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Dorothy Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Dorothy Schmidt across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 8-person household.
Age 26
b. ~1914
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Sales lady |
| Industry | Seed company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 370 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesperson |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1914 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Helen Schmidt | Daughter | — | 24 | ~1916 |
| Joseph Schmidt | Son | — | 15 | ~1925 |
| Adah Schmidt | Spouse | — | 51 | ~1889 |
| Wilma Schmidt | Daughter | — | 17 | ~1923 |
| Harold Schmidt | Son | — | 11 | ~1929 |
| Joseph Schmidt | Head | — | 51 | ~1889 |
| Nelda Schmidt | Daughter | — | 13 | ~1927 |
| Dorothy Schmidt | Daughter | — | 26 | ~1914 |
Census Appearances
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 26
Cook-County, Illinois · implied b. ~1914 — 8 household members
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | City of Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Sales lady |
| Industry | Seed company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 370 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 26 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Wilma Schmidt
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Schmidt
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Schmidt
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Schmidt
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nelda Schmidt
Sibling · 1940 · age 13
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01010-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Herbet | 67 | Head | Electro-Plater | Austria |
| 2 | Emma Herbet | 48 | Wife | — | Illinois |
| 3 | Fred Jr. Herbet | 27 | Son | Electro-Plater | Illinois |
| 4 | Robert Herbet | 20 | Son | Clerk | Indiana |
| 5 | Robert Ehle | 58 | Head | Receiving Clerk | Illinois |
| 6 | Mary Ehle | 60 | Wife | — | Illinois |
| 7 | Virginia Ehle | 23 | Daughter | Statistical Clerk | Illinois |
| 8 | Waldemar Froebel | 61 | Head | Photo Engraver | Germany |
| 9 | Margaret Froebel | 61 | Wife | — | Germany |
| 10 | Allan Speaker | 24 | Head | Night Watchman | Illinois |
| 11 | Irene Speaker | 25 | Wife | — | Illinois |
| 12 | Harry A. Speaber | 48 | Head | Deputy Sheriff | Illinois |
| 13 | Laura Speaber | 45 | Wife | — | Missouri |
| 14 | Charlotte Speaber | 23 | Daughter | Order Clerk | Illinois |
| 15 | Alexander Cordero | 36 | Head | Masseur | California |
| 16 | Jeanette Cordero | 26 | Wife | — | Illinois |
| 17 | Don Cordero | 3 | Son | — | Illinois |
| 18 | Mary Cordero | 2 | Daughter | — | Illinois |
| 19 | Susan Mrocki | 88 | Head | — | Poland |
| 20 | John Mrocki | 57 | Son | Laborer | Poland |
| 21 | Frank Mrocki | 50 | Son | Painter | Poland |
| 22 | Mary White | 68 | Head | — | Southern Ireland |
| 23 | John White | 44 | Son | House-Man | Illinois |
| 24 | Frances White | 27 | Daughter | General Office Girl | Illinois |
| 25 | Norah Guthrie | 44 | Daughter | — | Illinois |
| 26 | Paul Rakoncay | 25 | Head | Checker | Illinois |
| 27 | Dorothy Rakoncay | 21 | Wife | — | Illinois |
| 28 | Paul H. Rakoncay | 0 | Son | — | Illinois |
| 29 | Joseph Schmidt | 51 | Head | Butcher | Germany |
| 30 | Adah Schmidt | 51 | Wife | — | Illinois |
| 31 | Dorothy Schmidt THIS PERSON | 26 | Daughter | Sales Lady | Illinois |
| 32 | Helen Schmidt | 24 | Daughter | Sales Lady | Illinois |
| 33 | Wilma Schmidt | 17 | Daughter | — | Illinois |
| 34 | Joseph J. Schmidt | 15 | Son | — | Illinois |
| 35 | Nelda Schmidt | 13 | Daughter | — | Illinois |
| 36 | Harold Schmidt | 11 | Son | — | Illinois |
| 37 | Marie R. Horn | 55 | Head | Receptionist | Illinois |
| 38 | Harry Muck | 52 | Lodger | Floor Finisher | England |
| 39 | Karl Puttfarken | 50 | Head | Baker | Germany |
| 40 | Rose Puttfarken | 47 | Wife | Trimmer | Romania |
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)