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William Fischer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Fischer across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 10-person household.
Age 27
b. ~1913
Male
Son
Born: West Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Fischer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Tracer |
| Industry | Flower Nursery |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 533 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Tracer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1913 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Donald Fischer | Son | — | 25 | ~1915 |
| Charles Jamison | Son | — | 14 | ~1926 |
| William Fischer | Son | — | 27 | ~1913 |
| James Jamison | Son | — | 13 | ~1927 |
| Frank Meeker | Other | — | 63 | ~1877 |
| Frank Fischer | Son | — | 21 | ~1919 |
| Anna Fischer | Other | — | 22 | ~1918 |
| Hattie Jamison | Head | — | 51 | ~1889 |
| Earl Kruhm | Other | — | 20 | ~1920 |
| Betty Fischer | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 17
Allegheny, Pennsylvania · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fisher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Ohio |
| Mother's Birthplace | West Virginia |
| Occupation | Worker |
| Industry | Jack Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Allegheny-County, Pennsylvania
Son, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 10 household members
| Surname | Fischer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | West Virginia |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Occupation | Tracer |
| Industry | Flower Nursery |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 533 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Fischer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Fischer
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
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Sibling
Betty Fischer
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Fischer
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jamison
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Jamison
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Fischer
Sibling · 1940 · 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
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-t0627-03675-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Griffin | 7 | Son | — | Pennsylvania |
| 2 | Elizabeth Griffin | 5 | Daughter | — | Pennsylvania |
| 3 | Lottie Chambers | 53 | Mother | Ironer | Pennsylvania |
| 4 | Benjamin Harlan, Jr. | 48 | Head | Maintenance Man | Pennsylvania |
| 5 | Marjorie Harlan, Jr. | 23 | Wife | — | Pennsylvania |
| 6 | Clarence Wilhelm | 33 | Head | Maintenance Man | Pennsylvania |
| 7 | Catherine Wilhelm | 28 | Wife | — | Pennsylvania |
| 8 | Catherine Wilhelm | 11 | Daughter | — | Pennsylvania |
| 9 | Lawrence Wilhelm | 9 | Son | — | Pennsylvania |
| 10 | Joseph Foley | 25 | Brother | Laborer | Pennsylvania |
| 11 | Salvatore Vighale | 44 | Head | Watchman | Italy |
| 12 | Mary Vighale | 30 | Wife | — | Italy |
| 13 | Gloria Vighale | 11 | Daughter | — | Pennsylvania |
| 14 | Joseph Vighale | 11 | Son | — | Pennsylvania |
| 15 | Carmella Vighale | 9 | Daughter | — | Pennsylvania |
| 16 | Anthony Vighale | 7 | Son | — | Pennsylvania |
| 17 | Lucy Vighale | 7 | Daughter | — | Pennsylvania |
| 18 | Joseph Rogers | 33 | Head | Huckster | Pennsylvania |
| 19 | Josephine Rogers | 38 | Wife | — | Pennsylvania |
| 20 | Margaret Rogers | 19 | Daughter | — | Pennsylvania |
| 21 | Hattie Jamison | 51 | Head | — | West Virginia |
| 22 | Donald Et Al Fischer | 25 | Son | Riveter Man | West Virginia |
| 23 | Frank Fischer | 21 | Son | Laborer | West Virginia |
| 24 | Charles Jamison | 14 | Son | — | West Virginia |
| 25 | James Jamison | 13 | Son | — | Pennsylvania |
| 26 | William Fischer THIS PERSON | 27 | Son | Tracer | West Virginia |
| 27 | Anna Fischer | 22 | Daughter-in-law | — | Pennsylvania |
| 28 | Betty Ann Fischer | 2 | Daughter | — | Pennsylvania |
| 29 | Frank S. Meeker | 63 | Brother | First Mate | West Virginia |
| 30 | Earl Kruhm | 20 | Lodger | Roofer'S Helper | Pennsylvania |
| 31 | James Kensgan | 31 | Head | Chemist | Pennsylvania |
| 32 | Ruth Kensgan | 29 | Wife | — | Pennsylvania |
| 33 | Robert Kensgan | 9 | Son | — | Pennsylvania |
| 34 | Maureen Kensgan | 5 | Daughter | — | Pennsylvania |
| 35 | Rose Hontz | 67 | Head | — | England |
| 36 | Frances Klubert | 30 | Daughter | Beautician | Pennsylvania |
| 37 | Ina Humphrey | 16 | Ward | — | Pennsylvania |
| 38 | Hazel Hazel | 14 | Ward | — | Pennsylvania |
| 39 | William W. Thompson | 61 | Head | Shipping Clerk | Pennsylvania |
| 40 | Gladys E. Thompson | 42 | Wife | Inspector | 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)