JF
Joseph Foster — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Joseph Foster across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 6-person household.
Age 18
b. ~1912
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Foster |
| Given Name | Joseph J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Bellboy |
| Industry | Business Club |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bellboy |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1912 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Foster | Daughter | — | 21 | ~1909 |
| Robert Foster | Son | — | 16 | ~1914 |
| John Foster | Son | — | 12 | ~1918 |
| Mary Foster | Head | — | 48 | ~1882 |
| Robert Foster | Spouse | — | 48 | ~1882 |
| Joseph Foster | Son | — | 18 | ~1912 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Joseph J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 6 household members
| Surname | Foster |
| Given Name | Joseph J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Bellboy |
| Industry | Business Club |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Joseph Foster across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Foster
Son · 1930 · age 18 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
John Foster
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Foster
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Foster
Sibling · 1930 · age 21
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
49 people indexed on this census page (ia:1930:fifteenthcensus00reel2105:0206)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary C. Boudon | 72 | Head | None | Pennsylvania |
| 52 | Mary E. Boudon | 43 | Daughter | Stenographer | Pennsylvania |
| 53 | Anna R. Boudon | 41 | Daughter | Saleswoman | Pennsylvania |
| 54 | Marguerite A. Boudon | 38 | Daughter | Hairdresser | Pennsylvania |
| 55 | Martha G. Boudon | 36 | Daughter | Hairdresser | Pennsylvania |
| 56 | Margaret A. Bracken | 61 | Sister | None | Pennsylvania |
| 57 | John Henderson | 65 | Head | Engineer | Pennsylvania |
| 58 | Emma Henderson | 56 | Wife | None | Pennsylvania |
| 59 | Lawrence W. Fisher | 39 | Boarder | Clerk | Pennsylvania |
| 60 | Paul C. Woodward | 33 | Head | Electrician | Pennsylvania |
| 61 | Katherine G. Woodward | 33 | Wife | None | Pennsylvania |
| 62 | Katherine G. Woodward | 11 | Daughter | None | Pennsylvania |
| 63 | Anna L. Woodward | 60 | Mother | Nurse | Pennsylvania |
| 64 | Daniel Geary | 52 | Head | Gardener | Pennsylvania |
| 65 | Catherine Geary | 45 | Wife | None | Pennsylvania |
| 66 | Mary Geary | 22 | Daughter | Engraver | Pennsylvania |
| 67 | Winifred Geary | 20 | Daughter | Clerk | Pennsylvania |
| 68 | Lucy Geary | 19 | Daughter | Finisher | Pennsylvania |
| 69 | Alice Geary | 17 | Daughter | Timekeeper | Pennsylvania |
| 70 | Daniel Geary | 14 | Son | None | Pennsylvania |
| 71 | Catherine Geary | 11 | Daughter | None | Pennsylvania |
| 72 | David Geary | 8 | Son | None | Pennsylvania |
| 73 | Rose Geary | 5 | Daughter | None | Pennsylvania |
| 74 | Mary M. Foster | 48 | Head | None | Pennsylvania |
| 75 | Robert J. Foster | 48 | Husband | Clerk | Pennsylvania |
| 76 | Mary M. Foster | 21 | Daughter | Stenographer | Pennsylvania |
| 77 | Joseph J. Foster THIS PERSON | 18 | Son | Bellboy | Pennsylvania |
| 78 | Robert J. Jr. Foster | 16 | Son | Collector | Pennsylvania |
| 79 | John Foster | 12 | Son | None | Pennsylvania |
| 80 | Mary Idema | 59 | Head | None | Pennsylvania |
| 81 | Edith Hurley Idema | 28 | Daughter | Stenographer | Pennsylvania |
| 82 | Emma Idema | 24 | Daughter | Bookkeeper | Pennsylvania |
| 83 | William Parsons | 66 | Head | Book Binder | Pennsylvania |
| 84 | Emma J. Parsons | 58 | Wife | None | Pennsylvania |
| 85 | Emma Parsons | 37 | Daughter | None | Pennsylvania |
| 86 | Richard Parsons | 33 | Son | None | Pennsylvania |
| 87 | Mary F. Reilly | 53 | Head | Teacher | Pennsylvania |
| 88 | Anna G. Reilly | 49 | Sister | Agent | Pennsylvania |
| 89 | William E. Reilly | 44 | Brother | Clerk | Pennsylvania |
| 90 | Charles M. Reilly | 40 | Brother | Clerk | Pennsylvania |
| 91 | Alice G. Reilly | 35 | Sister | None | Pennsylvania |
| 92 | John J. Hall | 69 | Head | Salesman | Pennsylvania |
| 93 | Margaret S. Hall | 65 | Wife | None | Pennsylvania |
| 94 | John J. Jr. Hall | 31 | Son | Manager | Pennsylvania |
| 95 | Snyder Rosa V. Hall | 73 | Sister-in-law | None | Pennsylvania |
| 96 | Fahey Margaret M. Hall | 39 | Niece | Stenographer | Pennsylvania |
| 97 | Julia Mueller | 53 | Head | None | Pennsylvania |
| 98 | Adeline Mueller | 32 | Daughter | Saleswoman | Pennsylvania |
| 99 | Clara Daverth | 50 | Sister | Clerk | 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)