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 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 9-person household.
Age 52
b. ~1888
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Cramer |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Swissvale Borough |
| Est. Birth Year | ~1888 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edith Cramer | Other | — | 32 | ~1908 |
| Frank Cramer | Son | — | 22 | ~1918 |
| Thomas Cramer | Son | — | 23 | ~1917 |
| Mary Cramer | Spouse | — | 52 | ~1888 |
| Albert Cramer | Son | — | 21 | ~1919 |
| Ruth Cramer | Other | — | 14 | ~1926 |
| Earl Cramer | Head | — | 54 | ~1886 |
| James Cramer | Son | — | 34 | ~1906 |
| James Cramer | Other | — | 12 | ~1928 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 42
Allegheny, Pennsylvania · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 17 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Shoe salesman |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Allegheny-County, Pennsylvania
Spouse, age 52
Allegheny-County, Pennsylvania · implied b. ~1888 — 9 household members
| Surname | Cramer |
| Given Name | Mary G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cramer
Spouse · 1940 · age 52 · b. ~1888 · 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-t0627-03418-00925)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Mcgough | 48 | Sister-in-law | Registered Nurse | Penna. |
| 2 | Lloyd B. Lemon | 51 | Head | Accountant | Penna. |
| 3 | Alice P. Lemon | 50 | Wife | — | Penna. |
| 4 | Leona J. Lemon | 24 | Daughter | Typist | Penna. |
| 5 | Carolyn V. Lemon | 21 | Daughter | Filing Clerk | Penna. |
| 6 | John B. Newingham | 44 | Head | Clerk | Penna. |
| 7 | Catherine D. Newingham | 34 | Wife | — | Penna. |
| 8 | John B. Jr. Newingham | 8 | Son | — | Penna. |
| 9 | Thomas D. Newingham | 7 | Son | — | Penna. |
| 10 | William J. Wilson | 59 | Head | Clerk | Penna. |
| 11 | Mary A. Wilson | 50 | Wife | — | Penna. |
| 12 | John F. Jones | 56 | Head | Master Mechanic | England |
| 13 | Anna M. Jones | 53 | Wife | — | Penna. |
| 14 | Clyde C. Jones | 30 | Head | Machinist | Penna. |
| 15 | Berenice E. Jones | 25 | Wife | — | Penna. |
| 16 | John L. Jones | 0 | Son | — | Penna. |
| 17 | Peter H. Olson | 66 | Head | Foreman Of Fence Shop | Sweden |
| 18 | Sophia A. Olson | 71 | Wife | — | Sweden |
| 19 | Elmer W. Olson | 32 | Son | Salesman | Penna. |
| 20 | Robert T. Olson | 25 | Son | Teacher | Penna. |
| 21 | John C. Wertz | 28 | Head | Laborer | Penna. |
| 22 | Samuel E. Wertz | 62 | Father | — | Penna. |
| 23 | Cora E. Wertz | 52 | Mother | — | Penna. |
| 24 | George F. Wertz | 22 | Brother | Laborer | Penna. |
| 25 | Betty M. Wertz | 15 | Sister | — | Penna. |
| 26 | James T. Proctor | 67 | Head | Clerk - Cost Accounting | Penna. |
| 27 | Joan F. Proctor | 28 | Daughter | — | Penna. |
| 28 | Edith J. Proctor | 5 | Granddaughter | — | Florida |
| 29 | John R. Proctor | 3 | Grandson | — | Penna. |
| 30 | Thomas A. Walsh | 39 | Head | Operator Of Pig Machine | Illinois |
| 31 | Mary M. Walsh | 28 | Wife | — | Penna. |
| 32 | Earl W. Cramer | 54 | Head | Manager | Penna. |
| 33 | Mary G. Cramer THIS PERSON | 52 | Wife | — | Minnesota |
| 34 | Thomas W. Cramer | 23 | Son | Secretary To Advertising Head | Virginia |
| 35 | Frank M. Cramer | 22 | Son | Salesman'S Helper | Virginia |
| 36 | Albert B. Cramer | 21 | Son | Stock Boy | Virginia |
| 37 | James I. Cramer | 34 | Son | Printer | Penna. |
| 38 | Edith L. Cramer | 32 | Daughter-in-law | — | Penna. |
| 39 | Ruth E. Cramer | 14 | Granddaughter | — | Penna. |
| 40 | James I. Jr. Cramer | 12 | Grandson | — | Penna. |
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)