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Mary Bauer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Bauer across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | secretary |
| Industry | Rubbers Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Secretary |
| Township / Ward | Detroit City |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Susanna Bauer | Daughter | — | 17 | ~1923 |
| Mary Bauer | Daughter | — | 20 | ~1920 |
| Barbara Bauer | Daughter | — | 12 | ~1928 |
| Verdonia Bauer | Daughter | — | 19 | ~1921 |
| Stanley Albus | Other | — | 30 | ~1910 |
| Jerry Albus | Son | — | 2 | ~1938 |
| James Bauer | Son | — | 14 | ~1926 |
| Norma Albus | Spouse | — | 25 | ~1915 |
| Lyda Bauer | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 10
Wayne, Michigan · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Wayne-County, Michigan
Daughter, age 20
Wayne-County, Michigan · implied b. ~1920 — 9 household members
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | secretary |
| Industry | Rubbers Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Bauer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bauer
Daughter · 1940 · age 20 · b. ~1920 · Michigan
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Sibling
Jerry Albus
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Bauer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susanna Bauer
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verdonia Bauer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Bauer
Sibling · 1940 · age 12
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
20 people indexed on this census page (nara:1940:m-t0627-01876-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lyda Bauer | 51 | Wife | — | Indiana |
| 2 | Mary Bauer THIS PERSON | 20 | daughter | Secretary | Indiana |
| 3 | Verdonia Bauer | 19 | daughter | — | Indiana |
| 4 | Susanna Bauer | 17 | daughter | — | Indiana |
| 5 | James Bauer | 14 | son | — | Indiana |
| 6 | Barbara Bauer | 12 | daughter | — | Indiana |
| 7 | Stanley Albus | 30 | Lodger | Manager | New York |
| 8 | Norma Albus | 25 | wife | — | Illinois |
| 9 | Jerry Albus | 2 | son | — | Michigan |
| 10 | Frank Schaefer | 42 | Head | Salesman | Wisconsin |
| 11 | Hazel Schaefer | 38 | Wife | — | Michigan |
| 12 | Eleanor Cassel | 62 | mother in law | — | Michigan |
| 13 | William Duone Cassel | 3 | brother in law | — | Michigan |
| 14 | Keith Perry | 24 | Lodger | Coxswain | Michigan |
| 15 | Shirley Perry | 18 | wife | — | New York |
| 16 | Charlotte Van Hoose | 26 | Lodger | Waitress | West Virginia |
| 17 | Bernard Pearson | 31 | Lodger | Load Conveyor | Michigan |
| 18 | Eva Pearson | 22 | wife | — | Michigan |
| 19 | Henry Gerdes | 31 | Lodger | Mechanic | Germany |
| 20 | Dorothy Gerdes | 28 | Wife | Secretary | New York |
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)