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Robert Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Robert Wallace across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents George & Josephine — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Wallace |
| Given Name | Robert W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Artist |
| Class of Worker | OA |
| Hours Worked | 25 |
| Income (1939) | 934 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Artist |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Roberta Wallace | Daughter | — | 2 | ~1938 |
| Robert Wallace | Head | — | 30 | ~1910 |
| Edna Wallace | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Frederick, Maryland
Son, age 12
Frederick, Maryland · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 21
Frederick, Maryland · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Painter |
| Industry | Signs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 30
Frederick-County, Maryland · implied b. ~1910 — 3 household members
| Surname | Wallace |
| Given Name | Robert W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Artist |
| Class of Worker | OA |
| Hours Worked | 25 |
| Income (1939) | 934 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 George Wallace (~0.92 confidence) and mother Josephine Wallace (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Wallace
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Josephine Wallace
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Wallace
Head · 1940 · age 30 · b. ~1910 · Maryland
★ 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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01548-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank M Hill | 63 | Lodger | Janitor | W. Virginia |
| 42 | Richard L Sheckells | 29 | Head | Plater | Maryland |
| 43 | Mabel B Sheckells | 21 | Wife | — | Maryland |
| 44 | Mary L Sheckells | 1 | Daughter | — | Maryland |
| 45 | Charles E Zole | 44 | Head | Helper | Maryland |
| 46 | Margaret M Zole | 38 | Wife | — | Maryland |
| 47 | Charles E Jr. Zole | 19 | Son | New Worker | Maryland |
| 48 | William L Zole | 18 | Son | — | Maryland |
| 49 | Norrine A Paull | 32 | Head | Salesgirl | New York |
| 50 | Robert W Wallace THIS PERSON | 30 | Head | Artist | Maryland |
| 51 | Edna A Wallace | 24 | Wife | — | Maryland |
| 52 | Roberta D Wallace | 2 | Daughter | — | Maryland |
| 53 | Mildred Harris | 31 | Head | Seamstress | Maryland |
| 54 | Charles L Harris | 11 | Son | — | Maryland |
| 55 | Roland P Hartman | 44 | Head | Automobile | Maryland |
| 56 | Helen F Hartman | 43 | Wife | — | Maryland |
| 57 | Katie M Stup | 42 | Head | Operator | Maryland |
| 58 | Laura M Sinclair | 62 | Head | — | Maryland |
| 59 | Emory D Nusz | 43 | Head | Machinist | Maryland |
| 60 | Margaret E Nusz | 44 | Wife | Clerk | Virginia |
| 61 | Mary W Nusz | 72 | Mother | — | Maryland |
| 62 | Margaret F Domber | 76 | Aunt | — | Maryland |
| 63 | Sophie H Raabe | 44 | Head | Operator | Maryland |
| 64 | Elizabeth Hermann | 74 | Mother | — | Germany |
| 65 | Elizabeth Hermann | 55 | Sister | — | Maryland |
| 66 | Catherine Hildebrand | 63 | Lodger | — | Maryland |
| 67 | Woodrow S Roberts | 22 | Lodger | Counterman | Maryland |
| 68 | Thomas J O'Neill | 60 | Lodger | Laborer | New York |
| 69 | These People Live In The Federal Charity Building | None | — | — | — |
| 70 | Florence E Garner | 68 | Head | Visiting Nurse | Maryland |
| 71 | Samuel L Gregg | 73 | Head | Private Officer | Virginia |
| 72 | Linda F Gregg | 64 | Wife | — | Missouri |
| 73 | Albert M Pearre | 74 | Head | Druggist | Maryland |
| 74 | Nannie E Pearre | 68 | Wife | — | Maryland |
| 75 | These End On South Market And Begin On E. Patrick Street | None | — | — | — |
| 76 | Nan P Zimmerman | 72 | Head | — | Maryland |
| 77 | Harry R Zimmerman | 46 | Son | Asst. Cashier | Maryland |
| 78 | Annie D Zimmerman | 83 | Head | — | Maryland |
| 79 | Clara J Zimmerman | 80 | Sister | — | Maryland |
| 80 | Thomas H Zimmerman | 35 | Head | Printer | Maryland |
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)