MS
Mary Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegan-County, Michigan
Our Model Tree links this Mary Schmidt across the 1930 and 1940 US Censuses in Allegan-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 20
b. ~1920
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegan-County, Michigan |
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dorr Township |
| 1935 Residence (County) | Allegan |
| Additional Details | |
| Occupation | Housework |
| Industry | At Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Housework |
| Township / Ward | Dorr Township |
| Est. Birth Year | ~1920 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Patricia Schmidt | Daughter | — | 7 | ~1933 |
| Louisa Schmidt | Daughter | — | 13 | ~1927 |
| Sylvia Schmidt | Daughter | — | 12 | ~1928 |
| Mary Schmidt | Daughter | — | 20 | ~1920 |
| John Schmidt | Head | — | 36 | ~1904 |
| Stanley Schmidt | Son | — | 18 | ~1922 |
| Albert Schmidt | Son | — | 14 | ~1926 |
| Edward Schmidt | Son | — | 19 | ~1921 |
| John Schmidt | Son | — | 16 | ~1924 |
| Louis Schmidt | Son | — | 13 | ~1927 |
| Anna Schmidt | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Allegan, Michigan
Other, age 10
Allegan, Michigan · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Stepdaughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Allegan-County, Michigan
Daughter, age 20
Allegan-County, Michigan · implied b. ~1920 — 11 household members
| Surname | Schmidt |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Dorr Township |
| 1935 Residence (County) | Allegan |
| Occupation | Housework |
| Industry | At Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Mary Schmidt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Schmidt
Daughter · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Albert Schmidt
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Schmidt
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Schmidt
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Schmidt
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Schmidt
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Schmidt
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Schmidt
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louisa 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 — Allegan-County, Michigan
Open full size
1940 US Federal Census — Allegan-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01721-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Graczyk | 51 | Head | Farmer | Michigan |
| 2 | Lucy Graczyk | 47 | Wife | — | Michigan |
| 3 | Roman Graczyk | 15 | Son | — | Michigan |
| 4 | Virginia Graczyk | 6 | Daughter | — | Michigan |
| 5 | Nila Pratt | 79 | Head | — | Michigan |
| 6 | Harold Swartz | 37 | Head | Truck-Driver | Michigan |
| 7 | Dorothy E. Swartz | 34 | Wife | — | Michigan |
| 8 | John Greis | 57 | Head | Farmer | Michigan |
| 9 | Theresa Greis | 50 | Wife | — | Michigan |
| 10 | Joseph Greis | 23 | Son | Farmer | Michigan |
| 11 | Edward Greis | 20 | Son | Attendant | Michigan |
| 12 | John Greis | 18 | Son | Farmer | Michigan |
| 13 | Katherine Greis | 15 | Daughter | — | Michigan |
| 14 | Anna Greis | 11 | Daughter | — | Michigan |
| 15 | Cecilia Greis | 9 | Daughter | — | Michigan |
| 16 | Frank Greis | 8 | Son | — | Michigan |
| 17 | William Greis | 43 | Head | Farmer | Michigan |
| 18 | Hannelia Greis | 33 | Wife | — | Michigan |
| 19 | Helen M. Greis | 9 | Daughter | — | Michigan |
| 20 | Nicholas Jansen | 54 | Head | Landscape Gardener | Netherlands |
| 21 | Sophie Jansen | 39 | Wife | — | Netherlands |
| 22 | Nicholas Jr. Jansen | 18 | Son | Np | Michigan |
| 23 | Stanley Jansen | 15 | Son | Np | Michigan |
| 24 | Richard Worm | 67 | Head | — | Michigan |
| 25 | Louisa Worm | 66 | Wife | — | Illinois |
| 26 | George Miller | 41 | Head | Farmer | Michigan |
| 27 | Martin Frankowski | 79 | Head | Farmer | Germany |
| 28 | Pauline Frankowski | 54 | Wife | — | Russia |
| 29 | Violet Frankowski | 18 | Daughter | — | Michigan |
| 30 | John Schmidt | 36 | Head | Truck Driver | Michigan |
| 31 | Anna Schmidt | 44 | Wife | — | Michigan |
| 32 | Mary Schmidt THIS PERSON | 20 | Daughter | Housework | Michigan |
| 33 | Edward Schmidt | 19 | Son | — | Michigan |
| 34 | Stanley Schmidt | 18 | Son | — | Michigan |
| 35 | John J. Schmidt | 16 | Son | — | Michigan |
| 36 | Albert Schmidt | 14 | Son | — | Michigan |
| 37 | Louisa Schmidt | 13 | Daughter | — | Michigan |
| 38 | Louis Schmidt | 13 | Son | — | Michigan |
| 39 | Sylvia Schmidt | 12 | Daughter | — | Michigan |
| 40 | Patricia Schmidt | 7 | Daughter | — | Michigan |
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)