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William Schaefer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Schaefer across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Schaefer |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Schaefer | Son | — | 14 | ~1926 |
| Herbert Schaefer | Son | — | 27 | ~1913 |
| Richard Schaefer | Son | — | 8 | ~1932 |
| Janet Schaefer | Spouse | — | 46 | ~1894 |
| Robert Schaefer | Son | — | 17 | ~1923 |
| Herbert Schaefer | Head | — | 47 | ~1893 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaffer |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 14
Allegheny-County, Pennsylvania · implied b. ~1926 — 6 household members
| Surname | Schaefer |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 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 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 · 1940 · age 14 · b. ~1926 · Pennsylvania
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Sibling
Herbert Schaefer
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Schaefer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Schaefer
Sibling · 1940 · age 17
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03674-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William R. Borsum | 63 | Head | Motorman | Pennsylvania |
| 2 | Mary J. Borsum | 61 | Wife | — | Pennsylvania |
| 3 | Mary M. Young | 55 | Head | Teacher | Pennsylvania |
| 4 | Jeannette P. Young | 55 | Sister | Teacher | Pennsylvania |
| 5 | Vera Schramm | 29 | Servant | Maid | Pennsylvania |
| 6 | George Bepler | 42 | Head | Coal Dealer | Pennsylvania |
| 7 | Carrie Bepler | 34 | Wife | — | Pennsylvania |
| 8 | Grace Patterson | 16 | Daughter | — | Ohio |
| 9 | Charles Romback | 27 | Head | Accountant | Pennsylvania |
| 10 | Dolores Romback | 21 | Wife | — | Pennsylvania |
| 11 | Charles Jr. Romback | 1 | Son | — | Pennsylvania |
| 12 | George B. Schad | 47 | Head | Cashier | Pennsylvania |
| 13 | Edna Schad | 45 | Wife | — | Pennsylvania |
| 14 | Jean Schad | 21 | Daughter | Office Clerk | Pennsylvania |
| 15 | George Jr. Schad | 17 | Son | — | Pennsylvania |
| 16 | Mary Scott Maurer | 58 | Head | Teacher | Ohio |
| 17 | Clara A. Scott | 57 | Sister | Teacher | Ohio |
| 18 | William Lubin | 60 | Head | Field Accountant | Pennsylvania |
| 19 | Emma Lubin | 56 | Wife | — | Pennsylvania |
| 20 | Dorothy M. Bruggeman | 75 | Mother-in-law | — | Germany |
| 21 | Richard Wenzel | 36 | Head | Auto Mechanic | Pennsylvania |
| 22 | Loretta Wenzel | 36 | Wife | — | Pennsylvania |
| 23 | Richard Jr. Wenzel | 7 | Son | — | Pennsylvania |
| 24 | William Layland | 49 | Head | Merchant Grocer | Pennsylvania |
| 25 | Margaret E. Layland | 46 | Wife | — | Pennsylvania |
| 26 | John Layland | 13 | Son | — | Pennsylvania |
| 27 | Norman Layland | 12 | Son | — | Pennsylvania |
| 28 | Elizabeth Wagener | 83 | Aunt | — | Pennsylvania |
| 29 | Herbert D. Sr. Schaefer | 47 | Head | Special Agent | Pennsylvania |
| 30 | Janet Schaefer | 46 | Wife | — | Pennsylvania |
| 31 | Herbert Jr. Schaefer | 27 | Son | — | Pennsylvania |
| 32 | Robert C. Schaefer | 17 | Son | Delivery Boy | Pennsylvania |
| 33 | William F. Schaefer THIS PERSON | 14 | Son | — | Pennsylvania |
| 34 | Richard J. Schaefer | 8 | Son | — | Pennsylvania |
| 35 | Robert R. Bauer | 55 | Head | Chief Engineer | Pennsylvania |
| 36 | Eleanor M. Bauer | 48 | Wife | — | Pennsylvania |
| 37 | Frances Bauer | 20 | Daughter | Office Clerk | Pennsylvania |
| 38 | Lawrence R. Bauer | 17 | Son | Errand Boy | Pennsylvania |
| 39 | Frances C. Geisner | 44 | Sister-in-law | Secretary | Pennsylvania |
| 40 | Frank P. Neil | 49 | Head | Squad Leader | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)