JO
James Oliver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this James Oliver across the 1920, 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | Oliver |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| Additional Details | |
| Occupation | Relief Investigator |
| Industry | Township Trustee |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Relief Investigator |
| Township / Ward | Evansville |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Oliver | Daughter | — | 20 | ~1920 |
| James Oliver | Head | — | 52 | ~1888 |
| Dorothy Murphy | Other | — | 20 | ~1920 |
| John Murphy | Other | — | 22 | ~1918 |
| James Oliver | Son | — | 24 | ~1916 |
| John Oliver | Son | — | 21 | ~1919 |
| Charles Oliver | Son | — | 17 | ~1923 |
| Estella Oliver | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Vanderburgh, Indiana
Son, age 4
Vanderburgh, Indiana · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vanderburgh, Indiana
Son, age 14
Vanderburgh, Indiana · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vanderburgh-County, Indiana
Son, age 24
Vanderburgh-County, Indiana · implied b. ~1916 — 8 household members
| Surname | Oliver |
| Given Name | James J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| Occupation | Relief Investigator |
| Industry | Township Trustee |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Indiana |
| 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 James Oliver across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Oliver (~0.92 confidence) and father James Oliver (~0.92 confidence) and mother Estell Oliver (~0.92 confidence) and mother Estella Oliver (~0.92 confidence) and mother Stella Oliver (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Oliver
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Oliver
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Estell Oliver
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Estella Oliver
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Stella Oliver
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Oliver
Son · 1940 · age 24 · b. ~1916 · Indiana
★ You are viewing this record
Sibling
Charles Oliver
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Oliver
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Oliver
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01101-00760)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J Mintz | 73 | Mother | — | Germany |
| 2 | John W Schafer | 30 | Head | Office Manager | Michigan |
| 3 | Elizabeth G Schafer | 28 | Wife | — | Michigan |
| 4 | John W Jr Schafer | 5 | Son | — | Michigan |
| 5 | Albert Winkel | 26 | Lodger | Office Worker | Michigan |
| 6 | Louis A Broeker | 48 | Head | Electrician | Indiana |
| 7 | Ruth O Broeker | 47 | Wife | — | Indiana |
| 8 | Earl Broeker | 25 | Son | Solicitor | Indiana |
| 9 | Mary L Broeker | 24 | Daughter | Packer | Indiana |
| 10 | George O Naab | 68 | Head | — | Germany |
| 11 | Mary Naab | 69 | Wife | — | Indiana |
| 12 | Guy Johnson | 58 | Head | — | Illinois |
| 13 | Mala Johnson | 50 | Wife | — | Indiana |
| 14 | Elmer Ling | 45 | Brother-in-law | — | Indiana |
| 15 | Karl O Phrupp | 48 | Head | Locomotive Engineer | Indiana |
| 16 | Nettie Phrupp | 56 | Wife | — | Indiana |
| 17 | Mamie H Grote | 54 | Head | — | Indiana |
| 18 | Emily Grote | 26 | Daughter | Secretary | Indiana |
| 19 | Emil H Grote | 20 | Son | Elevator Operator | Indiana |
| 20 | Mary Grote | 19 | Daughter | Typist | Indiana |
| 21 | Edwin Oliver Grote | 16 | Son | — | Indiana |
| 22 | William R Grote | 23 | Son | Elevator Mechanic | Indiana |
| 23 | Virginia Grote | 21 | Daughter-in-law | — | Indiana |
| 24 | Hazel G Ryder | 32 | Daughter | Secretary | Indiana |
| 25 | Jack Grote Ryder | 15 | Grandson | — | Indiana |
| 26 | James Oliver | 52 | Head | Locomotive Engineer | Kentucky |
| 27 | Estella O Oliver | 48 | Wife | — | Indiana |
| 28 | James J Oliver THIS PERSON | 24 | Son | Relief Investigator | Indiana |
| 29 | John R Oliver | 21 | Son | Inspector | Indiana |
| 30 | Mary R Oliver | 20 | Daughter | Office Worker | Indiana |
| 31 | Charles Edward Oliver | 17 | Son | — | Indiana |
| 32 | John Francis Murphy | 22 | Foster-son | Office Worker | Illinois |
| 33 | Dorothy Murphy | 20 | Foster-daughter | Student Nurse | Illinois |
| 34 | Allan D Petty | 47 | Head | Press Operator | Kentucky |
| 35 | Alma O Petty | 45 | Wife | — | Kentucky |
| 36 | Alberta Petty | 20 | Daughter | Office Work | Kentucky |
| 37 | Glenn D Petty | 17 | Daughter | — | Indiana |
| 38 | Mattie Louise Petty | 15 | Daughter | — | Indiana |
| 39 | Jack Petty | 7 | Son | — | Indiana |
| 40 | Addie Shreve | 45 | Cousin | Carpenter | Kentucky |
Pedigree Summary
James + 3 siblings
Gen 1 · 5 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)