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William Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Schmidt across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Clara — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Tool maker |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Tool Maker |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Schmidt | Head | — | 32 | ~1908 |
| Ronald Schmidt | Son | — | 3 | ~1937 |
| Jane Schmidt | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 12
Allegheny, Pennsylvania · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 22
Allegheny, Pennsylvania · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Welder |
| Industry | Stone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 32
Allegheny-County, Pennsylvania · implied b. ~1908 — 3 household members
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Tool maker |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same home |
| 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 Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Schmidt (~0.92 confidence) and mother Clara Schmidt (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Schmidt
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Clara Schmidt
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Head · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
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-t0627-03677-00378)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Mcclinney | 35 | Wife | — | Pennsylvania |
| 42 | Evelyn Mcclinney | 13 | Daughter | — | Pennsylvania |
| 43 | Albert Mcclinney | 11 | Son | — | Pennsylvania |
| 44 | Elmer Mcclinney | 12 | Son | — | Pennsylvania |
| 45 | Walter Mcclinney | 10 | Son | — | Pennsylvania |
| 46 | Thelma Mcclinney | 8 | Daughter | — | Pennsylvania |
| 47 | Conner Mcclinney | 6 | Son | — | Pennsylvania |
| 48 | David Mcclinney | 3 | Son | — | Pennsylvania |
| 49 | Harry A. Cox | 41 | Head | Inspector | Pennsylvania |
| 50 | Myrtle Cox | 41 | Wife | — | Pennsylvania |
| 51 | Robert Cox | 17 | Son | — | Pennsylvania |
| 52 | Jeanetta Cox | 13 | Daughter | — | Pennsylvania |
| 53 | John H. Cox | 68 | Father | Engineer | Pennsylvania |
| 54 | Irene Duffy | 40 | Head | Foreman | Pennsylvania |
| 55 | Charles Duffy | 16 | Son | — | Pennsylvania |
| 56 | Charles Duffy | 36 | Brother | Foreman | Pennsylvania |
| 57 | — | None | — | — | — |
| 58 | Charles (E) Mcclenney | 79 | Head | Coal Miner | Pennsylvania |
| 59 | Jennie Mcclenney | 69 | Wife | — | Pennsylvania |
| 60 | Catherine Mcclenney | 35 | Daughter | Postmistress | Pennsylvania |
| 61 | Francis Lewis | 30 | Head | Clerk | Pennsylvania |
| 62 | Ann Lewis | 30 | Wife | — | Pennsylvania |
| 63 | Mary E. Lewis | 7 | Daughter | — | Pennsylvania |
| 64 | Thomas Lewis | 5 | Nephew | — | Pennsylvania |
| 65 | Daniel Mcclenney | 33 | Brother | Laborer | Pennsylvania |
| 66 | Marie Mcclenney | 24 | Sister-in-law | — | Pennsylvania |
| 67 | Patricia Mcclenney | 4 | Niece | — | Pennsylvania |
| 68 | Joseph Maw | 45 | Head | Craneman | Germany |
| 69 | Marie (X) Maw | 34 | Wife | — | Pennsylvania |
| 70 | Gladys Maw | 10 | Daughter | — | Pennsylvania |
| 71 | William Schmidt THIS PERSON | 32 | Head | Tool Maker | Pennsylvania |
| 72 | Jane (X) Schmidt | 29 | Wife | — | Pennsylvania |
| 73 | Ronald Schmidt | 3 | Son | — | Pennsylvania |
| 74 | Frank (X) Schmetzer | 65 | Head | Coal Miner | Pennsylvania |
| 75 | Mary Schmetzer | 62 | Sister | — | Pennsylvania |
| 76 | Barbara Schmetzer | 59 | Sister | Housekeeper | Pennsylvania |
| 77 | Nicholas Schmetzer | 64 | Brother | Coal Miner | Pennsylvania |
| 78 | John Schmetzer | 49 | Brother | Coal Miner | Pennsylvania |
| 79 | Thomas Miller | 55 | Head | Machinist | Scotland |
| 80 | Agnes Miller | 52 | Wife | — | Connecticut |
Pedigree Summary
William
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)