MD
Mary Donohue — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Donohue across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 1
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1929 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Francis Donohue | Son | — | ~1930 | |
| Eugene Donohue | Head | — | 38 | ~1892 |
| Mary Donohue | Daughter | — | 1 | ~1929 |
| Eugene Donohue | Son | — | 4 | ~1926 |
| Mary Donohue | Spouse | — | 35 | ~1895 |
| Thomas Donohue | Son | — | 2 | ~1928 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1929 — 6 household members
| Surname | Donohue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 10
Philadelphia-County, Pennsylvania · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 · 1930 · age 1 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Eugene Donohue
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donohue
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donohue
Sibling · 1930 · age
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2123:0944)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Eugene Donohue | 38 | Head | Inspector | Pennsylvania |
| 52 | Mary Donohue | 35 | Wife | — | Pennsylvania |
| 53 | Eugene Donohue | 4 | Son | — | Pennsylvania |
| 54 | Thomas Donohue | 2 | Son | — | Pennsylvania |
| 55 | Mary Donohue THIS PERSON | 1 | Daughter | — | Pennsylvania |
| 56 | Francis Donohue | 0 | Son | — | Pennsylvania |
| 57 | Jennie Dougherty | 50 | Head | — | Ireland |
| 58 | Joseph E. Dougherty | 24 | Son | Shoemaker | Pennsylvania |
| 59 | Mary Dougherty | 65 | Head | Electrician | Ireland |
| 60 | Jenny Davis | 33 | Daughter | — | Pennsylvania |
| 61 | Florence Davis | 15 | Granddaughter | Operator | Pennsylvania |
| 62 | Helen Davis | 8 | Granddaughter | Helper | Pennsylvania |
| 63 | George Henderson | 23 | Head | — | Pennsylvania |
| 64 | Anna Henderson | 24 | Wife | Chauffeur | Pennsylvania |
| 65 | George Henderson | 2 | Son | — | Pennsylvania |
| 66 | Edward Henderson | 1 | Son | — | Pennsylvania |
| 67 | Frances Berry | 22 | Sister in Law | — | Pennsylvania |
| 68 | Joseph Boyle | 21 | Brother in Law | Packer | Pennsylvania |
| 69 | Gertrude Boyle | 18 | Sister in Law | Laborer | Pennsylvania |
| 70 | Thomas F. Sharkey | 33 | Head | Operator | Pennsylvania |
| 71 | Rebecca Sharkey | 36 | Wife | Chauffeur | Pennsylvania |
| 72 | Anna Sharkey | 13 | Daughter | — | Pennsylvania |
| 73 | Elizabeth Sharkey | 9 | Daughter | — | Pennsylvania |
| 74 | Marie Trullio | 17 | Stepdaughter | — | New Jersey |
| 75 | James W. Porter | 23 | Brother in Law | Plumber | Pennsylvania |
| 76 | Carl B. Johnston | 36 | Head | Chauffeur | Pennsylvania |
| 77 | Margaret Johnston | 29 | Wife | — | Pennsylvania |
| 78 | Margaret Johnston | 12 | Daughter | — | Pennsylvania |
| 79 | Elizabeth Johnston | 8 | Daughter | — | Pennsylvania |
| 80 | Eleanor Johnston | 7 | Daughter | — | Pennsylvania |
| 81 | Carl Johnston | 1 | Son | — | Pennsylvania |
| 82 | Joseph Maloney | 35 | Head | — | Pennsylvania |
| 83 | Margaret Maloney | 38 | Wife | Clerk | Pennsylvania |
| 84 | J. Elizabeth Porter | 51 | Head | Operator | Pennsylvania |
| 85 | Agnes Porter | 22 | Daughter | — | Pennsylvania |
| 86 | Lilia Mulholland | 49 | Sister | Inspector | Pennsylvania |
| 87 | Ida Mcenroe | 41 | Head | Spinner | Pennsylvania |
| 88 | Lawrence Mcenroe | 20 | Son | Cleaner | Pennsylvania |
| 89 | Daniel Mcenroe | 12 | Son | Plasterer | Pennsylvania |
| 90 | Emma Mcenroe | 9 | Daughter | — | Pennsylvania |
| 91 | Anna Mcenroe | 5 | Daughter | — | Pennsylvania |
| 92 | Martin Haverty | 42 | Head | — | Pennsylvania |
| 93 | Jenny Haverty | 41 | Wife | Helper | Pennsylvania |
| 94 | Charles Brown | 20 | Step Son | — | Pennsylvania |
| 95 | Brown | None | — | Bookkeeping | — |
| 96 | George Spifugin | 35 | Head | Clerk | Pennsylvania |
| 97 | Mary E. Spifugin | 39 | Wife | — | Pennsylvania |
| 98 | Marie Spifugin | 5 | Daughter | — | Pennsylvania |
| 99 | George Spifugin | 4 | Son | — | Pennsylvania |
| 100 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)