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Bertha Schmidt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Bertha Schmidt across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 6-person household.
Age 70
b. ~1870
Female
Head
Born: Germany
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1870 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Leo Stei | Other | — | 41 | ~1899 |
| Bertha Schmidt | Head | — | 70 | ~1870 |
| Gloria Hoffman | Daughter | — | 12 | ~1928 |
| Edna Hoffman | Daughter | — | 41 | ~1899 |
| John Schmidt | Son | — | 46 | ~1894 |
| Donald Schmidt | Son | — | 12 | ~1928 |
Census Appearances
1920
Wayne, Michigan
Spouse, age 53
Wayne, Michigan · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | germany |
1930
Wayne, Michigan
Other, age 63
Wayne, Michigan · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Wayne-County, Michigan
Head, age 70
Wayne-County, Michigan · implied b. ~1870 — 6 household members
| Surname | Schmidt |
| Given Name | Bertha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Schmidt
Head · 1940 · age 70 · b. ~1870 · 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01839-00496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Thorton | 25 | Lodger | Laborer | Indiana |
| 42 | Cenute Constable | 43 | Head | Physician | Jamaica |
| 43 | Viola Constable | 37 | Wife | — | British Ireland |
| 44 | Sarah Rogers | 56 | Head | — | Mississippi |
| 45 | Bertha Rogers | 32 | Daughter | Seamstress | Mississippi |
| 46 | William Rogers | 30 | Son | Laborer | Mississippi |
| 47 | Sam Dorsey | 26 | Son | Laborer | Mississippi |
| 48 | Eleanor Dorsey | 19 | Daughter | New Worker | Mississippi |
| 49 | Dorsey Dickerson | 80 | Father | — | Mississippi |
| 50 | Caste Dickerson | 48 | Brother | Laborer | Mississippi |
| 51 | Alma Clark | 26 | Lodger | Domestic | Alabama |
| 52 | Alex Howard | 36 | Head | Laborer | Mississippi |
| 53 | Amandy Howard | 67 | Mother | — | Mississippi |
| 54 | Serphin Mcdonald | 36 | Brother | Gardener | South Carolina |
| 55 | Ferellen Mcdonald | 24 | Sister | — | Mississippi |
| 56 | Warren Bayfield | 36 | Lodger | Car Washer | Georgia |
| 57 | Bertha Schmidt THIS PERSON | 70 | Head | — | Germany |
| 58 | John Schmidt | 46 | Son | Musician | Michigan |
| 59 | Edna Hoffman | 41 | Daughter | — | Michigan |
| 60 | Gloria Hoffman | 12 | Daughter | — | Michigan |
| 61 | Leo Stei | 41 | Lodger | Metal Inspector | Michigan |
| 62 | Donald Schmidt | 12 | Son | — | Michigan |
| 63 | Fred Lavender | 40 | Head | Caretaker | Alabama |
| 64 | Bonnie Lavender | 40 | Wife | Housekeeper | Alabama |
| 65 | Constance Botley | 10 | Daughter | — | Michigan |
| 66 | Janice Moore | 6 | Daughter | — | Michigan |
| 67 | Albert Williams | 50 | Head | — | Mississippi |
| 68 | Louis Graham | 53 | Lodger | — | Mississippi |
| 69 | Garth Connolly | 34 | Lodger | Janitor | Kentucky |
| 70 | Lee Gross | 22 | Lodger | Musician | Pennsylvania |
| 71 | Floyd Terhune | 25 | Head | Operator | Georgia |
| 72 | Eddie Terhune | 27 | Wife | — | Georgia |
| 73 | Albert Terhune | 5 | Son | — | Georgia |
| 74 | Helen Terhune | 3 | Daughter | — | Michigan |
| 75 | Ople Robinson | 21 | Lodger | Domestic | Arkansas |
| 76 | George Stewart | 40 | Lodger | Porter | Missouri |
| 77 | Herman Hackney | 45 | Head | Foreman | Illinois |
| 78 | Eula Hackney | 36 | Wife | — | Tennessee |
| 79 | Kenneth Hackney | 4 | Son | — | Michigan |
| 80 | Carl Pettiford | 26 | Lodger | Burner | Canada |
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)