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Bertha Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lenawee-County, Michigan
Our Model Tree links this Bertha Schmidt across the 1930 and 1940 US Censuses in Lenawee-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lenawee-County, Michigan |
| Surname | Schmidt |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (County) | Lenawee |
| Additional Details | |
| Class of Worker | House maid |
| Highest Grade | No 8 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Macon Twp |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Viola Schmidt | Daughter | — | 9 | ~1931 |
| Bertha Schmidt | Daughter | — | 16 | ~1924 |
| Ernest Schmidt | Head | — | 58 | ~1882 |
| Theodore Schmidt | Son | — | 18 | ~1922 |
| Carl Schmidt | Son | — | 11 | ~1929 |
| Edward Schmidt | Son | — | 8 | ~1932 |
| Mary Schmidt | Spouse | — | 56 | ~1884 |
Census Appearances
1930
Lenawee, Michigan
Daughter, age 6
Lenawee, Michigan · implied b. ~1924 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Bertha E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Lenawee-County, Michigan
Daughter, age 16
Lenawee-County, Michigan · implied b. ~1924 — 7 household members
| Surname | Schmidt |
| Given Name | Bertha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (County) | Lenawee |
| Class of Worker | House maid |
| Highest Grade | No 8 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Bertha Schmidt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Schmidt
Daughter · 1940 · age 16 · b. ~1924 · Michigan
★ You are viewing this record
Sibling
Theodore Schmidt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Schmidt
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Schmidt
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward 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 — Lenawee-County, Michigan
Open full size
1940 US Federal Census — Lenawee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01779-00131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald A. Smith | 1 | Son | — | Michigan |
| 2 | William Smith | 71 | Father | — | Michigan |
| 3 | Ellsworth D. Robison | 23 | Head | 48 | Michigan |
| 4 | Donelda J. Robison | 24 | Wife | — | Michigan |
| 5 | Harvey Eberle | 27 | Lodger | 54 | Michigan |
| 6 | James E. Cadmus | 79 | Head | — | Michigan |
| 7 | Etta Cadmus | 69 | Wife | — | Michigan |
| 8 | Frank E. Jackson | 62 | Head | 60 | Ohio |
| 9 | Ernest C. Schmidt | 58 | Head | Farmer | Germany |
| 10 | Mary Schmidt | 56 | Wife | — | Germany |
| 11 | Theodore E. Schmidt | 18 | Son | 60 | Michigan |
| 12 | Bertha E. Schmidt THIS PERSON | 16 | Daughter | — | Michigan |
| 13 | Carl A. Schmidt | 11 | Son | — | Michigan |
| 14 | Viola M. Schmidt | 9 | Daughter | — | Michigan |
| 15 | Edward H. Schmidt | 8 | Son | — | Michigan |
| 16 | John T. Foot | 47 | Head | 60 | Michigan |
| 17 | Lulu M. Foot | 43 | Wife | — | Michigan |
| 18 | Albert H. Bailey | 23 | Stepson | 42 | Michigan |
| 19 | Edward W. Bailey | 19 | Stepson | 65 | Michigan |
| 20 | Paul J. Bailey | 17 | Stepson | — | Michigan |
| 21 | Harry P. Bailey | 14 | Stepson | — | Michigan |
| 22 | John Robt Hannel | 35 | Head | 2 | Michigan |
| 23 | Beulah V. Hannel | 30 | Wife | — | Ohio |
| 24 | Doris J. Hannel | 12 | Daughter | — | Michigan |
| 25 | Joyce J. Hannel | 10 | Daughter | — | Michigan |
| 26 | Raymond L. Hannel | 9 | Son | — | Michigan |
| 27 | Donla E. Hannel | 7 | Son | — | Michigan |
| 28 | Marion L. Hannel | 4 | Daughter | — | Michigan |
| 29 | Ruth Ann Hannel | 2 | Daughter | — | Michigan |
| 30 | Carl Dan Hawkins | 28 | Head | 57 | Ohio |
| 31 | Evelyn M. Hawkins | 25 | Wife | — | Michigan |
| 32 | George C. Hawkins | 5 | Son | — | Michigan |
| 33 | Betty L. Hawkins | 1 | Daughter | — | Michigan |
| 34 | Clyde Cheever | 43 | Head | 57 | Michigan |
| 35 | Erma M. Cheever | 44 | Wife | — | Illinois |
| 36 | William E. Chase | 16 | Step-son | — | Michigan |
| 37 | Lilburn R. Hatch | 72 | Head | — | Michigan |
| 38 | Louise Hatch | 68 | Wife | — | Michigan |
| 39 | Walter J. Morden | 25 | Head | 42 | Michigan |
| 40 | Phyllis I. Morden | 24 | Wife | — | Iowa |
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)