RZ
Robert Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Spencer-County, Indiana
Our Model Tree links this Robert Zimmerman across the 1920, 1930 and 1940 US Censuses in Spencer-County, Indiana (XGBoost, ~Confirmed), with identified parents Ed & Ed — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Spencer-County, Indiana |
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Huff |
| 1935 Residence (County) | Spencer |
| Additional Details | |
| Occupation | Truckman |
| Industry | Cheese Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truckman |
| Township / Ward | Huff |
| Est. Birth Year | ~1916 |
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 | Son | — | 24 | ~1916 |
| Tillie Zimmerman | Spouse | — | 47 | ~1893 |
| Ed Zimmerman | Head | — | 49 | ~1891 |
| Olin Raaf | Other | — | 31 | ~1909 |
Census Appearances
1920
Spencer, Indiana
Son, age 3
Spencer, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Spencer, Indiana
Son, age 14
Spencer, Indiana · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Spencer-County, Indiana
Son, age 24
Spencer-County, Indiana · implied b. ~1916 — 4 household members
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Huff |
| 1935 Residence (County) | Spencer |
| Occupation | Truckman |
| Industry | Cheese Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 450 |
| Highest Grade | No 8 |
| 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 Robert Zimmerman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ed Zimmerman (~0.92 confidence) and father Ed Zimmerman (~0.92 confidence) and mother Tillie Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ed Zimmerman
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Ed Zimmerman
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Tillie Zimmerman
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Zimmerman
Son · 1940 · age 24 · b. ~1916 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Spencer-County, Indiana
Open full size
1940 US Federal Census — Spencer-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01095-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alma Hempfling | 41 | Wife | — | Indiana |
| 42 | Erma Hempfling | 22 | Daughter | — | Indiana |
| 43 | Lizzie Hempfling | 76 | Mother-in-law | — | Indiana |
| 44 | Hilda Hempfling | 46 | Daughter | — | Indiana |
| 45 | Ben Huebschman | 52 | Head | Farmer | Indiana |
| 46 | Ida Huebschman | 53 | Wife | — | Indiana |
| 47 | Eleanor Huebschman | 19 | Daughter | — | Indiana |
| 48 | Reuben Huebschman | 16 | Son | Laborer | Indiana |
| 49 | Ed Zimmerman | 49 | Head | Farmer | Indiana |
| 50 | Tillie Zimmerman | 47 | Wife | — | Indiana |
| 51 | Robert Zimmerman THIS PERSON | 24 | Son | Truckman | Indiana |
| 52 | Olin Raaf | 31 | Hired Hand | Laborer | Indiana |
| 53 | Herman Wittman | 36 | Head | Farmer | Indiana |
| 54 | Meta Wittman | 34 | Wife | — | Indiana |
| 55 | Robert Wittman | 11 | Son | — | Indiana |
| 56 | Junior Wittman | 9 | Son | — | Indiana |
| 57 | Martha Wittman | 6 | Daughter | — | Indiana |
| 58 | Nick Wittman | 77 | Father | — | Indiana |
| 59 | Christina Wittman | 82 | Aunt | — | Indiana |
| 60 | George Vogel | 69 | Head | Farmer | Indiana |
| 61 | Maggie Vogel | 69 | Wife | — | Indiana |
| 62 | Tillie Vogel | 38 | Daughter | — | Indiana |
| 63 | Norman Vogel | 26 | Son | Laborer | Indiana |
| 64 | George Vogel | 24 | Son | Laborer | Indiana |
| 65 | Barbara Liebering | 72 | Head | — | Germany |
| 66 | George Engelbrecht | 59 | Head | Farmer | Indiana |
| 67 | Maggie Engelbrecht | 55 | Wife | — | Indiana |
| 68 | Mildred Engelbrecht | 22 | Daughter | Clerk | Indiana |
| 69 | William Engelbrecht | 17 | Son | Laborer | Indiana |
| 70 | John Lautner | 72 | Head | Farmer | Indiana |
| 71 | Edward Lautner | 45 | Son | Laborer | Indiana |
| 72 | Clara Lautner | 43 | Daughter | — | Indiana |
| 73 | Oscar Lautner | 35 | Son | Farmer | Indiana |
| 74 | Oscar Hertzing | 46 | Lodger | Miner | Kentucky |
| 75 | Hobart Ferguson | 42 | Head | Farmer | Indiana |
| 76 | Allie Ferguson | 37 | Wife | — | Indiana |
| 77 | Robert Ferguson | 15 | Son | — | Indiana |
| 78 | Stanka Gay Ferguson | 10 | Daughter | — | Indiana |
| 79 | Ben S. Kyker | 61 | Head | Mail Carrier | Indiana |
| 80 | Vallie Kyker | 57 | Wife | — | Indiana |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)