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Mary Bell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Mary Bell across the 1920, 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 3-person household.
Age 63
b. ~1877
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Bell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Vandergrift |
| 1935 Residence (County) | Westmoreland |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Vandergrift |
| Est. Birth Year | ~1877 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| George Bell | Head | — | 75 | ~1865 |
| Ernest Bell | Son | — | 45 | ~1895 |
| Mary Bell | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Westmoreland, Pennsylvania
Spouse, age 42
Westmoreland, Pennsylvania · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Westmoreland, Pennsylvania
Spouse, age 53
Westmoreland, Pennsylvania · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 16 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Westmoreland-County, Pennsylvania
Spouse, age 63
Westmoreland-County, Pennsylvania · implied b. ~1877 — 3 household members
| Surname | Bell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Vandergrift |
| 1935 Residence (County) | Westmoreland |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Bell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Bell
Spouse · 1940 · age 63 · b. ~1877 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03639-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mabel Lattanzio | 28 | Wife | Floorlady | Pennsylvania |
| 42 | Adelio Lattanzio | 8 | Son | — | Pennsylvania |
| 43 | Harry Kneppot | 44 | Head | Pickling House | Russia |
| 44 | Annie Kneppot | 41 | Wife | — | Russia |
| 45 | John Kneppot | 23 | Son | — | Pennsylvania |
| 46 | Olga Kneppot | 21 | Daughter | — | Pennsylvania |
| 47 | Mary Kneppot | 14 | Daughter | — | Pennsylvania |
| 48 | Frank Killingsworth | 46 | Head | Laborer | Pennsylvania |
| 49 | Marie Killingsworth | 20 | Daughter | Housework | Pennsylvania |
| 50 | Maxine Baylor | 19 | Daughter | — | Pennsylvania |
| 51 | Fred Mckinney | 44 | Head | Trucker | Alabama |
| 52 | Margaret Mckinney | 24 | Wife | — | Ohio |
| 53 | Minnie Mckinney | 60 | Mother | — | Alabama |
| 54 | Gerald Shroop | 20 | Head | Polisher | Pennsylvania |
| 55 | Mildred Shroop | 23 | Wife | — | Pennsylvania |
| 56 | Ray Shroop | 2 | Son | — | Pennsylvania |
| 57 | Bonita Shroop | 0 | Daughter | — | Pennsylvania |
| 58 | George H. Bell | 75 | Head | — | Pennsylvania |
| 59 | Mary E. Bell THIS PERSON | 63 | Wife | — | New Jersey |
| 60 | Ernest W. Bell | 45 | Son | Crane Operator | Pennsylvania |
| 61 | Louis Grekkalskie | 55 | Head | Laborer | Russia |
| 62 | Martha Grekkalskie | 49 | Wife | — | Russia |
| 63 | Casimer Grekkalskie | 23 | Son | — | Pennsylvania |
| 64 | Emily Grekkalskie | 22 | Daughter | Housework | Pennsylvania |
| 65 | Eleanor Grekkalskie | 21 | Daughter | Housework | Pennsylvania |
| 66 | Linetta Grekkalskie | 19 | Daughter | — | Pennsylvania |
| 67 | Frances Grekkalskie | 17 | Daughter | — | Pennsylvania |
| 68 | Helen Grekkalskie | 10 | Daughter | — | Pennsylvania |
| 69 | Dolores Grekkalskie | 9 | Daughter | — | Pennsylvania |
| 70 | Ralph Rearick | 23 | Head | Breaker | Pennsylvania |
| 71 | Betty Rearick | 21 | Wife | Electric | Pennsylvania |
| 72 | Edward George | 44 | Head | Craneman | Pennsylvania |
| 73 | Twila George | 45 | Wife | — | Pennsylvania |
| 74 | Frank M. Johnson | 34 | Head | Sheet Mill Worker | Pennsylvania |
| 75 | Dorothy Johnson | 29 | Wife | — | Pennsylvania |
| 76 | Marjorie Johnson | 8 | Daughter | — | Pennsylvania |
| 77 | Clarence Hartman | 35 | Head | Package Maker | Pennsylvania |
| 78 | Mildred Hartman | 37 | Wife | — | Pennsylvania |
| 79 | Cecil Hartman | 20 | Son | Assistant Mechanic | Pennsylvania |
| 80 | Geraldine Hartman | 15 | Daughter | — | Pennsylvania |
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)