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Louis Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Louis Schmidt across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 4-person household.
Age 68
b. ~1872
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Sharpsburg Borough |
| Est. Birth Year | ~1872 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Louis Schmidt | Head | — | 68 | ~1872 |
| Catherine Schmidt | Daughter | — | 20 | ~1920 |
| Louis Schmidt | Son | — | 25 | ~1915 |
| Mary Schmidt | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 51
Allegheny, Pennsylvania · implied b. ~1869 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis R |
| Relationship to Head | Head |
| Sex | M |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Baden Germany |
| Mother's Birthplace | Baden Germany |
| Occupation | Merchant |
| Industry | Grocery Store |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 61
Allegheny, Pennsylvania · implied b. ~1869 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Louis R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Switzerland |
| Occupation | Electrician |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 60 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 68
Allegheny-County, Pennsylvania · implied b. ~1872 — 4 household members
| Surname | Schmidt |
| Given Name | Louis |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharpsburg Borough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 6 |
| 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 Louis Schmidt across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Louis Schmidt
Head · 1940 · age 68 · b. ~1872 · Pennsylvania
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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-t0627-03417-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Perovich | 11 | son | — | West Virginia |
| 2 | Suzanne Peters | 55 | head | Retail | Austria |
| 3 | Andrew Peters | 33 | son | Salesman | Pennsylvania |
| 4 | Margaret Peters | 25 | daughter | Waitress | Pennsylvania |
| 5 | William Peters | 20 | son | New Worker | Pennsylvania |
| 6 | Edward Peters | 17 | son | — | Pennsylvania |
| 7 | James Peters | 9 | son | — | Pennsylvania |
| 8 | Daniel Willis | 36 | head | Driver | Pennsylvania |
| 9 | Hazel Willis | 31 | wife | Operator | Pennsylvania |
| 10 | Marie Mae | 58 | head | — | Pennsylvania |
| 11 | Bertram L. Mae | 16 | son | — | Pennsylvania |
| 12 | Gladys Mae | 13 | daughter | — | Pennsylvania |
| 13 | Regis Mae | 6 | son | — | Pennsylvania |
| 14 | John E. Stark | 31 | head | Foreman | Pennsylvania |
| 15 | Anna Stark | 30 | wife | — | Pennsylvania |
| 16 | John Stark | 16 | son | — | Pennsylvania |
| 17 | Henderson Llewellyn | 29 | lodger | General Office Clerk | Pennsylvania |
| 18 | Frank Wright | 46 | head | Foreman | Pennsylvania |
| 19 | Sarah Wright | 45 | wife | — | Pennsylvania |
| 20 | Jean Wright | 21 | daughter | Stenographer | Pennsylvania |
| 21 | Betty Jane Wright | 14 | daughter | — | Pennsylvania |
| 22 | Geraldine Wright | 2 | daughter | — | Pennsylvania |
| 23 | Thomas Willis | 77 | head | — | Maryland |
| 24 | Margaret Willis | 77 | wife | — | Pennsylvania |
| 25 | Moulden Lymany | 81 | sister in law | — | Canada |
| 26 | Eugene Noke | 22 | head | Laborer | Pennsylvania |
| 27 | Bernice Noke | 19 | wife | — | Pennsylvania |
| 28 | Curtis Thomas | 28 | head | Meat Cutter | Pennsylvania |
| 29 | Edna Thomas | 25 | wife | — | Pennsylvania |
| 30 | Marlene Thomas | 2 | daughter | — | Pennsylvania |
| 31 | George Zillich | 44 | head | Laborer | Austria |
| 32 | Mary Zillich | 32 | wife | — | Pennsylvania |
| 33 | Antonette Zillich | 9 | daughter | — | Pennsylvania |
| 34 | Georgia Zillich | 5 | daughter | — | Pennsylvania |
| 35 | Steven Zillich | 3 | son | — | Pennsylvania |
| 36 | Frank Zillich | 1 | son | — | Pennsylvania |
| 37 | Louis Schmidt THIS PERSON | 68 | head | — | Pennsylvania |
| 38 | Mary Schmidt | 55 | wife | — | Pennsylvania |
| 39 | Louis Schmidt | 25 | son | Laborer | Pennsylvania |
| 40 | Catherine Schmidt | 20 | daughter | Office Clerk | 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)