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Robert Oliver — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfax-County, Virginia
Our Model Tree links this Robert Oliver across the 1930 and 1940 US Censuses in Fairfax-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfax-County, Virginia |
| Surname | Oliver |
| Given Name | Robert R. |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Falls Church District |
| Additional Details | |
| Occupation | Farm hand |
| Class of Worker | NP |
| Hours Worked | 54 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Farm Hand |
| Township / Ward | Falls Church District |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Oliver | Head | — | 54 | ~1886 |
| Robert Oliver | Son | — | 19 | ~1921 |
| Gladis Oliver | Daughter | — | 11 | ~1929 |
| Helen Oliver | Daughter | — | 21 | ~1919 |
| Warren Oliver | Son | — | 17 | ~1923 |
| James Oliver | Son | — | 9 | ~1931 |
| Calvin Oliver | Son | — | 13 | ~1927 |
| Edna Oliver | Daughter | — | 23 | ~1917 |
| Charlene Oliver | Spouse | — | 40 | ~1900 |
| Clyde Oliver | Son | — | 16 | ~1924 |
Census Appearances
1930
Arlington, Virginia
Son, age 9
Arlington, Virginia · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Fairfax-County, Virginia
Son, age 19
Fairfax-County, Virginia · implied b. ~1921 — 10 household members
| Surname | Oliver |
| Given Name | Robert R. |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Falls Church District |
| Occupation | Farm hand |
| Class of Worker | NP |
| Hours Worked | 54 |
| Highest Grade | No 8 |
| 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 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 19 · b. ~1921 · Virginia
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Sibling
Gladis Oliver
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Oliver
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Oliver
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Oliver
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Oliver
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Oliver
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Oliver
Sibling · 1940 · age 16
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 — Fairfax-County, Virginia
Open full size
1940 US Federal Census — Fairfax-County, Virginia
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04261-00316)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lavern Kutch | 28 | head | Manager | Colorado |
| 2 | May Kutch | 27 | Wife | — | Canada Eng |
| 3 | Wesley E. Kutch | 3 | SON | — | Florida |
| 4 | Fred Collins | 43 | head | Painter | Virginia |
| 5 | Hulda Collins | 47 | wife | — | Virginia |
| 6 | Harris R. Collins | 20 | SON | Carpenter | Virginia |
| 7 | Emma E. Collins | 18 | daughter | — | Virginia |
| 8 | W. Lee Collins | 16 | SON | — | Virginia |
| 9 | William F. Adkins | 59 | head | Mechanic | Virginia |
| 10 | Minnie S. Adkins | 62 | wife | — | N. C. |
| 11 | Charlotte Adkins | 31 | SON | Carpenter | Virginia |
| 12 | William J. Adkins | 26 | SON | Guard | Virginia |
| 13 | John W. Mercer | 53 | head | Laborer | Virginia |
| 14 | Emma J. Cox | 88 | AUNT | — | Virginia |
| 15 | Robert S. Oliver | 54 | head | Farmer | Virginia |
| 16 | Charlene Oliver | 40 | wife | — | Tenn. |
| 17 | Edna Oliver | 23 | daughter | Credit Clerk | Virginia |
| 18 | Helen V. Oliver | 21 | daughter | Clerk | Virginia |
| 19 | Robert R. Oliver THIS PERSON | 19 | SON | Farm Hand | Virginia |
| 20 | Warren N. Oliver | 17 | SON | — | Virginia |
| 21 | Clyde W. Oliver | 16 | SON | — | Virginia |
| 22 | Calvin E. Oliver | 13 | SON | — | Virginia |
| 23 | Gladis M. Oliver | 11 | daughter | — | Virginia |
| 24 | James Oliver | 9 | SON | — | Virginia |
| 25 | Melvin P. Smith | 37 | head | Lawyer | Illinois |
| 26 | Mary E. Smith | 34 | wife | — | Maryland |
| 27 | Marilyn Smith | 10 | daughter | — | Washington D.C. |
| 28 | Lowell Smith | 4 | SON | — | Washington D.C. |
| 29 | Alfred Mills | 36 | head | Operator | Maryland |
| 30 | Virginia Mills | 30 | wife | — | W. Virginia |
| 31 | Gary Mills | 3 | SON | — | Washington D.C. |
| 32 | Kenneth Woolfenden | 37 | head | Operator | Virginia |
| 33 | Elsie Woolfenden | 31 | wife | — | Virginia |
| 34 | Doris Jean Woolfenden | 11 | daughter | — | Washington D.C. |
| 35 | Joan D. Woolfenden | 10 | daughter | — | Washington D.C. |
| 36 | Donald Woolfenden | 8 | SON | — | Washington D.C. |
| 37 | Ronald Woolfenden | 6 | SON | — | Washington D.C. |
| 38 | Robert Woolfenden | 3 | SON | — | Washington D.C. |
Related Census Records
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)