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Mary Donohue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| Sara Donohue | Spouse | — | 37 | ~1903 |
| William Donohue | Son | — | 4 | ~1936 |
| Mary Donohue | Daughter | — | 14 | ~1926 |
| Margaret Donohue | Daughter | — | 11 | ~1929 |
| Helen Donohue | Daughter | — | 5 | ~1935 |
| Elizabeth Donohue | Daughter | — | 9 | ~1931 |
| Vincent Donohue | Son | — | 2 | ~1938 |
| Joseph Donohue | Son | — | 8 | ~1932 |
| Joseph Donohue | Head | — | 44 | ~1896 |
| Francis Donohue | Son | — | 6 | ~1934 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 14
Philadelphia-County, Pennsylvania · implied b. ~1926 — 10 household members
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | Hs 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 Donohue across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donohue
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
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Sibling
Joseph Donohue
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Donohue
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Donohue
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Donohue
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Donohue
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donohue
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donohue
Sibling · 1940 · age 11
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03732-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank J Ward | 29 | Head | Painter | Pennsylvania |
| 2 | Rose Ward | 27 | Wife | — | Italy |
| 3 | John Ward | 2 | Son | — | Pennsylvania |
| 4 | Frank Jr Ward | 0 | Son | — | Pennsylvania |
| 5 | Henry Peace | 60 | Head | Dyer | England |
| 6 | Frances M Peace | 60 | Wife | — | England |
| 7 | Matthew Norman Day | 37 | Son-in-law | Vault Custodian | Pennsylvania |
| 8 | Annie P Day | 34 | Daughter | — | Pennsylvania |
| 9 | Joseph Peace | 55 | Brother-in-law | — | England |
| 10 | Edward P Brown | 44 | Head | Inspector | Pennsylvania |
| 11 | Anna Brown | 41 | Wife | — | Pennsylvania |
| 12 | Lois Brown | 13 | Daughter | — | Pennsylvania |
| 13 | Janice Brown | 3 | Daughter | — | Pennsylvania |
| 14 | Sandra Brown | 2 | Daughter | — | Pennsylvania |
| 15 | Joseph Donohue | 44 | Head | Clerk | Pennsylvania |
| 16 | Sara Donohue | 37 | Wife | — | Pennsylvania |
| 17 | Mary Donohue THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 18 | Margaret Donohue | 11 | Daughter | — | Pennsylvania |
| 19 | Elizabeth Donohue | 9 | Daughter | — | Pennsylvania |
| 20 | Joseph Jr Donohue | 8 | Son | — | Pennsylvania |
| 21 | Francis Donohue | 6 | Son | — | Pennsylvania |
| 22 | Helen V Donohue | 5 | Daughter | — | Pennsylvania |
| 23 | William Donohue | 4 | Son | — | Pennsylvania |
| 24 | Vincent Donohue | 2 | Son | — | Pennsylvania |
| 25 | Thomas Day | 68 | Head | Electrician | Delaware |
| 26 | Eva Day | 63 | Wife | — | Pennsylvania |
| 27 | Harry Day | 29 | Son | Carder | Pennsylvania |
| 28 | Matthew C Haddy | 53 | Head | Foreman | Pennsylvania |
| 29 | Caroline Haddy | 50 | Wife | — | Pennsylvania |
| 30 | William Haddy | 28 | Son | Clipper | Pennsylvania |
| 31 | Matthew Jr Haddy | 25 | Son | Bundler | Pennsylvania |
| 32 | Samuel Haddy | 22 | Son | Janitor | Pennsylvania |
| 33 | Ruth Haddy | 19 | Daughter | Maid | Pennsylvania |
| 34 | Martha Haddy | 16 | Daughter | — | Pennsylvania |
| 35 | Frank Haddy | 13 | Son | — | Pennsylvania |
| 36 | Carolyn Haddy | 10 | Daughter | — | Pennsylvania |
| 37 | Edwin Leveson | 50 | Head | Machinist | England |
| 38 | Alice Leveson | 51 | Wife | — | England |
| 39 | Margaret Leveson | 22 | Daughter | Assembler | England |
| 40 | Kathleen Leveson | 18 | Daughter | New Worker | 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)