WS
William Schaefer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Schaefer across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 15
b. ~1915
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Schaefer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| John Schaefer | Son | — | 17 | ~1913 |
| George Schaefer | Son | — | 5 | ~1925 |
| William Schaefer | Son | — | 15 | ~1915 |
| Mary Schaefer | Daughter | — | 8 | ~1922 |
| John Schaefer | Head | — | 43 | ~1887 |
| Edith Schaefer | Spouse | — | 43 | ~1887 |
| Richard Schaefer | Son | — | 3 | ~1927 |
| Thomas Schaefer | Son | — | 11 | ~1919 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 15
Philadelphia, Pennsylvania · implied b. ~1915 — 8 household members
| Surname | Schaefer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Highest Grade | C 2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 William Schaefer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Schaefer
Son · 1930 · age 15 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
George Schaefer
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Schaefer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Schaefer
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Schaefer
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Schaefer
Sibling · 1930 · age 3
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:fifteenthcensus00reel2111:0560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas | 18 | Boarder | Chauffeur | Penna |
| 52 | Rocco Macchia | 26 | Head | Tailor | Italy |
| 53 | Antoinette Macchia | 26 | Wife | — | Italy |
| 54 | Joseph Macchia | 1 | Son | — | Penna |
| 55 | Eleonore Macchia | 0 | Daughter | — | Penna |
| 56 | James A Conway | 30 | Head | Accountant | Penna |
| 57 | Margaret Conway | 29 | Wife | — | Penna |
| 58 | James A Conway | 5 | Son | — | Penna |
| 59 | Thomas Conway | 3 | Son | — | Penna |
| 60 | Thomas Mcaleer | 45 | Head | Houseman | Irish Free State |
| 61 | Mary Mcaleer | 45 | Wife | Chambermaid | Irish Free State |
| 62 | Thomas Mcaleer | 10 | Son | — | Penna |
| 63 | Michael Mcaleer | 38 | Brother | Houseman | Irish Free State |
| 64 | Edward Dougherty | 30 | Head | Hoseman | Penna |
| 65 | Elizabeth Dougherty | 22 | Wife | — | Delaware |
| 66 | James Dougherty | 10 | Son | — | Penna |
| 67 | Edward Dougherty | 9 | Son | — | Penna |
| 68 | Dorothy Dougherty | 7 | Daughter | — | Penna |
| 69 | Anna Dougherty | 5 | Daughter | — | Penna |
| 70 | Harry Dougherty | 4 | Son | — | Penna |
| 71 | Catherine Dougherty | 2 | Daughter | — | Penna |
| 72 | Philip Dougherty | 19 | Brother-in-law | — | Delaware |
| 73 | Mary Buckley | 43 | Head | Twist Examiner | Irish Free State |
| 74 | John Buckley | 18 | Son | Service Man | Pennsylvania |
| 75 | Edward Buckley | 14 | Son | — | Pennsylvania |
| 76 | Mary Dolan | 60 | Cousin | Housekeeper | Pennsylvania |
| 77 | Mark Caffrey | 40 | Head | — | Pennsylvania |
| 78 | Jane Caffrey | 40 | Wife | Auto Mechanic | Penna |
| 79 | Joseph Caffrey | 20 | Son | Helper | Penna |
| 80 | James Caffrey | 17 | Son | Clerical Work | Penna |
| 81 | Eleanor Caffrey | 15 | Daughter | — | Penna |
| 82 | Louis Saltzgueler | 39 | Head | Printer | Penna |
| 83 | Edna Saltzgueler | 34 | Wife | — | Penna |
| 84 | Louis Saltzgueler | 11 | Son | — | Penna |
| 85 | Joseph Clarke | 39 | Head | Driver | Penna |
| 86 | Matilda Clarke | 38 | Wife | — | England |
| 87 | James Clarke | 15 | Son | — | Penna |
| 88 | Cecelia Clarke | 8 | Daughter | — | Penna |
| 89 | Walter Clarke | 7 | Son | — | Penna |
| 90 | Rita Clarke | 3 | Daughter | — | Penna |
| 91 | Alice Clarke | 2 | Daughter | — | Penna |
| 92 | Doris Clarke | 0 | Daughter | — | Penna |
| 93 | John Schaefer | 43 | Head | Clerk | Indiana |
| 94 | Edith Schaefer | 43 | Wife | — | Germany |
| 95 | John Schaefer | 17 | Son | — | Penna |
| 96 | William Schaefer THIS PERSON | 15 | Son | — | Penna |
| 97 | Thomas Schaefer | 11 | Son | — | Penna |
| 98 | Mary Schaefer | 8 | Daughter | — | Penna |
| 99 | George Schaefer | 5 | Son | — | Penna |
| 100 | Richard Schaefer | 3 | Son | — | Penna |
Related Census Records
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)