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William Schmidt — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Schmidt across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frances & John — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Oil Mixer |
| Industry | Oil Cloth |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Oil Mixer |
| Township / Ward | Philadelphia |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Frances Schmidt | Head | — | 62 | ~1878 |
| Louis Schmidt | Son | — | 38 | ~1902 |
| William Schmidt | Son | — | 25 | ~1915 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1918 — 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 | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Schmidt |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Oil Mixer |
| Industry | Oil Cloth |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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: mother Frances Schmidt (~0.92 confidence) and father John Gray (~0.92 confidence) and mother Cathyrne Schmidt (~0.92 confidence) and father Charles Schmidt (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Frances Schmidt
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
John Gray
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Cathyrne Schmidt
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Charles Schmidt
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Schmidt
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Louis Schmidt
Sibling · 1940 · age 38
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03720-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Bends | 29 | Boarder | Production Control | Pennsylvania |
| 42 | James Handy | 22 | Head | — | England |
| 43 | Ellen Handy | 44 | Wife | — | England |
| 44 | Francis Ryan | 26 | Head | Inspector | Pennsylvania |
| 45 | Emma Ryan | 25 | Wife | — | Pennsylvania |
| 46 | Francis Ryan | 0 | Son | — | Pennsylvania |
| 47 | George Togattis | 31 | Head | Press Operator | Pennsylvania |
| 48 | Josephine Togattis | 34 | Wife | — | New York |
| 49 | Thomas Jr Kelly | 28 | Head | Sander | Pennsylvania |
| 50 | Anna Kelly | 23 | Wife | — | Pennsylvania |
| 51 | Thomas J Kelly | 2 | Son | — | Pennsylvania |
| 52 | Charles Haring | 21 | Head | Sheet Metal Worker | Pennsylvania |
| 53 | Margaret Haring | 17 | Wife | — | Pennsylvania |
| 54 | Charles Zimmer | 60 | Head | Coal Passer | Pennsylvania |
| 55 | Mary Zimmer | 57 | Wife | — | Pennsylvania |
| 56 | Clarence Zimmer | 32 | Son | Laborer | Pennsylvania |
| 57 | Elmer Zimmer | 24 | Son | Laborer | Pennsylvania |
| 58 | Emma Kligge | 79 | Mother in law | — | Pennsylvania |
| 59 | George Dutill | 56 | Head | Nightwatchman | Pennsylvania |
| 60 | Martha Dutill | 53 | Wife | — | Pennsylvania |
| 61 | Betty Mae Dutill | 17 | Daughter | — | Pennsylvania |
| 62 | Margaret Dutill | 14 | Daughter | — | Pennsylvania |
| 63 | George Jr Dutill | 12 | Son | — | Pennsylvania |
| 64 | Cora Powell | 65 | Head | — | Georgia |
| 65 | Myrtle Stinson | 42 | Daughter | — | Georgia |
| 66 | Arthur Levy | 26 | Head | Knitter | Pennsylvania |
| 67 | Grace Levy | 27 | Wife | — | Pennsylvania |
| 68 | Grace M Levy | 6 | Daughter | — | Pennsylvania |
| 69 | William Brahman | 31 | Head | Knitter | Pennsylvania |
| 70 | Stella Brahman | 32 | Wife | Seamer | New Jersey |
| 71 | Frances Brahman | 6 | Daughter | — | Pennsylvania |
| 72 | Benjamin Ingram | 59 | Head | — | Pennsylvania |
| 73 | Bertha Ingram | 62 | Wife | — | Pennsylvania |
| 74 | Mamie Lynn | 38 | Daughter | Mender | Pennsylvania |
| 75 | Bertha Lynn | 14 | Daughter | — | Pennsylvania |
| 76 | Herman Mohl | 35 | Head | Filling Clerk | Pennsylvania |
| 77 | Thelma Mohl | 35 | Wife | — | Pennsylvania |
| 78 | Frances Schmidt | 62 | Head | — | Minnesota |
| 79 | Louis Schmidt | 38 | Son | Shipper | New Jersey |
| 80 | William Schmidt THIS PERSON | 25 | Son | Oil Mixer | Pennsylvania |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 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)