JB
John Bauer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this John Bauer across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 10-person household.
Age 26
b. ~1914
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Bauer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron Twp. |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Labor |
| Industry | Sugar Mill |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Labor |
| Township / Ward | Port Huron Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Clara Bauer | Daughter | — | 18 | ~1922 |
| Theresa Bauer | Daughter | — | 16 | ~1924 |
| Stephane Bauer | Daughter | — | 19 | ~1921 |
| Michael Bauer | Head | — | 61 | ~1879 |
| Charles Bauer | Son | — | 23 | ~1917 |
| Joseph Bauer | Son | — | 24 | ~1916 |
| Louis Bauer | Son | — | 29 | ~1911 |
| John Bauer | Son | — | 26 | ~1914 |
| Frank Bauer | Son | — | 20 | ~1920 |
| Mollie Bauer | Spouse | — | 57 | ~1883 |
Census Appearances
1930
St Clair, …
Son, age 16
St Clair, Michigan · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Austria Hungary |
| Mother's Birthplace | Austria Hungary |
| Occupation | Apprentice |
| Industry | Carpenter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 26
St.-Clair-County, Michigan · implied b. ~1914 — 10 household members
| Surname | Bauer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron Twp. |
| 1935 Residence (County) | St. Clair |
| Occupation | Labor |
| Industry | Sugar Mill |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 1200 |
| Highest Grade | 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 John Bauer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Bauer
Son · 1940 · age 26 · b. ~1914 · Michigan
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Sibling
Charles Bauer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Bauer
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Bauer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Bauer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephane Bauer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Bauer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Bauer
Sibling · 1940 · age 20
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01816-00734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lou Robinson | 5 | Daughter | — | Michigan |
| 2 | Alice Ann Robinson | 1 | Daughter | — | Michigan |
| 3 | Charles O. Norton | 37 | Head | Mechanic | Michigan |
| 4 | William Roger | 21 | Lodger | Labor | Michigan |
| 5 | Crystal Wauth | 20 | Housekeeper | Housekeeper | Michigan |
| 6 | Charles Jr. Norton | 12 | Son | — | Michigan |
| 7 | Carl Norton | 9 | Son | — | Michigan |
| 8 | Edward J. Jr. Quiske | 39 | Head | Foreman | Michigan |
| 9 | Marion Quiske | 34 | Wife | — | Indiana |
| 10 | Charles Anger | 37 | Head | Digester Cook | Canada |
| 11 | Minnie Anger | 35 | Wife | Inspector | Michigan |
| 12 | Barbara Anger | 6 | Daughter | — | Michigan |
| 13 | Charles H. Anger | 10 | Son | — | Michigan |
| 14 | Jean Anger | 13 | Daughter | — | Michigan |
| 15 | Virginia Anger | 11 | Daughter | — | Michigan |
| 16 | Myrtle Ragsin | 35 | Head | Welfare | Kentucky |
| 17 | Ethel Ragsin | 11 | Daughter | — | Michigan |
| 18 | Robert Ragsin | 9 | Son | — | Michigan |
| 19 | Gesta Ragsin | 5 | Daughter | — | Michigan |
| 20 | Walter Ragsin | 3 | Son | — | Michigan |
| 21 | Albert Cereski | 58 | Head | Teamster | Germany |
| 22 | Hannah Cereski | 52 | Wife | — | Germany |
| 23 | Ben Cereski | 19 | Son | — | Illinois |
| 24 | Florence Cereski | 16 | Daughter | — | Illinois |
| 25 | Michael Bauer | 61 | Head | Car Repair | Austria |
| 26 | Mollie Bauer | 57 | Wife | — | Austria |
| 27 | Louis Bauer | 29 | Son | Labor | Michigan |
| 28 | John Bauer THIS PERSON | 26 | Son | Labor | Michigan |
| 29 | Joseph Bauer | 24 | Son | — | Michigan |
| 30 | Charles Bauer | 23 | Son | — | Michigan |
| 31 | Frank Bauer | 20 | Son | — | Michigan |
| 32 | Clara Bauer | 18 | Daughter | — | Michigan |
| 33 | Stephane Bauer | 19 | Daughter | — | Michigan |
| 34 | Theresa Bauer | 16 | Daughter | — | Michigan |
| 35 | Walter Radmacher | 36 | Head | Check Room | Michigan |
| 36 | Ursula Radmacher | 32 | Wife | — | Michigan |
| 37 | Patricia Radmacher | 9 | Daughter | — | Michigan |
| 38 | Lois Radmacher | 4 | Daughter | — | Michigan |
| 39 | Janice Radmacher | 1 | Daughter | — | Michigan |
| 40 | Anthony Borkowski | 39 | Head | Mechanic | 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)