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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 Paul & Mary — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
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 | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Railroad Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Office Clerk |
| Township / Ward | East Mckeesport Boro |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Schmidt | Head | — | 28 | ~1912 |
| Albert Forsythe | Other | — | 45 | ~1895 |
| Paul Schmidt | Son | — | 1 | ~1939 |
| Jean Schmidt | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Mother Tongue | German |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 28
Allegheny-County, Pennsylvania · implied b. ~1912 — 4 household members
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport |
| 1935 Residence (County) | Allegheny |
| Occupation | Office Clerk |
| Industry | Railroad Equipment |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| 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 Paul Schmidt (~0.92 confidence) and mother Mary Schmidt (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Paul Schmidt
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Schmidt
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Head · 1940 · age 28 · b. ~1912 · 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
27 people indexed on this census page (nara:1940:m-t0627-03402-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sarah Ella Pollock | 66 | Head | — | Pennsylvania |
| 42 | Agnes Mitchell | 66 | Head | — | Scotland |
| 43 | Violet Mitchell | 32 | Daughter | Office Clerk | Pennsylvania |
| 44 | Arthur R. Logan | 30 | Head | Machine Hand | Pennsylvania |
| 45 | Betty Logan | 22 | Wife | — | Pennsylvania |
| 46 | Ernest Clevenhaus | 44 | Head | Collector | Germany |
| 47 | Anna Clevenhaus | 39 | Wife | — | Pennsylvania |
| 48 | Robert E. Williams | 25 | Head | Druggist | Pennsylvania |
| 49 | Lois Williams | 21 | Wife | — | Ohio |
| 50 | Bruce B. Pringle | 29 | Head | Teacher | Pennsylvania |
| 51 | Mary K. Pringle | 25 | Wife | — | Pennsylvania |
| 52 | Kathryn L. Pringle | 0 | Daughter | — | Pennsylvania |
| 53 | Henry Wagner | 63 | Head | Cost Inspector | Ohio |
| 54 | Augusta Wagner | 63 | Wife | — | Ohio |
| 55 | Ruth Curry | 24 | Friend | Typist | Pennsylvania |
| 56 | Oron O. Cherp | 63 | Head | Traffic Policeman | Pennsylvania |
| 57 | Elizabeth A. Cherp | 60 | Wife | — | Pennsylvania |
| 58 | John Cherp | 28 | Son | Poultry Dealer | Pennsylvania |
| 59 | John R. Kunkle | 26 | Head | Laborer | Pennsylvania |
| 60 | Kathryn Kunkle | 24 | Wife | — | Pennsylvania |
| 61 | Dolores E. Kunkle | 5 | Daughter | — | Pennsylvania |
| 62 | William Schmidt THIS PERSON | 28 | Head | Office Clerk | Pennsylvania |
| 63 | Jean Schmidt | 27 | Wife | — | Pennsylvania |
| 64 | Paul C. Schmidt | 1 | Son | — | Pennsylvania |
| 65 | Albert Forsythe | 45 | Lodger | Proprietor | Pennsylvania |
| 66 | Thomas J. Henry | 61 | Head | Machine Oper. | Pennsylvania |
| 67 | Ida L. Henry | 59 | Wife | — | Pennsylvania |
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)