DS
Dorothy Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Dorothy Schmidt across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belleville |
| 1935 Residence (County) | St Clair |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Belleville |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Martha Schmidt | Daughter | — | 8 | ~1932 |
| Paul Schmidt | Son | — | 16 | ~1924 |
| Raymond Schmidt | Son | — | 18 | ~1922 |
| James Schmidt | Son | — | 15 | ~1925 |
| Dorothy Schmidt | Daughter | — | 13 | ~1927 |
| John Schmidt | Son | — | 6 | ~1934 |
| Pauline Schmidt | Daughter | — | 11 | ~1929 |
| John Schmidt | Head | — | 46 | ~1894 |
| Catherine Schmidt | Daughter | — | 10 | ~1930 |
| Rita Schmidt | Daughter | — | 19 | ~1921 |
| Mary Schmidt | Daughter | — | 14 | ~1926 |
Census Appearances
1930
St Clair, …
Daughter, age 3
St Clair, Illinois · implied b. ~1927 — 25 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Daughter, age 13
St.-Clair-County, Illinois · implied b. ~1927 — 11 household members
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belleville |
| 1935 Residence (County) | St Clair |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Dorothy Schmidt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Schmidt
Daughter · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
John Schmidt
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Schmidt
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Schmidt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Schmidt
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Schmidt
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Schmidt
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Schmidt
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Schmidt
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Schmidt
Sibling · 1940 · age 8
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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00878-00185)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lena D Meyer | 56 | Daughter | Dressmaker | Illinois |
| 42 | Meindert Van Eizenga | 70 | Head | Casket Maker | Holland |
| 43 | Susanne Van Eizenga | 70 | Wife | — | Holland |
| 44 | Lizzie Stolle | 33 | Daughter | House Maid | Illinois |
| 45 | Carolyn Stolle | 13 | Grand Daughter | — | Illinois |
| 46 | Mary Stolle | 9 | Grand Daughter | — | Illinois |
| 47 | William De Boer | 53 | Brother-in-law | Concrete Finisher | Holland |
| 48 | Andrew Roach | 45 | Head | Pull Over | Missouri |
| 49 | Kathryn Roach | 30 | Wife | Shoe Cutter | Illinois |
| 50 | Joseph H Woellinger | 70 | Head | — | Illinois |
| 51 | Margaret Woellinger | 62 | Wife | — | Illinois |
| 52 | Arthur Woellinger | 35 | Son | Chauffeur | Illinois |
| 53 | Arthur Woellinger | 23 | Son | Chauffeur | Illinois |
| 54 | Erna Woellinger | 28 | Daughter | Brusher | Illinois |
| 55 | Frank Bingham | 40 | Head | Pull Over | Illinois |
| 56 | Louella Bingham | 38 | Wife | Cutter | Illinois |
| 57 | Kenneth Bingham | 13 | Son | — | Illinois |
| 58 | Samuel Pierce | 42 | Head | Laborer | Illinois |
| 59 | Viola Pierce | 40 | Wife | — | Illinois |
| 60 | Harry Pierce | 20 | Son | Laborer | Illinois |
| 61 | Mary Jane Pierce | 13 | Daughter | — | Illinois |
| 62 | Alvera Pierce | 11 | Daughter | — | Illinois |
| 63 | Samuel Jr. Pierce | 9 | Son | — | Illinois |
| 64 | Fred Hausman | 76 | Head | — | Missouri |
| 65 | Nattie Hausman | 67 | Wife | — | Illinois |
| 66 | Charles Hausman | 45 | Son | Laborer | Illinois |
| 67 | Herbert Hausman | 38 | Son | Clerk | Illinois |
| 68 | Shirley Jean Hausman | 15 | Grand Daughter | — | Illinois |
| 69 | John Schmidt | 46 | Head | Brewery Worker | Illinois |
| 70 | Rita Schmidt | 19 | Daughter | — | Illinois |
| 71 | Raymond Schmidt | 18 | Son | Linoleum Layer | Illinois |
| 72 | Paul Schmidt | 16 | Son | Drivers Helper | Illinois |
| 73 | James Schmidt | 15 | Son | Delivery Man | Illinois |
| 74 | Mary Schmidt | 14 | Daughter | — | Illinois |
| 75 | Dorothy Schmidt THIS PERSON | 13 | Daughter | — | Illinois |
| 76 | Pauline Schmidt | 11 | Daughter | — | Illinois |
| 77 | Catherine Schmidt | 10 | Daughter | — | Illinois |
| 78 | Martha Ann Schmidt | 8 | Daughter | — | Illinois |
| 79 | John Jr. Schmidt | 6 | Son | — | Illinois |
| 80 | Webster Schmidt | 31 | Head | Teacher | Illinois |
Related Census Records
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)