MC
Mary Carter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Carter across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Wilkinsburg |
| Est. Birth Year | ~1878 |
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 |
|---|---|---|---|---|
| Jessie Carter | Daughter | — | 35 | ~1905 |
| Wm Carter | Head | — | 65 | ~1875 |
| Anthony Daley | Other | — | 31 | ~1909 |
| Thomas Millett | Other | — | 13 | ~1927 |
| Mary Carter | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 42
Allegheny, Pennsylvania · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1891 |
| 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 | 1916 |
| Birthplace (normalized) | scotland |
1930
Allegheny, Pennsylvania
Other, age 52
Allegheny, Pennsylvania · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Scotland |
| 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 62
Allegheny-County, Pennsylvania · implied b. ~1878 — 5 household members
| Surname | Carter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Wilkinsburg |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Carter 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 Carter
Spouse · 1940 · age 62 · b. ~1878 · 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-t0627-03421-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret D Hallisey | 34 | Wife | Proprietress | Iowa |
| 2 | Nancy Hallisey | 8 | Daughter | — | Pennsylvania |
| 3 | Margaret Hallisey | 4 | Daughter | — | Pennsylvania |
| 4 | Chas A Schuetz | 40 | Head | Eng Inspector | Pennsylvania |
| 5 | Bessie S Schuetz | 37 | Wife | — | Pennsylvania |
| 6 | Ruth E Schuetz | 33 | Daughter | Office Machine Operator | Pennsylvania |
| 7 | Ole M Halet | 62 | Head | Draftsman | Denmark |
| 8 | Helga S Halet | 60 | Wife | — | Denmark |
| 9 | Agnes Halet | 28 | Daughter | — | Pennsylvania |
| 10 | Geo Hahn | 47 | Head | Salesman | New York |
| 11 | Lena S Hahn | 48 | Wife | — | New York |
| 12 | Jack Gourley | 13 | Grandson | — | Pennsylvania |
| 13 | Joseph Utaro | 29 | Head | Clerk | Pennsylvania |
| 14 | Julia Utaro | 26 | Wife | — | Pennsylvania |
| 15 | Harold F Allman | 24 | Head | Attendant | Pennsylvania |
| 16 | Louise O Allman | 27 | Wife | — | Pennsylvania |
| 17 | James Klinefelter | 57 | Head | Machinist | Pennsylvania |
| 18 | Theresa R Klinefelter | 54 | Wife | — | Pennsylvania |
| 19 | Mary Klinefelter | 19 | Daughter | Stenographer | Pennsylvania |
| 20 | James Klinefelter | 18 | Son | — | Pennsylvania |
| 21 | Jean Klinefelter | 15 | Daughter | — | Pennsylvania |
| 22 | Clare Klinefelter | 13 | Daughter | — | Pennsylvania |
| 23 | Gerald Klinefelter | 8 | Son | — | Pennsylvania |
| 24 | Harvey Bowersox | 30 | Roomer | Loading Pipe Loader | Pennsylvania |
| 25 | Jacob Overman | 16 | Head | — | Pennsylvania |
| 26 | Cora G Overman | 64 | Wife | — | Pennsylvania |
| 27 | Mary Sajek | 55 | Maid | Maid | Poland |
| 28 | Wm Carter | 65 | Head | Pipe Fitter | Pennsylvania |
| 29 | Mary Carter THIS PERSON | 62 | Wife | — | Scotland |
| 30 | Jessie Carter | 35 | Daughter | Secretary | Pennsylvania |
| 31 | Thomas Millett | 13 | Grandson | — | Pennsylvania |
| 32 | Anthony Daley | 31 | Roomer | Motor Tester | Pennsylvania |
| 33 | Walter Mcelhaney | 54 | Head | Shop Carpenter | Pennsylvania |
| 34 | Anna S Mcelhaney | 52 | Wife | — | Pennsylvania |
| 35 | Wm Mcelhaney | 24 | Son | Warehouse Clerk | Pennsylvania |
| 36 | Anna Eliz Mcelhaney | 23 | Daughter | — | Pennsylvania |
| 37 | Eloise Mcelhaney | 14 | Daughter | — | Pennsylvania |
| 38 | Belle S Kinos | 49 | Head | Housekeeper | Pennsylvania |
| 39 | Blanche Pantall | 53 | Sister | Jr High School Teacher | Pennsylvania |
| 40 | Allison Enterline | 25 | Cousin | Library Clerk | 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)