion W. Shaw | 73 | Head | Proprietor | Maine |
| 27 | Alice J. Shaw | 70 | Wife | — | Maine |
| 28 | Marjorie E. Wiley | 16 | Daughter | — | Maine |
| 29 | Dorothy J. Wiley | 13 | Granddaughter | — | Maine |
| 30 | William J. Willette | 33 | Head | Chef | Maine |
| 31 | Raymond F. Boody | 39 | Head | Bartender | Massachusetts |
| 32 | George R. Linnell | 53 | Head | Machinist | Maine |
| 33 | Joseph Grandbois | 39 | Head | Truck Driver | Eng Canada |
| 34 | Mildred A. Grandbois | 20 | Wife | — | Maine |
| 35 | Sandra V. Grandbois | 0 | Daughter | — | Maine |
Pedigree Summary
Robert
Gen 1 · 2 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)