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Mary Bullock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Bullock across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 2-person household.
Age 66
b. ~1864
Female
Head
Born: Austria
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Bullock |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 23 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | H R |
| Home Value / Rent | 25 |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Helper |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1864 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Bullock | Son | — | 35 | ~1895 |
| Mary Bullock | Head | — | 66 | ~1864 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 56
Philadelphia, Pennsylvania · implied b. ~1864 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bullock |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Austria |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Class of Worker | 1890 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Philadelphia, Pennsylvania
Head, age 66
Philadelphia, Pennsylvania · implied b. ~1864 — 2 household members
| Surname | Bullock |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 23 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | H R |
| Home Value / Rent | 25 |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Philadelphia-County, Pennsylvania
Other, age 71
Philadelphia-County, Pennsylvania · implied b. ~1869 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ballock |
| Given Name | Mary |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Austria |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Alien |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same Place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Bullock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Bullock
Head · 1930 · age 66 · b. ~1864 · Pennsylvania
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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
26 people indexed on this census page (ia:1930:fifteenthcensus00reel2114:0772)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Riley | 40 | Wife-H | — | No. Ireland |
| 2 | Catherine Riley | 18 | Daughter | Inspector | Pennsylvania |
| 3 | Mary Riley | 16 | Daughter | — | Pennsylvania |
| 4 | Margaret Riley | 14 | Daughter | — | Pennsylvania |
| 5 | Anna Riley | 12 | Daughter | — | Pennsylvania |
| 6 | Loretta Riley | 7 | Daughter | — | Pennsylvania |
| 7 | Calvin Alexander Riley | 68 | Lodger | Baker | Pennsylvania |
| 8 | Edward Lawless | 38 | Head | Watchman | Pennsylvania |
| 9 | Bridget Lawless | 37 | Wife-H | Porter | Northern Ireland |
| 10 | Frederick Lawless | 4 | Son | — | Pennsylvania |
| 11 | John Lawless | 5 | Son | — | Pennsylvania |
| 12 | Mary Bullock THIS PERSON | 66 | Head | Helper | Austria |
| 13 | John Bullock | 35 | Son | Baker | Pennsylvania |
| 14 | James Casey | 34 | Head | Teamster | Pennsylvania |
| 15 | Catherine Casey | 29 | Wife-H | — | Pennsylvania |
| 16 | James Jr. Casey | 8 | Son | — | Pennsylvania |
| 17 | Marion Casey | 7 | Daughter | — | Pennsylvania |
| 18 | George Casey | 6 | Son | — | Pennsylvania |
| 19 | Margaret Casey | 2 | Daughter | — | Pennsylvania |
| 20 | George Chrisman | 48 | Head | Roaster | Pennsylvania |
| 21 | Rose Chrisman | 50 | Wife-H | — | Northern Ireland |
| 22 | John Burns | 47 | Lodger | Watchman | Pennsylvania |
| 23 | John R. Armour | 39 | Head | Fireman | Pennsylvania |
| 24 | Catherine Armour | 37 | Wife-H | — | Pennsylvania |
| 25 | Dorothy Armour | 17 | Daughter | — | Pennsylvania |
| 26 | Ethel M. Armour | 13 | Daughter | — | 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)