MC
Mary Corbett — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Corbett across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Corbett |
| Given Name | Mary W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Castle Shannon Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Castle Shannon Boro |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Corbett | Son | — | 14 | ~1926 |
| James Corbett | Son | — | 14 | ~1926 |
| Mary Corbett | Spouse | — | 55 | ~1885 |
| Mary Corbett | Daughter | — | 28 | ~1912 |
| William Corbett | Head | — | 51 | ~1889 |
| Genevieve Corbett | Daughter | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 34
Allegheny, Pennsylvania · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corbett |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Spouse, age 45
Allegheny, Pennsylvania · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corbett |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 55
Allegheny-County, Pennsylvania · implied b. ~1885 — 6 household members
| Surname | Corbett |
| Given Name | Mary W. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Castle Shannon Boro |
| 1935 Residence (County) | Allegheny |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Corbett 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 Corbett
Spouse · 1940 · age 55 · b. ~1885 · 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-t0627-03400-00089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dolores L. Pontone | 23 | Wife | — | Pennsylvania |
| 2 | William J. Corbett | 51 | Head | House Painter | Pennsylvania |
| 3 | Mary W. Corbett THIS PERSON | 55 | Wife | — | Pennsylvania |
| 4 | Mary K. Corbett | 28 | Daughter | Telephone Operator | Pennsylvania |
| 5 | Genevieve F. Corbett | 25 | Daughter | Waitress | Pennsylvania |
| 6 | Robert F. Corbett | 14 | Son | — | Pennsylvania |
| 7 | James W. Corbett | 14 | Son | — | Pennsylvania |
| 8 | John C. Klatte | 57 | Head | Stationary Engineer | Pennsylvania |
| 9 | Mary S. Klatte | 54 | Wife | — | Pennsylvania |
| 10 | Claire L. Klatte | 31 | Daughter | Typist | Pennsylvania |
| 11 | Ruth E. Klatte | 29 | Daughter | — | Pennsylvania |
| 12 | John H. Klatte | 26 | Son | Mail Clerk | Pennsylvania |
| 13 | Paul B. Klatte | 24 | Son | Salesman | Pennsylvania |
| 14 | Anna R. Klatte | 22 | Daughter | Telephone Operator | Pennsylvania |
| 15 | Francis O'Brien | 40 | Head | Signal Operator | Pennsylvania |
| 16 | Margaret O'Brien | 37 | Wife | — | Pennsylvania |
| 17 | James P. O'Brien | 5 | Son | — | Pennsylvania |
| 18 | Mary Ann O'Brien | 2 | Daughter | — | Pennsylvania |
| 19 | Edward H. Brannon | 48 | Head | Pressman | Pennsylvania |
| 20 | Catherine E. Brannon | 46 | Wife | — | Pennsylvania |
| 21 | Teresa A. Brannon | 21 | Daughter | New Worker | Pennsylvania |
| 22 | Mary D. Brannon | 19 | Daughter | New Worker | Pennsylvania |
| 23 | Catherine X. Brannon | 17 | Daughter | — | Pennsylvania |
| 24 | Anna May Brannon | 10 | Daughter | — | Pennsylvania |
| 25 | Edward P. Brannon | 7 | Son | — | Pennsylvania |
| 26 | John Bernarding | 62 | Son-in-law | Laborer | Pennsylvania |
| 27 | Mary Brannon | 74 | Head | — | West Virginia |
| 28 | Alice Brannon | 40 | Daughter | Secretary | Pennsylvania |
| 29 | Joseph Baldauf | 34 | Head | Machinist | Pennsylvania |
| 30 | Victoria E. Baldauf | 31 | Wife | — | Pennsylvania |
| 31 | Joan Baldauf | 4 | Daughter | — | Pennsylvania |
| 32 | Sarah Baldauf | 2 | Daughter | — | Pennsylvania |
| 33 | Charles J. Kiggins | 38 | Head | Carpenter | Pennsylvania |
| 34 | Margaret T. Kiggins | 32 | Wife | — | Pennsylvania |
| 35 | Ralph J. Kiggins | 5 | Son | — | Pennsylvania |
| 36 | Doris E. Kiggins | 3 | Daughter | — | Pennsylvania |
| 37 | Harry W. Tepper | 58 | Head | Steam Fitter | Pennsylvania |
| 38 | Margaret A. Tepper | 57 | Wife | — | Wales |
| 39 | James P. Jr. Martin | 46 | Head | Sales | Pennsylvania |
| 40 | Agnes M. Martin | 48 | Wife | — | Pennsylvania |
Related Census Records
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)