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Mary Wallace — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Logan-County, Ohio
Our Model Tree links this Mary Wallace across the 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 10-person household.
Age 40
b. ~1900
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Ohio |
| Surname | Wallace |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Logan |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Mcarthur Twp |
| Est. Birth Year | ~1900 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Wallace | Daughter | — | 3 | ~1937 |
| Mary Wallace | Daughter | — | 12 | ~1928 |
| Wanda Wallace | Daughter | — | 9 | ~1931 |
| Alberta Wallace | Daughter | — | 10 | ~1930 |
| Roy Wallace | Son | — | 14 | ~1926 |
| Harold Wallace | Son | — | 16 | ~1924 |
| William Wallace | Son | — | 21 | ~1919 |
| Carroll Wallace | Son | — | 17 | ~1923 |
| Albert Wallace | Son | — | 10 | ~1930 |
| Mary Wallace | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Logan, Ohio
Other, age 30
Logan, Ohio · implied b. ~1900 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Mary R. |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 18 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Logan-County, Ohio
Spouse, age 40
Logan-County, Ohio · implied b. ~1900 — 10 household members
| Surname | Wallace |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Logan |
| Highest Grade | H-4 |
| 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 Mary Wallace across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wallace
Spouse · 1940 · age 40 · b. ~1900 · 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 — Logan-County, Ohio
Open full size
1940 US Federal Census — Logan-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03100-00509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary R. Wallace THIS PERSON | 40 | Wife | — | Ohio |
| 2 | William Wallace | 21 | Son | Clerk | Ohio |
| 3 | Carroll Wallace | 17 | Son | — | Ohio |
| 4 | Harold Wallace | 16 | Son | — | Ohio |
| 5 | Roy Jr. Wallace | 14 | Son | — | Ohio |
| 6 | Mary Evelyn Wallace | 12 | Daughter | — | Ohio |
| 7 | Albert Wallace | 10 | Son | — | Ohio |
| 8 | Alberta Wallace | 10 | Daughter | — | Ohio |
| 9 | Wanda Wallace | 9 | Daughter | — | Ohio |
| 10 | Florence Wallace | 3 | Daughter | — | Ohio |
| 11 | Lowell Howard | 23 | Head | Farmer | Ohio |
| 12 | Helen O. Howard | 22 | Wife | — | Ohio |
| 13 | Patricia L. Howard | 3 | Daughter | — | Ohio |
| 14 | Frank Howard | 1 | Son | — | Ohio |
| 15 | Bessie Wiles | 52 | Head | — | Ohio |
| 16 | Eleanora Howard | 71 | Head | — | Kentucky |
| 17 | Henry S. Jenkins | 65 | Head | Farmer | Ohio |
| 18 | Elva Cora Jenkins | 62 | Wife | — | Pennsylvania |
| 19 | Leslie D. Jenkins | 20 | Son | Laborer | Ohio |
| 20 | Walter R. Rosebrook | 62 | Head | Farmer | Ohio |
| 21 | Rosa Rosebrook | 52 | Wife | — | Ohio |
| 22 | Glenna Mae Rosebrook | 13 | Daughter | — | Ohio |
| 23 | Lawrence C. Shope | 60 | Head | Farmer | Ohio |
| 24 | Georgia A. Shope | 60 | Wife | — | Ohio |
| 25 | Lawrence C. Jr. Shope | 23 | Son | Laborer | Ohio |
| 26 | Ezra J. Cooper | 58 | Brother in law | — | Ohio |
| 27 | Olander Cooper | 89 | Mother in law | — | Ohio |
| 28 | Ottis C. Rogers | 48 | Head | Farmer | Ohio |
| 29 | Fern Rogers | 45 | Wife | — | Ohio |
| 30 | Eileen Rogers | 21 | Daughter | Secretarial | Ohio |
| 31 | Ottis C. Jr. Rogers | 19 | Son | Secretarial | Ohio |
| 32 | John C. Hurley | 68 | Head | Farmer | Ohio |
| 33 | Jennie Hurley | 66 | Wife | — | Ohio |
| 34 | Myron Hurley | 21 | Son | Biology Lab Asst | Ohio |
| 35 | Earl Brackney | 47 | Head | Farmer | Ohio |
| 36 | Lelia Brackney | 35 | Wife | — | Ohio |
| 37 | Janice Brackney | 4 | Daughter | — | Ohio |
| 38 | Billy Brackney | 2 | Son | — | Ohio |
| 39 | Floyd Coil | 37 | Hired hand | Laborer | Ohio |
| 40 | Oliver C. Black | 25 | Head | Farmer | Ohio |
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)