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Robert Oliver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Indiana
Our Model Tree links this Robert Oliver across the 1920, 1930 and 1940 US Censuses in Delaware-County, Indiana (XGBoost, ~Confirmed), with identified parents Frank & Dora — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Indiana |
| Surname | Oliver |
| Given Name | Robert Eugene |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Operator |
| Industry | Gear Dept Warner Gear |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1600 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Operator |
| Township / Ward | Muncie City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Oliver | Head | — | 27 | ~1913 |
| La Oliver | Spouse | — | 26 | ~1914 |
| Barbara Oliver | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Delaware, Indiana
Son, age 6
Delaware, Indiana · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Delaware, Indiana
Son, age 17
Delaware, Indiana · implied b. ~1913 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Deliveryman |
| Industry | Meat Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Delaware-County, Indiana
Head, age 27
Delaware-County, Indiana · implied b. ~1913 — 3 household members
| Surname | Oliver |
| Given Name | Robert Eugene |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Muncie City |
| 1935 Residence (County) | Delaware |
| Occupation | Operator |
| Industry | Gear Dept Warner Gear |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1600 |
| Highest Grade | Hs 3 |
| 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 Oliver across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Oliver (~0.92 confidence) and mother Dora Oliver (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Oliver
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Dora Oliver
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Oliver
Head · 1940 · age 27 · b. ~1913 · 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 — Delaware-County, Indiana
Open full size
1940 US Federal Census — Delaware-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01037-00583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lola Canter | 17 | Sister | None Of These | Indiana |
| 42 | William Wayne Shimer | 48 | Head | Engineering | Indiana |
| 43 | Hazel A. Shimer | 45 | Wife | None Of These | Indiana |
| 44 | Claude F. Welsh | 57 | Head | Operator | Indiana |
| 45 | Amelia O. Welsh | 48 | Wife | Operator | Illinois |
| 46 | Robert Asher | 42 | Head | Pump Operator | Indiana |
| 47 | Janet Asher | 34 | Wife | None Of These | Indiana |
| 48 | Robert E. Jones | 33 | Head | Operator | Indiana |
| 49 | Gertrude Jones | 27 | Wife | None Of These | Ohio |
| 50 | Ryden Hazel Jones | 9 | Stepdaughter | — | Indiana |
| 51 | Jones, Edward Jones | 3 | Son | — | Indiana |
| 52 | Robert Eugene Oliver THIS PERSON | 27 | Head | Operator | Indiana |
| 53 | La Verne Oliver | 26 | Wife | None Of These | Indiana |
| 54 | Barbara June Oliver | 4 | Daughter | — | Indiana |
| 55 | Russel D. Bonham | 24 | Head | Tool & Dye | Indiana |
| 56 | Clova O. Bonham | 29 | Wife | None Of These | Indiana |
| 57 | Carrie Huffman | 68 | Head | None Of These | Indiana |
| 58 | Clayton Daugherty | 60 | Head | Carpenter | Indiana |
| 59 | Ethel O. Daugherty | 51 | Wife | None Of These | Indiana |
| 60 | Alice Daugherty | 17 | Daughter | — | Indiana |
| 61 | Ruth Daugherty | 16 | Daughter | — | Indiana |
| 62 | Charles Daugherty | 15 | Son | — | Indiana |
| 63 | Orville Wolf | 61 | Head | None Of These | Ohio |
| 64 | Nellie A. Wolf | 36 | Wife | Research Field Worker | Indiana |
| 65 | George Wolf | 36 | Brother | None Of These | Ohio |
| 66 | Nancy Wolf | 86 | Mother | None Of These | Ohio |
| 67 | Clyde Heaterman | 55 | Head | Sheet Metal | Indiana |
| 68 | Myrtle Heaterman | 51 | Wife | None Of These | Indiana |
| 69 | Clarence Hyde | 29 | Head | Reeler | Indiana |
| 70 | Delores Hyde | 31 | Wife | None Of These | Indiana |
| 71 | Clyde Hyde | 9 | Son | — | Indiana |
| 72 | Max Hyde | 5 | Son | — | Indiana |
| 73 | La Donna Hyde | 3 | Daughter | — | Indiana |
| 74 | Carrie E. Spangler | 29 | Head | Assembler | Indiana |
| 75 | Carmen O. Spangler | 18 | Wife | None Of These | Tennessee |
| 76 | Robert E. Stewart | 20 | Head | Clerk | Indiana |
| 77 | Martha J. Stewart | 21 | Wife | Stenographer | Indiana |
| 78 | Extra Line | None | Misinformed | — | — |
| 79 | Theodore F. Miller | 34 | Head | Salesman | Indiana |
| 80 | Ruby O. Miller | 32 | Wife | None Of These | Indiana |
Pedigree Summary
Robert
Gen 1 · 2 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)