MC
Mary Cramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Cramer across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Wilkinsburg Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Wilkinsburg Borough |
| Est. Birth Year | ~1875 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jesse Marino | Other | — | 29 | ~1911 |
| Mary Cramer | Spouse | — | 65 | ~1875 |
| James Cramer | Son | — | 36 | ~1904 |
| Rev Cramer | Head | — | 68 | ~1872 |
| Keller Cramer | Son | — | 38 | ~1902 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 42
Allegheny, Pennsylvania · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1883 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Other, age 53
Allegheny, Pennsylvania · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Allegheny-County, Pennsylvania
Spouse, age 65
Allegheny-County, Pennsylvania · implied b. ~1875 — 5 household members
| Surname | Cramer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Wilkinsburg Borough |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Cramer 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 Cramer
Spouse · 1940 · age 65 · b. ~1875 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03421-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | S. M. Mrs. Dowler | 58 | Head | Embalmer | Pennsylvania |
| 2 | Wm. Jr. Dowler | 29 | Son | G. O. Physicist | Pennsylvania |
| 3 | Elizabeth Brunner | 37 | Head | Housekeeper | Pennsylvania |
| 4 | Eleanor Brunner | 13 | Daughter | — | Pennsylvania |
| 5 | James H. Smith | 34 | Head | Carpenter | Pennsylvania |
| 6 | Agnes S. Smith | 33 | Wife | — | Pennsylvania |
| 7 | Audrey Louise Smith | 11 | Daughter | — | Pennsylvania |
| 8 | Richard James Dean | 53 | Head | Laborer | England |
| 9 | Florence Dean | 53 | Wife | — | England |
| 10 | Edith Dean | 21 | Daughter | Stenographer | England |
| 11 | Nellie R. Mcelligott | 53 | Head | — | Pennsylvania |
| 12 | Mary M. Mcelligott | 32 | Daughter | Attorney | Pennsylvania |
| 13 | Joseph P. Mcelligott | 28 | Son | Salesman | Pennsylvania |
| 14 | Dorothy L. Mcelligott | 25 | Daughter | Stenographer | Pennsylvania |
| 15 | Catherine Mcelligott | 23 | Daughter | Telephone Oper. | Pennsylvania |
| 16 | Theo. F. Angus | 35 | Head | Maintenance Man | Pennsylvania |
| 17 | Wanda E. Angus | 36 | Wife | — | Pennsylvania |
| 18 | Phyllis Angus | 11 | Daughter | — | Pennsylvania |
| 19 | John W. O'Donnell | 31 | Head | Credit Manager | Pennsylvania |
| 20 | Rebecca O'Donnell | 31 | Wife | — | Pennsylvania |
| 21 | Terrence J. O'Donnell | 3 | Daughter | — | Pennsylvania |
| 22 | Eleanor Marie Neff | 44 | Head | Wrapper | Pennsylvania |
| 23 | Eleanor Neff | 20 | Daughter | Cashier | Pennsylvania |
| 24 | Dolores Neff | 18 | Daughter | — | Pennsylvania |
| 25 | Rita Reilly | 22 | Daughter | Wrapper | Pennsylvania |
| 26 | Roland G. Carnes | 60 | Head | Bricklayer | England |
| 27 | Sarah A. Carnes | 62 | Wife | — | Wales |
| 28 | Edith Pearl Carnes | 39 | Daughter | Practical Nurse | Pennsylvania |
| 29 | Rev. Keller L. Cramer | 68 | Head | Minister | Pennsylvania |
| 30 | Mary Cramer THIS PERSON | 65 | Wife | — | Scotland |
| 31 | Keller Cramer | 38 | Son | Slating Laborer | Pennsylvania |
| 32 | James Cramer | 36 | Son | Electrician Inspector | Pennsylvania |
| 33 | Jesse Marino | 29 | Roomer | Electrician Tester | Pennsylvania |
| 34 | Everett J. Strubler | 25 | Head | Sheet Metal Worker | Pennsylvania |
| 35 | Betty A. Strubler | 24 | Wife | — | New Jersey |
| 36 | David Strubler | 1 | Son | — | Pennsylvania |
| 37 | Geo. E. Hartmeyer | 55 | Head | Electrician | Pennsylvania |
| 38 | Helen E. Hartmeyer | 41 | Wife | — | Pennsylvania |
| 39 | Anna Mary Hartmeyer | 18 | Daughter | — | Pennsylvania |
| 40 | Geo. Jr. Hartmeyer | 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)