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John Oliver — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mecklenburg-County, Virginia
Our Model Tree links this John Oliver across the 1920, 1930 and 1940 US Censuses in Mecklenburg-County, Virginia (XGBoost, ~Confirmed), with identified parents James & Jim — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mecklenburg-County, Virginia |
| Surname | Oliver |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chase City |
| 1935 Residence (County) | Mecklenburg |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Laborer |
| Township / Ward | Chase City |
| Est. Birth Year | ~1915 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Jim Oliver | Head | — | 58 | ~1882 |
| John Oliver | Son | — | 25 | ~1915 |
| Ernest Oliver | Son | — | 18 | ~1922 |
Census Appearances
1920
Nottoway, Virginia
Son, age 5
Nottoway, Virginia · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | John D Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Nottoway, Virginia
Son, age 15
Nottoway, Virginia · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Laborer |
| Industry | Saw mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Mecklenburg-County, Virginia
Son, age 25
Mecklenburg-County, Virginia · implied b. ~1915 — 3 household members
| Surname | Oliver |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chase City |
| 1935 Residence (County) | Mecklenburg |
| Occupation | Laborer |
| Industry | Sawmill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 480 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Jim Oliver (~0.92 confidence) and father John Oliver (~0.92 confidence) and mother Ruth Oliver (~0.92 confidence) and mother Lizzie Oliver (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Oliver
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Jim Oliver
b. ~1882
Source father
● Household
· direct · ~0.92
Father
John Oliver
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ruth Oliver
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lizzie Oliver
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Oliver
Son · 1940 · age 25 · b. ~1915 · Virginia
★ You are viewing this record
Sibling
Ernest Oliver
Sibling · 1940 · age 18
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 — Mecklenburg-County, Virginia
Open full size
1940 US Federal Census — Mecklenburg-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04276-00438)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jessie Pruett | 28 | Wife | Music Teacher | New York |
| 42 | Tyree Pruett | 2 | Son | — | Virginia |
| 43 | Jim Oliver | 58 | Head | Farming | Virginia |
| 44 | John Oliver THIS PERSON | 25 | Son | Laborer | Virginia |
| 45 | Ernest Oliver | 18 | Son | Laborer | Virginia |
| 46 | Gilbert Queen | 26 | Head | Farming | Virginia |
| 47 | Charlotte Queen | 22 | Wife | — | Virginia |
| 48 | Alice Queen | 2 | Daughter | — | Virginia |
| 49 | Mary Queen | 65 | Mother | — | New York |
| 50 | John Rathell | 68 | Head | Farming | South Carolina |
| 51 | Virginia Rathell | 59 | Wife | — | South Carolina |
| 52 | Linton Rathell | 18 | Son | Farming | South Carolina |
| 53 | James Barnett | 33 | Head | Farming | Virginia |
| 54 | Ellen Barnett | 32 | Wife | — | Virginia |
| 55 | Howard Barnett | 15 | Son | — | Virginia |
| 56 | James Barnett | 12 | Son | — | Virginia |
| 57 | Robert Barnett | 10 | Son | — | Virginia |
| 58 | Linwood Barnett | 3 | Son | — | Virginia |
| 59 | John Caknett | 69 | Head | Farming | North Carolina |
| 60 | Virginia Caknett | 36 | Wife | — | North Carolina |
| 61 | John Caknett | 18 | Son | Farming | Virginia |
| 62 | James Caknett | 16 | Son | Farming | Virginia |
| 63 | Earl Caknett | 12 | Son | — | Virginia |
| 64 | Clarence Caknett | 6 | Son | — | Virginia |
| 65 | Grady Hester | 33 | Head | Laborer | Georgia |
| 66 | Carfy Hester | 29 | Wife | — | North Carolina |
| 67 | Margaret Hester | 9 | Daughter | — | North Carolina |
| 68 | Grady Hester | 6 | Son | — | North Carolina |
| 69 | Clarity Hester | 5 | Daughter | — | Virginia |
| 70 | Loretta Hester | 0 | Son | — | Virginia |
| 71 | Henry Hayes | 19 | Head | Farming | Virginia |
| 72 | Alice Hayes | 15 | Wife | — | Virginia |
| 73 | James Hayes | 20 | Son | Farming | Virginia |
| 74 | John Freeman | 44 | Head | Farming | Virginia |
| 75 | Lucy Freeman | 40 | Wife | — | Virginia |
| 76 | Ruth Freeman | 18 | Daughter | — | Virginia |
| 77 | Agnes Freeman | 13 | Daughter | — | Virginia |
| 78 | John Freeman | 12 | Son | — | Virginia |
| 79 | Henry Freeman | 6 | Son | — | Virginia |
| 80 | Kay Lawrence | 38 | Head | — | Virginia |
Pedigree Summary
John + 1 sibling
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)