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Mary Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Whalen across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Whalen |
| Given Name | Mary Rita |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Anna Whalen | Daughter | — | 12 | ~1928 |
| Mary Whalen | Daughter | — | 10 | ~1930 |
| Rosemary Whalen | Daughter | — | 7 | ~1933 |
| Jane Whalen | Daughter | — | 14 | ~1926 |
| Frances Whalen | Daughter | — | 17 | ~1923 |
| Frank Whalen | Head | — | 52 | ~1888 |
| Agnes Handyride | Other | — | 70 | ~1870 |
| Anna Whalen | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | Mary Rita |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 10
Allegheny-County, Pennsylvania · implied b. ~1930 — 8 household members
| Surname | Whalen |
| Given Name | Mary Rita |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 3 |
| 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 Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Whalen
Daughter · 1940 · age 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Rosemary Whalen
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Whalen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Whalen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Whalen
Sibling · 1940 · age 14
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-t0627-03653-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Allan Toddy | 10 | Grandson | — | Pennsylvania |
| 2 | K. Head Stevenson | 51 | Head | Conductor | Northern Ireland |
| 3 | Mary Stevenson | 50 | Wife | — | Northern Ireland |
| 4 | Edna Mae Stevenson | 25 | Daughter | Bookkeeper | Pennsylvania |
| 5 | Irene Stevenson | 23 | Daughter | Laborer | Pennsylvania |
| 6 | William Unrath | 44 | Head | — | Pennsylvania |
| 7 | Louise Unrath | 40 | Wife | — | Pennsylvania |
| 8 | Dorothy Unrath | 21 | Daughter | Stenographer | Pennsylvania |
| 9 | Robert Unrath | 19 | Son | Musician | Pennsylvania |
| 10 | Letitia Unrath | 16 | Daughter | — | Pennsylvania |
| 11 | William Jr. Unrath | 11 | Son | — | Pennsylvania |
| 12 | Thomas Casalores | 49 | Lodger | Cook | Greece |
| 13 | Joseph Hubbard | 43 | Head | Bookkeeper | Delaware |
| 14 | Gladys Hubbard | 41 | Wife | — | West Va. |
| 15 | Peter Contis | 52 | Head | Proprietor | Greece |
| 16 | Alice Contis | 51 | Wife | — | Pennsylvania |
| 17 | William Contis | 25 | Son | Manager | Pennsylvania |
| 18 | Pauline Contis | 21 | Daughter | Cashier | Pennsylvania |
| 19 | Virginia Contis | 18 | Daughter | — | Pennsylvania |
| 20 | Emanuel Vlahos | 33 | Head | Waiter | Greece |
| 21 | Mary Vlahos | 27 | Wife | — | Pennsylvania |
| 22 | Catherine Vlahos | 4 | Daughter | — | Pennsylvania |
| 23 | John Schwartz | 56 | Head | Proprietor | Austria |
| 24 | Mildred Schwartz | 41 | Wife | — | Pennsylvania |
| 25 | Aaron Litman | 65 | Head | Cook | Austria |
| 26 | Rose Litman | 43 | Wife | — | Russia |
| 27 | Dave Litman | 31 | Son | Proprietor | Austria |
| 28 | Samuel Litman | 29 | Son | Salesman | Austria |
| 29 | Bertha Klotzman | 75 | Mother-in-law | — | Russia |
| 30 | Samuel Weinberg | 43 | Head | Bartender | Pennsylvania |
| 31 | Frances Weinberg | 38 | Wife | — | Pennsylvania |
| 32 | Jerry Weinberg | 21 | Nephew | — | Pennsylvania |
| 33 | Frank Whalen | 52 | Head | Printer | Pennsylvania |
| 34 | Anna Whalen | 48 | Wife | — | Pennsylvania |
| 35 | Frances Whalen | 17 | Daughter | — | Pennsylvania |
| 36 | Jane Whalen | 14 | Daughter | — | Pennsylvania |
| 37 | Anna Mae Whalen | 12 | Daughter | — | Pennsylvania |
| 38 | Mary Rita Whalen THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 39 | Rosemary Whalen | 7 | Daughter | — | Pennsylvania |
| 40 | Agnes Handyride | 70 | Mother-in-law | — | Irish Free State |
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)