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Robert Oliver — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Robert Oliver across the 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Northampton T |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Gene Oliver | Son | — | 12 | ~1928 |
| Cora Oliver | Daughter | — | 2 | ~1938 |
| Robert Oliver | Son | — | 14 | ~1926 |
| James Oliver | Son | — | 17 | ~1923 |
| William Oliver | Son | — | 16 | ~1924 |
| Edith Oliver | Spouse | — | 38 | ~1902 |
| Martha Oliver | Daughter | — | 9 | ~1931 |
| James Oliver | Head | — | 44 | ~1896 |
| Martin Oliver | Son | — | 5 | ~1935 |
Census Appearances
1930
Summit, Ohio
Son, age 4
Summit, Ohio · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | England |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Son, age 14
Summit-County, Ohio · implied b. ~1926 — 9 household members
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ironton |
| 1935 Residence (County) | Lawrence |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Oliver
Son · 1940 · age 14 · b. ~1926 · Ohio
★ You are viewing this record
Sibling
Gene Oliver
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Oliver
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Oliver
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Oliver
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Oliver
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Oliver
Sibling · 1940 · age 9
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 — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03154-00222)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Petrasek | 62 | wife | — | Czechoslovakia |
| 2 | Edward Roop | 43 | son-in-law | Machinist | Ohio |
| 3 | Margaret Roop | 40 | daughter | — | Czechoslovakia |
| 4 | Richard Roop | 13 | step grandson | — | Ohio |
| 5 | Paul Hardik | 17 | grandson | — | Ohio |
| 6 | William Valentine | 49 | head | Motorman | West Virginia |
| 7 | Belva O Valentine | 42 | wife | — | West Virginia |
| 8 | Charles Valentine | 19 | son | Farmer | West Virginia |
| 9 | Eilene Valentine | 14 | daughter | — | West Virginia |
| 10 | Juanita Valentine | 12 | daughter | — | West Virginia |
| 11 | Florence Valentine | 8 | daughter | — | West Virginia |
| 12 | Wilber Valentine | 5 | son | — | West Virginia |
| 13 | Joseph E Valentine | 2 | son | — | West Virginia |
| 14 | Frank Treadway | 45 | head | Laborer | N. Carolina |
| 15 | Cora O Treadway | 45 | wife | — | N. Carolina |
| 16 | Jack O Metzer | 48 | head | Laborer | Ohio |
| 17 | James Oliver | 44 | head | Laborer | Kentucky |
| 18 | Edith O Oliver | 38 | wife | — | England |
| 19 | James Jr Oliver | 17 | son | — | Ohio |
| 20 | William Oliver | 16 | son | — | Ohio |
| 21 | Robert Oliver THIS PERSON | 14 | son | — | Ohio |
| 22 | Gene Oliver | 12 | son | — | Ohio |
| 23 | Martha Oliver | 9 | daughter | — | Indiana |
| 24 | Martin Oliver | 5 | son | — | Ohio |
| 25 | Cora E Oliver | 2 | daughter | — | Ohio |
| 26 | William Christie | 23 | head | Laborer Construction | Ohio |
| 27 | Gladys Christie | 23 | wife | — | Tennessee |
| 28 | Gordon Christie | 5 | son | — | Ohio |
| 29 | Earl Leek | 33 | head | Pipe Buffer | West Virginia |
| 30 | Audrey O Leek | 26 | wife | — | Ohio |
| 31 | Gerald J Leek | 2 | son | — | Ohio |
| 32 | Frank Kendzior | 65 | head | Millman | Poland |
| 33 | Frances Kendzior | 60 | wife | — | Poland |
| 34 | Henry O Evers | 61 | head | Gardener | Ohio |
| 35 | James Miller | 48 | nephew-in-law | Painter | Ohio |
| 36 | Myrtle Miller | 47 | niece | — | Ohio |
| 37 | James O Lutz | 56 | head | Laborer | Virginia |
| 38 | May Lutz | 52 | wife | — | Ohio |
| 39 | Lawrence Lutz | 16 | son | New Worker | Ohio |
| 40 | William Lutz | 14 | son | — | Ohio |
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)