MB
Mary Bell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Mary Bell across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 4-person household.
Age 59
b. ~1881
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Bell |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Altoona City |
| Est. Birth Year | ~1881 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence Bell | Daughter | — | 27 | ~1913 |
| Edith Bell | Daughter | — | 35 | ~1905 |
| William Bell | Head | — | 59 | ~1881 |
| Mary Bell | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Blair, Pennsylvania
Spouse, age 38
Blair, Pennsylvania · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1910 |
| Naturalization Status | First papers filed |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Blair, Pennsylvania
Spouse, age 49
Blair, Pennsylvania · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Blair-County, Pennsylvania
Spouse, age 59
Blair-County, Pennsylvania · implied b. ~1881 — 4 household members
| Surname | Bell |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Altoona City |
| 1935 Residence (County) | Blair |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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.
Show:
This person
Anchor record
Mary Bell
Spouse · 1940 · age 59 · b. ~1881 · Pennsylvania
★ 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03439-00559)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Costlow | 43 | Wife | — | Pennsylvania |
| 2 | Mary Jane Costlow | 19 | Daughter | — | Pennsylvania |
| 3 | Marian Costlow | 17 | Daughter | 15 | Pennsylvania |
| 4 | Helen Costlow | 15 | Daughter | — | Pennsylvania |
| 5 | Robert Costlow | 13 | Son | — | Pennsylvania |
| 6 | Betty Costlow | 10 | Daughter | — | Pennsylvania |
| 7 | William Costlow | 9 | Son | — | Pennsylvania |
| 8 | John Edward Costlow | 6 | Son | — | Pennsylvania |
| 9 | James Costlow | 4 | Son | — | Pennsylvania |
| 10 | Daniel Costlow | 2 | Son | — | Pennsylvania |
| 11 | Nancy Costlow | 0 | Daughter | — | Pennsylvania |
| 12 | William D. Bell | 59 | Head | Machinist | England |
| 13 | Mary D. Bell THIS PERSON | 59 | Wife | — | England |
| 14 | Edith Bell | 35 | Daughter | Clerk | England |
| 15 | Florence Bell | 27 | Daughter | — | Pennsylvania |
| 16 | John Straight | 75 | Head | Blacksmith | Pennsylvania |
| 17 | Jenny C. Straight | 74 | Wife | — | Pennsylvania |
| 18 | Richard Straight | 45 | Son | Painter | Pennsylvania |
| 19 | Margaret Straight | 35 | Daughter in law | — | Pennsylvania |
| 20 | Catherine Straight | 16 | Granddaughter | — | Pennsylvania |
| 21 | Jacob D. Graffius | 45 | Head | Laborer | Pennsylvania |
| 22 | Florence Graffius | 42 | Wife | — | England |
| 23 | Oliver Graffius | 19 | Son | — | Pennsylvania |
| 24 | Edger Turnbaugh | 26 | Head | Laborer | Pennsylvania |
| 25 | Virginia Turnbaugh | 27 | Wife | — | Pennsylvania |
| 26 | Ida D. Roland | 68 | Head | — | Pennsylvania |
| 27 | George Shaffer | 32 | Head | Machinist | Pennsylvania |
| 28 | Ruth Shaffer | 29 | Wife | — | Pennsylvania |
| 29 | Jacqueline Shaffer | 5 | Daughter | — | Pennsylvania |
| 30 | Harold Shaffer | 4 | Son | — | Pennsylvania |
| 31 | Kenneth Mcgee | 28 | Head | Machinist | Pennsylvania |
| 32 | Marjorie Mcgee | 24 | Wife | — | Pennsylvania |
| 33 | Judith Mcgee | 1 | Daughter | — | Pennsylvania |
| 34 | Homer Hershberger | 51 | Head | Boiler Maker | Pennsylvania |
| 35 | Mary Hershberger | 49 | Wife | — | Pennsylvania |
| 36 | Duane Drake | 20 | Nephew | — | Pennsylvania |
| 37 | Charles Brumbaugh | 45 | Head | Machinist | Pennsylvania |
| 38 | Lois Brumbaugh | 45 | Wife | — | Pennsylvania |
| 39 | James Brumbaugh | 17 | Son | — | Pennsylvania |
| 40 | Harvey Brumbaugh | 14 | Son | — | 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)