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Dorothy Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this Dorothy Schmidt across the 1920, 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | PORT HURON |
| 1935 Residence (County) | ST. CLAIR |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Port Huron |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| John Schmidt | Son | — | 24 | ~1916 |
| Waldo Schmidt | Son | — | 18 | ~1922 |
| Otto Schmidt | Son | — | 23 | ~1917 |
| Alexander Schmidt | Son | — | 19 | ~1921 |
| Carl Schmidt | Head | — | 55 | ~1885 |
| Dorothy Schmidt | Spouse | — | 50 | ~1890 |
Census Appearances
1920
St Clair, …
Spouse, age 30
St Clair, Michigan · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1912 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
St Clair, …
Other, age 40
St Clair, Michigan · implied b. ~1890 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
St.-Clair-County, Michigan
Spouse, age 50
St.-Clair-County, Michigan · implied b. ~1890 — 6 household members
| Surname | Schmidt |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | PORT HURON |
| 1935 Residence (County) | ST. CLAIR |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Dorothy Schmidt
Spouse · 1940 · age 50 · b. ~1890 · Michigan
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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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01816-00222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth R. Mckinnon | 15 | Son | — | Michigan |
| 2 | Dorothy P. Mckinnon | 12 | Daughter | — | California |
| 3 | Shirley Mckinnon | 4 | Daughter | — | Michigan |
| 4 | Fred H. Hamel | 56 | Head | Forman | Illinois |
| 5 | Emma A. Hamel | 60 | Wife | — | Illinois |
| 6 | Fred H. Hamel | 22 | Son | Office Clerk | Michigan |
| 7 | Carl Schmidt | 66 | Head | Yard Worker | Russia |
| 8 | Kathline Schmidt | 63 | Wife | — | Russia |
| 9 | John Schumann | 65 | Head | — | Russia |
| 10 | Marie K. Schumann | 63 | Wife | — | Russia |
| 11 | Christian Schumann | 38 | Son | Laborer | Russia |
| 12 | Edith Schumann | 22 | Daughter | Finisher | Michigan |
| 13 | John Schumann | 20 | Son | Grocery Clerk | Michigan |
| 14 | Elizabeth Schumann | 56 | Sister | — | Russia |
| 15 | Stephen Kinert | 52 | Head | Supervisor Of Tool Crib | Yugoslavia |
| 16 | Trese Kinert | 42 | Wife | — | Yugoslavia |
| 17 | Madeline M. Kinert | 24 | Daughter | Stenographer | Michigan |
| 18 | Joseph W. Kinert | 22 | Son | Time Keeper | Michigan |
| 19 | John S. Kinert | 18 | Son | — | Michigan |
| 20 | Carl H. Schmidt | 55 | Head | — | Russia |
| 21 | Dorothy Schmidt THIS PERSON | 50 | Wife | — | Russia |
| 22 | John Schmidt | 24 | Son | Order Passenger | Michigan |
| 23 | Otto F. Schmidt | 23 | Son | Draftsman | Michigan |
| 24 | Alexander Schmidt | 19 | Son | Automatic Bender Operator | Michigan |
| 25 | Waldo Schmidt | 18 | Son | New Worker | Michigan |
| 26 | Harry A. Kemp | 54 | Head | Carpenter | Michigan |
| 27 | Evella Kemp | 48 | Wife | Boat Trimmer | Michigan |
| 28 | Jean V. Kemp | 21 | Daughter | Waitress | Michigan |
| 29 | Patricia Y. Kemp | 14 | Daughter | — | Michigan |
| 30 | Albertson Kemp | 11 | Son | — | Michigan |
| 31 | Josiah H. Reichard | 69 | Head | Building Contractor | Canada-Eng |
| 32 | Clara A. Reichard | 69 | Wife | — | Michigan |
| 33 | Velma B. Reichard | 38 | Daughter | Cashier And Bookkeeper | Michigan |
| 34 | Allen R. Mclane | 44 | Head | Heat Treater | Michigan |
| 35 | Gladys M. Mclane | 40 | Wife | — | Michigan |
| 36 | Wanda L. Mclane | 15 | Daughter | — | Michigan |
| 37 | Roberta Mclane | 13 | Son | — | Michigan |
| 38 | Arnold J. Mclane | 9 | Son | — | Michigan |
| 39 | Lyle R. Mclane | 1 | Son | — | Michigan |
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)