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Robert Oliver — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Clay, Illinois
Our Model Tree links this Robert Oliver across the 1920 and 1930 US Censuses in Clay, Illinois (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 10-person household.
Age 15
b. ~1915
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Clay, Illinois |
| Surname | Oliver |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Louisville Village |
| 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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| William Oliver | Son | — | 4 | ~1926 |
| Raymond Oliver | Son | — | 17 | ~1913 |
| Warren Oliver | Son | — | 9 | ~1921 |
| Samuel Oliver | Head | — | 47 | ~1883 |
| Elmer Oliver | Son | — | 19 | ~1911 |
| Charles Oliver | Son | — | 12 | ~1918 |
| Raynell Oliver | Spouse | — | 41 | ~1889 |
| Helen Oliver | Daughter | — | 6 | ~1924 |
| Morris Oliver | Son | — | 1 | ~1929 |
| Robert Oliver | Son | — | 15 | ~1915 |
Census Appearances
1920
Clay, Illinois
Son, age 4
Clay, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Oliver |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Clay, Illinois
Son, age 15
Clay, Illinois · implied b. ~1915 — 10 household members
| Surname | Oliver |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | No |
| 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 Robert Oliver across 2 US Census years (1920 and 1930) in Clay, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Oliver
Son · 1930 · age 15 · b. ~1915 · Illinois
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Sibling
William Oliver
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Oliver
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Oliver
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Oliver
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Oliver
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Oliver
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Oliver
Sibling · 1930 · age 19
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
1930 US Federal Census — Clay, Illinois
Open full size
1930 US Federal Census — Clay, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel411:0806)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklin B. Burdon | 60 | Head | Funeral Director | Ohio |
| 2 | Nellie Burdon | 52 | Wife | None | Illinois |
| 3 | George W. Brewer | 53 | Head | Operator | Illinois |
| 4 | Hazel H. Brewer | 36 | Wife | None | Illinois |
| 5 | George Jr. Brewer | 9 | Son | None | Illinois |
| 6 | Mary J. Brewer | 8 | Daughter | None | Illinois |
| 7 | Charles D. Brewer | 6 | Son | None | Illinois |
| 8 | Gwen E. Brewer | 4 | Daughter | None | Illinois |
| 9 | Samuel W. Brewer | 1 | Son | None | Illinois |
| 10 | Samuel C. Oliver | 47 | Head | Laborer | Illinois |
| 11 | Raynell Oliver | 41 | Wife | None | Illinois |
| 12 | Elmer J. Oliver | 19 | Son | Clerk | Illinois |
| 13 | Raymond L. Oliver | 17 | Son | None | Illinois |
| 14 | Robert C. Oliver THIS PERSON | 15 | Son | None | Illinois |
| 15 | Charles Y. Oliver | 12 | Son | None | Illinois |
| 16 | Warren S. Oliver | 9 | Son | None | Illinois |
| 17 | Helen M. Oliver | 6 | Daughter | None | Illinois |
| 18 | William D. Oliver | 4 | Son | None | Illinois |
| 19 | Morris W. Oliver | 1 | Son | None | Illinois |
| 20 | James Todd | 62 | Head | Painter | Illinois |
| 21 | Isabel Todd | 49 | Wife | None | Illinois |
| 22 | William T. Tate | 69 | Head | Carpenter | Indiana |
| 23 | Cora J. Tate | 63 | Wife | None | Indiana |
| 24 | Webster G. Dillman | 70 | Head | Merchant | Illinois |
| 25 | Walter F. Dillman | 30 | Son | Clerk | Illinois |
| 26 | Jeanette L. Dillman | 21 | Daughter-in-law | None | Illinois |
| 27 | Jacqueline J. Dillman | 2 | Granddaughter | None | Illinois |
| 28 | Joseph Cambrous | 50 | Head | Deputy Sheriff | Indiana |
| 29 | Emma E. Cambrous | 39 | Wife | None | Illinois |
| 30 | Helen M. Cambrous | 10 | Daughter | None | Illinois |
| 31 | William E. Todd | 24 | Head | Teacher | Illinois |
| 32 | Zula Todd | 24 | Wife | None | Illinois |
| 33 | Louis Ballard | 27 | Head | Chef | Illinois |
| 34 | Mary E. Ballard | 22 | Wife | None | Illinois |
| 35 | Bentley L. Ballard | 1 | Son | None | Illinois |
| 36 | Margaret M. Ballard | 72 | Mother | None | Illinois |
| 37 | Rufus H. Toliver | 57 | Head | Laborer | Illinois |
| 38 | Nora Toliver | 50 | Wife | None | Illinois |
| 39 | Mary E. Toliver | 15 | Daughter | None | Illinois |
| 40 | William C. Toliver | 13 | Son | None | Illinois |
| 41 | Robert J. Toliver | 11 | Son | None | Illinois |
| 42 | Rufus Jr. Toliver | 10 | Son | None | Illinois |
| 43 | Oren A. Toliver | 8 | Son | None | Illinois |
| 44 | Gladys Courtright | 44 | Head | None | Illinois |
| 45 | Walter Courtright | 17 | Son | Clerk | Illinois |
| 46 | Marion Courtright | 14 | Son | None | Illinois |
| 47 | Marjorie Courtright | 11 | Daughter | None | Illinois |
| 48 | Jean Courtright | 9 | Daughter | None | Illinois |
| 49 | Lois Courtright | 6 | Daughter | None | Illinois |
| 50 | Arthur Courtright | 3 | Son | None | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)