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Mary Keller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Wisconsin
Our Model Tree links this Mary Keller across the 1930 and 1940 US Censuses in Winnebago-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Wisconsin |
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Oshkosh city |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Salesman |
| Industry | Office |
| Class of Worker | PW |
| Income (1939) | 156 |
| Highest Grade | No 6 |
| 1935 Residence | Wisconsin |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Salesman |
| Township / Ward | Oshkosh City |
| Est. Birth Year | ~1905 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Vera Keller | Daughter | — | 14 | ~1926 |
| Jenine Keller | Daughter | — | 9 | ~1931 |
| Lois Keller | Daughter | — | 10 | ~1930 |
| Henry Keller | Head | — | 36 | ~1904 |
| Richard Keller | Son | — | 2 | ~1938 |
| Arvil Keller | Son | — | 11 | ~1929 |
| Mary Keller | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Winnebago, Wisconsin
Spouse, age 25
Winnebago, Wisconsin · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1910 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Winnebago-County, Wisconsin
Spouse, age 35
Winnebago-County, Wisconsin · implied b. ~1905 — 7 household members
| Surname | Keller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Oshkosh city |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Occupation | Salesman |
| Industry | Office |
| Class of Worker | PW |
| Income (1939) | 156 |
| Highest Grade | No 6 |
| 1935 Residence | Wisconsin |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Keller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keller
Spouse · 1940 · age 35 · b. ~1905 · Wisconsin
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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 — Winnebago-County, Wisconsin
Open full size
1940 US Federal Census — Winnebago-County, Wisconsin
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04539-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Estella Bartlett | 21 | Daughter | Sewing | Wisconsin |
| 42 | Adam Lichtwald | 35 | Head | Benchman | Russia |
| 43 | Marie Lichtwald | 35 | Wife | — | Russia |
| 44 | Eveline Lichtwald | 13 | Daughter | — | Wisconsin |
| 45 | Darryl Lichtwald | 11 | Son | — | Wisconsin |
| 46 | Richard Lichtwald | 7 | Son | — | Wisconsin |
| 47 | Karl H Bauer | 42 | Head | Moulder | Russia |
| 48 | Catharine Bauer | 40 | Wife | — | Russia |
| 49 | Alma Bauer | 18 | Daughter | House Work | Canada |
| 50 | Catherine Bauer | 16 | Daughter | House Work | Canada |
| 51 | Deloras Bauer | 13 | Daughter | — | Wisconsin |
| 52 | Edward A Felker | 30 | Head | Repairman | Wisconsin |
| 53 | Ester Felker | 26 | Wife | — | Wisconsin |
| 54 | Carol Felker | 7 | Daughter | — | Wisconsin |
| 55 | Nathan Felker | 3 | Daughter | — | Wisconsin |
| 56 | Henry Keller | 36 | Head | Roofing | Russia |
| 57 | Mary Keller THIS PERSON | 35 | Wife | Salesman | Russia |
| 58 | Vera Keller | 14 | Daughter | — | Wisconsin |
| 59 | Arvil Keller | 11 | Son | — | Wisconsin |
| 60 | Lois Keller | 10 | Daughter | — | Wisconsin |
| 61 | Jenine Keller | 9 | Daughter | — | Wisconsin |
| 62 | Richard Keller | 2 | Son | — | Wisconsin |
| 63 | Henry Fisher | 65 | Head | — | Russia |
| 64 | Mary Fisher | 58 | Wife | — | Russia |
| 65 | Malinda Fisher | 19 | Daughter | House Work | Wisconsin |
| 66 | Marion Fisher | 16 | Daughter | — | Wisconsin |
| 67 | Alma Fisher | 14 | Daughter | — | Wisconsin |
| 68 | Henry Paffenroth | 65 | Head | Laborer | Russia |
| 69 | Mary Paffenroth | 64 | Wife | — | Russia |
| 70 | John Lushinski | 24 | Head | Machine Hand | Wisconsin |
| 71 | Dorothy Lushinski | 26 | Wife | — | Wisconsin |
| 72 | Dennis Lushinski | 0 | Son | — | Wisconsin |
| 73 | Conrad Jr Langlitz | 32 | Head | Splicing | New York |
| 74 | Alice Langlitz | 40 | Wife | Sewing | Wisconsin |
| 75 | Leonard Befus | 33 | Head | Truck Driver | Wisconsin |
| 76 | Catherine Befus | 29 | Wife | — | Russia |
| 77 | Mary Weberat | 61 | Head | — | Russia |
| 78 | Elsie Weberat | 25 | Daughter | Seamstress | Wisconsin |
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)