MD
Mary Downey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Downey across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 7
b. ~1923
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Downey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Michael Downey | Head | — | 40 | ~1890 |
| Rita Downey | Daughter | — | 5 | ~1925 |
| Anna Downey | Daughter | — | 19 | ~1911 |
| Catherine Downey | Daughter | — | ~1930 | |
| Anna Downey | Other | — | 40 | ~1890 |
| Virginia Downey | Daughter | — | 2 | ~1928 |
| Mary Downey | Daughter | — | 7 | ~1923 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 7 household members
| Surname | Downey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Daughter, age 17
Delaware-County, Pennsylvania · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Downey |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Delaware |
| Highest Grade | G 8 |
| 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 Downey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Downey
Daughter · 1930 · age 7 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Virginia Downey
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Downey
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Downey
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Downey
Sibling · 1930 · age 5
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:fifteenthcensus00reel2108:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Picow | 33 | Head | Manager | Russia-Kiev |
| 2 | Sara Picow | 37 | Wife-H | — | Russia-Riga |
| 3 | Ida Picow | 12 | Daughter | — | Texas |
| 4 | Isidore Picow | 11 | Son | — | Pennsylvania |
| 5 | Ray Picow | 5 | Daughter | — | Pennsylvania |
| 6 | Philip Kuchinsky | 42 | Head | Baker | Russia |
| 7 | Mary Kuchinsky | 41 | Wife-H | — | Austria |
| 8 | John Callahan | 50 | Head | Machinist | Ireland-Northern |
| 9 | Mary Callahan | 50 | Wife-H | — | Ireland |
| 10 | James Callahan | 21 | Son | Chauffeur | Pennsylvania |
| 11 | Margaret Callahan | 18 | Daughter | Clerk | Pennsylvania |
| 12 | Helen Callahan | 16 | Daughter | — | Pennsylvania |
| 13 | Anna Callahan | 10 | Daughter | — | Pennsylvania |
| 14 | John Freeman | 29 | Head | Carpenter | New Jersey |
| 15 | Mary Freeman | 22 | Wife-H | — | Pennsylvania |
| 16 | Anna Freeman | 3 | Daughter | — | Michigan |
| 17 | James Roulston | 32 | Head | Laborer | Ireland-Free State |
| 18 | Elizabeth Roulston | 42 | Wife-H | — | Scotland |
| 19 | Joseph Roulston | 18 | Nephew | Laborer | Ireland-Free State |
| 20 | Jack Fulton | 21 | Lodger | Laborer | Ireland-Free State |
| 21 | Michael Downey | 40 | Head | Laborer | Ireland-Cork |
| 22 | Anna Downey | 40 | Wife-H | — | Ireland-Northern |
| 23 | Anna Downey | 19 | Daughter | — | Pennsylvania |
| 24 | Mary Downey THIS PERSON | 7 | Daughter | — | Pennsylvania |
| 25 | Rita Downey | 5 | Daughter | — | Pennsylvania |
| 26 | Virginia Downey | 2 | Daughter | — | Pennsylvania |
| 27 | Catherine Downey | 0 | Daughter | — | Pennsylvania |
| 28 | Horace Wiley | 52 | Head | Gardner | Maine |
| 29 | Anna Wiley | 52 | Wife-H | — | Ireland-North |
| 30 | Richard Wiley | 19 | Son | Plumber | Maine |
| 31 | Thomas Gibson | 65 | Head | Laborer | England-London |
| 32 | Mary C Gibson | 42 | Wife-H | — | Ireland-Northern |
| 33 | Newton Gibson | 21 | Son | Solderer | Pennsylvania |
| 34 | Edith Gibson | 18 | Daughter | Moulder | Pennsylvania |
| 35 | Mary Gibson | 12 | Daughter | — | Pennsylvania |
| 36 | Annetta Gibson | 9 | Daughter | — | Pennsylvania |
| 37 | Josephine Gibson | 7 | Daughter | — | Pennsylvania |
| 38 | John Stackhouse | 60 | Head | Brakeman | Pennsylvania |
| 39 | Carrie Stackhouse | 59 | Wife-H | — | Pennsylvania |
| 40 | Ruth Stackhouse | 33 | Daughter | Filler | Pennsylvania |
| 41 | Florence Stackhouse | 20 | Daughter | — | Pennsylvania |
| 42 | Robert Stackhouse | 14 | Son | — | Pennsylvania |
| 43 | Eugene Bridges | 43 | Head-H | Laborer | Georgia |
| 44 | Edward Mconigre | 52 | Head | Boiler Maker | Ireland-Northern |
| 45 | Anna Mconigre | 43 | Wife-H | — | Ireland-Northern |
| 46 | Edward J Mconigre | 15 | Son | — | Pennsylvania |
| 47 | John Mconigre | 13 | Son | — | Pennsylvania |
| 48 | John Phillips | 17 | Son-in-law | Ice Man | Pennsylvania |
| 49 | Mary Phillips | 17 | Daughter | — | Pennsylvania |
| 50 | John Jr Phillips | 1 | Grandson | — | Pennsylvania |
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)