MP
Mary Porter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Porter across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 10-person household.
Age 60
b. ~1880
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Porter |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Munhall Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Munhall Boro |
| Est. Birth Year | ~1880 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Stuart | Daughter | — | 9 | ~1931 |
| Marilyn Stuart | Daughter | — | 1 | ~1939 |
| Ruth Stuart | Daughter | — | 6 | ~1934 |
| Adelaide Stuart | Daughter | — | 30 | ~1910 |
| Alex Porter | Head | — | 60 | ~1880 |
| Albert Stuart | Other | — | 30 | ~1910 |
| David Stuart | Son | — | 7 | ~1933 |
| Robert Stuart | Son | — | 3 | ~1937 |
| Albert Stuart | Son | — | 4 | ~1936 |
| Mary Porter | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 40
Allegheny, Pennsylvania · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Year of Naturalization | 1903 |
| Birthplace (normalized) | wales |
1930
Allegheny, Pennsylvania
Other, age 51
Allegheny, Pennsylvania · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Mary J |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Allegheny-County, Pennsylvania
Spouse, age 60
Allegheny-County, Pennsylvania · implied b. ~1880 — 10 household members
| Surname | Porter |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Munhall Boro |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Porter 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 Porter
Spouse · 1940 · age 60 · b. ~1880 · 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 — 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-t0627-03412-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George R. Price | 58 | Head | Chemist | New York |
| 2 | William J. Price | 31 | Son | Salesman | Pennsylvania |
| 3 | John Mansell | 55 | Head | Expeditor | Pennsylvania |
| 4 | Mary A. Mansell | 55 | Wife | — | Pennsylvania |
| 5 | Margaret A. Mansell | 28 | Daughter | Stenographer | Pennsylvania |
| 6 | Thomas R. Brown | 47 | Head | Clerk | Pennsylvania |
| 7 | Matilda Brown | 75 | Mother | — | Pennsylvania |
| 8 | Maud E. Gilland | 53 | Sister | — | Pennsylvania |
| 9 | James B. Neel | 71 | Uncle | — | Pennsylvania |
| 10 | Charlie H. Von Horn | 52 | Head | Engineer | Pennsylvania |
| 11 | Margaret J. Von Horn | 50 | Wife | — | Pennsylvania |
| 12 | John Jr. Mitchell | 52 | Head | Foreman | Scotland |
| 13 | Raymond Rodman | 32 | Head | Clerk | South Dakota |
| 14 | Alice Rodman | 32 | Wife | — | Pennsylvania |
| 15 | Carol Rodman | 2 | Daughter | — | Pennsylvania |
| 16 | Mary M. Rodman | 58 | Mother | — | Illinois |
| 17 | Arthur C. Bald | 47 | Head | Foreman | Pennsylvania |
| 18 | Clara M. Bald | 45 | Wife | — | Pennsylvania |
| 19 | Sarah W. Bald | 22 | Daughter | School Teacher | Pennsylvania |
| 20 | Arthur E. Bald | 18 | Son | — | Pennsylvania |
| 21 | Alex W. Porter | 60 | Head | Clerk | Scotland |
| 22 | Mary J. Porter THIS PERSON | 60 | Wife | — | Wales |
| 23 | Albert E. Stuart | 30 | Son-in-law | Laborer | Pennsylvania |
| 24 | Adelaide Stuart | 30 | Daughter | — | Pennsylvania |
| 25 | Betty Lou Stuart | 9 | Daughter | — | Pennsylvania |
| 26 | David Stuart | 7 | Son | — | Pennsylvania |
| 27 | Ruth Stuart | 6 | Daughter | — | Pennsylvania |
| 28 | Albert Jr. Stuart | 4 | Son | — | Pennsylvania |
| 29 | Robert Stuart | 3 | Son | — | Pennsylvania |
| 30 | Marilyn Stuart | 1 | Daughter | — | Pennsylvania |
| 31 | Stewart Ralph Morgan | 46 | Head | Superintendent Clerk | Pennsylvania |
| 32 | Willa Glyde Morgan | 43 | Wife | — | Pennsylvania |
| 33 | Dorothy Willa Morgan | 21 | Daughter | — | Pennsylvania |
| 34 | Nell Virginia Morgan | 18 | Daughter | — | Pennsylvania |
| 35 | Mary Olive Morgan | 18 | Daughter | — | Pennsylvania |
| 36 | Stewart J. Morgan | 70 | Father | — | Pennsylvania |
| 37 | Michael Cloherty | 51 | Head | Melt Foreman | Pennsylvania |
| 38 | Margaret Cloherty | 51 | Wife | — | Pennsylvania |
| 39 | Mamie Flarity | 47 | Sister-in-law | — | Pennsylvania |
| 40 | W. H. Noel | 69 | Head | — | 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)