RZ
Robert Zimmerman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Walworth-County, Wisconsin
Our Model Tree links this Robert Zimmerman across the 1920, 1930 and 1940 US Censuses in Walworth-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 4-person household.
Age 55
b. ~1885
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Walworth-County, Wisconsin |
| Surname | Zimmerman |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Whitewater |
| 1935 Residence (County) | Walworth |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Whitewater |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Zimmerman | Head | — | 55 | ~1885 |
| Lawrence Bruning | Other | — | 19 | ~1921 |
| Laura Zimmerman | Spouse | — | 54 | ~1886 |
| Isabelle Zimmerman | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Walworth, Wisconsin
Head, age 36
Walworth, Wisconsin · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Walworth, Wisconsin
Head, age 45
Walworth, Wisconsin · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | 120 |
| Home Value / Rent | R |
| Veteran | O |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Walworth-County, Wisconsin
Head, age 55
Walworth-County, Wisconsin · implied b. ~1885 — 4 household members
| Surname | Zimmerman |
| Given Name | Robert E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Whitewater |
| 1935 Residence (County) | Walworth |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Robert Zimmerman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Zimmerman
Head · 1940 · age 55 · b. ~1885 · 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 — Walworth-County, Wisconsin
Open full size
1940 US Federal Census — Walworth-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04531-01204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene Krohn | 21 | Head | — | Wisconsin |
| 2 | James W. Stone | 54 | Head | Farmer | England |
| 3 | Lottie E. Stone | 52 | Wife | — | Wisconsin |
| 4 | John G. Moyer | 51 | Head | Farmer | Wisconsin |
| 5 | Myrtle Moyer | 48 | Wife | — | Wisconsin |
| 6 | Olive Moyer | 19 | Daughter | — | Wisconsin |
| 7 | Arthur Moyer | 15 | Son | — | Wisconsin |
| 8 | Beulah Moyer | 13 | Daughter | — | Wisconsin |
| 9 | John Moyer | 10 | Son | — | Wisconsin |
| 10 | Philip Moyer | 9 | Son | — | Wisconsin |
| 11 | Harry Moyer | 7 | Son | — | Wisconsin |
| 12 | August C. Harnack | 64 | Head | Farmer | Wisconsin |
| 13 | Annie B. Harnack | 48 | Wife | — | Wisconsin |
| 14 | Albert Brokmeier | 37 | Head | Farmer | Wisconsin |
| 15 | Adaline Brokmeier | 37 | Wife | — | Massachusetts |
| 16 | Raymond Brokmeier | 15 | Son | — | Wisconsin |
| 17 | Mildred Brokmeier | 14 | Daughter | — | Wisconsin |
| 18 | Alvin Brokmeier | 12 | Son | — | Wisconsin |
| 19 | Orlan Brokmeier | 9 | Son | — | Wisconsin |
| 20 | Mabel Brokmeier | 6 | Daughter | — | Wisconsin |
| 21 | Richard Brokmeier | 4 | Son | — | Wisconsin |
| 22 | Eugene Brokmeier | 2 | Son | — | Wisconsin |
| 23 | Albert Jr. Brokmeier | 0 | Son | — | Wisconsin |
| 24 | Gustave E. Schmidt | 55 | Head | Farmer | Germany |
| 25 | Anna Schmidt | 53 | Wife | — | Germany |
| 26 | Walter Schmidt | 27 | Son | Farm Laborer | Wisconsin |
| 27 | Chester Schmidt | 16 | Son | — | Wisconsin |
| 28 | Harold D. Owens | 39 | Head | Farmer | Wisconsin |
| 29 | Florence Owens | 38 | Wife | — | Wisconsin |
| 30 | Elaine Owens | 13 | Daughter | — | Wisconsin |
| 31 | Arnold Owens | 6 | Son | — | Wisconsin |
| 32 | Eugene Owens | 4 | Son | — | Wisconsin |
| 33 | Howard Owens | 3 | Son | — | Wisconsin |
| 34 | Luella Owens | 46 | Sister | — | Wisconsin |
| 35 | Robert E. Zimmerman THIS PERSON | 55 | Head | Farmer | Wisconsin |
| 36 | Laura Zimmerman | 54 | Wife | — | Illinois |
| 37 | Isabelle Zimmerman | 21 | Daughter | — | Wisconsin |
| 38 | Lawrence Bruning | 19 | Lodger | Farm Laborer | Wisconsin |
| 39 | Charles J. Nelson | 61 | Head | Farmer | Wisconsin |
| 40 | Edith Nelson | 60 | Wife | — | 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)