JO
John Oliver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Saline-County, Illinois
Our Model Tree links this John Oliver across the 1920, 1930 and 1940 US Censuses in Saline-County, Illinois (XGBoost, ~Confirmed), with identified parents James & Charles — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Saline-County, Illinois |
| Surname | Oliver |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Saline |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road project |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 188 |
| Highest Grade | 6 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Cottage Twp |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Vernita Oliver | Daughter | — | 1 | ~1939 |
| John Oliver | Head | — | 37 | ~1903 |
| Joseph Oliver | Son | — | 6 | ~1934 |
| Earnest Oliver | Son | — | 8 | ~1932 |
| Kenneth Oliver | Son | — | 11 | ~1929 |
| Zelma Oliver | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Saline, Illinois
Son, age 17
Saline, Illinois · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Saline, Illinois
Son, age 28
Saline, Illinois · implied b. ~1902 — 28 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | John W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 10 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Saline-County, Illinois
Head, age 37
Saline-County, Illinois · implied b. ~1903 — 6 household members
| Surname | Oliver |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Saline |
| Occupation | Laborer |
| Industry | Road project |
| Class of Worker | GW |
| Hours Worked | 32 |
| Income (1939) | 188 |
| Highest Grade | 6 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 John 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 Charles Davis (~0.92 confidence) and mother Addie Oliver (~0.92 confidence) and mother Taddie Oliver (~0.92 confidence) and father Arthur Farter (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
James Oliver
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Charles Davis
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Addie Oliver
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Taddie Oliver
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Arthur Farter
b. ~1895
Source father
● Household
· direct · ~0.6
This person
Anchor record
John Oliver
Head · 1940 · age 37 · b. ~1903 · Illinois
★ 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 — Saline-County, Illinois
Open full size
1940 US Federal Census — Saline-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00883-00163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucy Wilson | 43 | Wife | — | Illinois |
| 2 | Helen Wilson | 18 | Daughter | — | Missouri |
| 3 | Henrietta Wilson | 14 | Daughter | — | Missouri |
| 4 | Weldon Wilson | 22 | Son | Farm Laborer | Missouri |
| 5 | Pauline Wilson | 18 | Daughter | — | Illinois |
| 6 | Sybil Louise Wilson | 4 | Grand-daughter | — | Illinois |
| 7 | Bobby Eugene Wilson | 2 | Grand-son | — | Illinois |
| 8 | Hey Carnahan | 82 | Head | — | Illinois |
| 9 | Martha Lou Carnahan | 81 | Wife | — | Illinois |
| 10 | Charles L. Teal | 55 | Head | Farmer | Illinois |
| 11 | Mina Teal | 51 | Wife | — | Illinois |
| 12 | George Teal | 30 | Son | Farm Laborer | Illinois |
| 13 | Jacob Teal | 29 | Son | Farm Laborer | Illinois |
| 14 | Raleigh Teal | 23 | Son | Farm Laborer | Illinois |
| 15 | Gertrude Teal | 20 | Daughter | — | Illinois |
| 16 | Hazel Teal | 17 | Daughter | — | Illinois |
| 17 | Robert Teal | 14 | Son | — | Illinois |
| 18 | Vernon Teal | 9 | Son | — | Illinois |
| 19 | Raymond Davis | 32 | Head | Farmer | Illinois |
| 20 | Gleda Davis | 23 | Wife | — | Illinois |
| 21 | Alice Borders | 74 | Mother-in-law | — | Illinois |
| 22 | Edward Lee Borders | 9 | Nephew | — | Illinois |
| 23 | John W. Oliver THIS PERSON | 37 | Head | Laborer | Illinois |
| 24 | Zelma Oliver | 34 | Wife | — | Illinois |
| 25 | Kenneth Lowell Oliver | 11 | Son | — | Illinois |
| 26 | Earnest Eugene Oliver | 8 | Son | — | Illinois |
| 27 | Joseph Wendell Oliver | 6 | Son | — | Illinois |
| 28 | Vernita Mae Oliver | 1 | Daughter | — | Illinois |
| 29 | Earnie Oliver | 33 | Head | Farmer | Illinois |
| 30 | Eithel Oliver | 30 | Wife | — | Illinois |
| 31 | Robert Duane Oliver | 7 | Son | — | Illinois |
| 32 | Dolores Anne Oliver | 3 | Daughter | — | Illinois |
| 33 | Margaret Oliver | 89 | Head | — | Illinois |
| 34 | John Oliver | 60 | Son | Farmer | Illinois |
| 35 | Cora Smith | 54 | Daughter | — | Illinois |
| 36 | Elbert Oliver | 64 | Head | Farmer | Illinois |
| 37 | Addie Oliver | 53 | Wife | — | Illinois |
| 38 | Walter Davis | 68 | Head | Farmer | Illinois |
| 39 | Ollie Davis | 58 | Wife | — | Illinois |
| 40 | Wendell Truett Davis | 17 | Son | — | Illinois |
Pedigree Summary
John
Gen 1 · 5 parents
~0.86
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)