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Mary Mcclure — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Mcclure across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McClure |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcclure | Daughter | — | 15 | ~1925 |
| Ann Mcclure | Daughter | — | 8 | ~1932 |
| Patrick Mcclure | Head | — | 47 | ~1893 |
| James Mcclure | Son | — | 17 | ~1923 |
| Thomas Mcclure | Son | — | 20 | ~1920 |
| Robert Mcclure | Son | — | 13 | ~1927 |
| Joseph Mcclure | Son | — | 21 | ~1919 |
| Annie Mcclure | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClure |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 8 household members
| Surname | McClure |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-1 |
| 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 Mcclure across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcclure
Daughter · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Robert Mcclure
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcclure
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Mcclure
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcclure
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcclure
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03653-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary H Burke | 46 | Wife | Cashier | Ireland |
| 2 | Mary Burke | 23 | Daughter | Cashier | Pennsylvania |
| 3 | John F Burke | 21 | Son | Salesman | Pennsylvania |
| 4 | William Cavanaugh | 45 | Head | Janitor | Free State |
| 5 | Margaret B Cavanaugh | 46 | Wife | — | Ireland |
| 6 | John M Cavanaugh | 20 | Son | Helper | Ohio |
| 7 | Catherine Cavanaugh | 15 | Daughter | — | Pennsylvania |
| 8 | Charles A Hester | 33 | Head | Caretaker | Pennsylvania |
| 9 | Rose D Hester | 24 | Wife | Cashier | Pennsylvania |
| 10 | William King Geisler | 51 | Head | Automobile Mechanic | Pennsylvania |
| 11 | Norma D Geisler | 47 | Wife | — | Pennsylvania |
| 12 | Reserved In Error | None | — | — | — |
| 13 | Reserved In Error | None | — | — | — |
| 14 | Ray Mcgrath | 20 | Daughter | Saleswoman | Pennsylvania |
| 15 | Marie Eleanor Mcgrath | 17 | Daughter | New Worker | Pennsylvania |
| 16 | Annie S Long | 76 | Mother | — | Pennsylvania |
| 17 | Joseph E Boyle | 36 | Head | Clerk | Pennsylvania |
| 18 | Agnes G B Boyle | 36 | Wife | — | Pennsylvania |
| 19 | Margaret Boyle | 13 | Daughter | — | Pennsylvania |
| 20 | Joseph J Boyle | 10 | Son | — | Pennsylvania |
| 21 | James J Boyle | 8 | Son | — | Pennsylvania |
| 22 | Mary June Boyle | 5 | Daughter | — | Pennsylvania |
| 23 | Steve Malinchek | 25 | Head | Baker | Pennsylvania |
| 24 | Dorothy M Malinchek | 24 | Wife | — | Pennsylvania |
| 25 | Patrick J Mcclure | 47 | Head | Policeman | Free State |
| 26 | Annie M Mcclure | 48 | Wife | — | Free State |
| 27 | Joseph J Mcclure | 21 | Son | Helper On Truck | Pennsylvania |
| 28 | Thomas R Mcclure | 20 | Son | Laborer | Pennsylvania |
| 29 | James G Mcclure | 17 | Son | — | Pennsylvania |
| 30 | Mary E Mcclure THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 31 | Robert A Mcclure | 13 | Son | — | Pennsylvania |
| 32 | Ann Marie Mcclure | 8 | Daughter | — | Pennsylvania |
| 33 | Charles G Murphy | 24 | Head | Helper On Truck | Pennsylvania |
| 34 | Frances G Murphy | 22 | Sister | New Worker | Pennsylvania |
| 35 | Frances B Dougherty | 61 | Aunt | — | Pennsylvania |
| 36 | Joseph W Baker | 25 | Head | Shipper | Pennsylvania |
| 37 | Theresa C Baker | 27 | Wife | — | Pennsylvania |
| 38 | Mary Grace Baker | 1 | Daughter | — | Pennsylvania |
| 39 | Gertrude S Moffat | 53 | Head | — | West Virginia |
| 40 | Sara E Moffat | 21 | Daughter | Comptometer Operator | Ohio |
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)