RC
Robert Chambers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Indiana
Our Model Tree links this Robert Chambers across the 1930 and 1940 US Censuses in Greene-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 12-person household.
Age 19
b. ~1921
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Indiana |
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newberry Town |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Trucking |
| Industry | General Hauling |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 420 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Trucking |
| Township / Ward | Newberry Town |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Quince Chambers | Head | — | 53 | ~1887 |
| Robert Chambers | Son | — | 19 | ~1921 |
| Junior Chambers | Son | — | 12 | ~1928 |
| James Chambers | Son | — | 7 | ~1933 |
| Deffen Chambers | Son | — | 21 | ~1919 |
| Thomas Chambers | Son | — | 4 | ~1936 |
| Vernon Chambers | Son | — | 14 | ~1926 |
| Mary Chambers | Daughter | — | 5 | ~1935 |
| Edith Chambers | Spouse | — | 40 | ~1900 |
| Ralph Chambers | Son | — | 2 | ~1938 |
| Dallas Chambers | Son | — | 9 | ~1931 |
| Estel Chambers | Son | — | 18 | ~1922 |
Census Appearances
1930
Greene, Indiana
Son, age 9
Greene, Indiana · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Greene-County, Indiana
Son, age 19
Greene-County, Indiana · implied b. ~1921 — 12 household members
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Newberry Town |
| 1935 Residence (County) | Greene |
| Occupation | Trucking |
| Industry | General Hauling |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 420 |
| Highest Grade | Hs 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Chambers across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Chambers
Son · 1940 · age 19 · b. ~1921 · Indiana
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Sibling
Mary Chambers
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Junior Chambers
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Chambers
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Chambers
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dallas Chambers
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Chambers
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deffen Chambers
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Chambers
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estel Chambers
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 — Greene-County, Indiana
Open full size
1940 US Federal Census — Greene-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01049-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James H. Barker | 70 | Head | — | Indiana |
| 2 | Emma A. Barker | 50 | Daughter | — | Indiana |
| 3 | Ella F. Mcintosh | 79 | Head | — | Ohio |
| 4 | Sarah B. Richardson | 75 | Head | — | Indiana |
| 5 | Larry Kinnaman | 48 | Head | Proprietor | Indiana |
| 6 | Thelma Kinnaman | 42 | Wife | — | Indiana |
| 7 | Mirth K. Newman | 41 | Head | Depot Agent | Indiana |
| 8 | Ophelia Newman | 41 | Wife | — | Indiana |
| 9 | Quince D. Chambers | 53 | Head | Trucking | Indiana |
| 10 | Edith Chambers | 40 | Wife | — | Indiana |
| 11 | Deffen Chambers | 21 | Son | Trucking | Indiana |
| 12 | Robert Chambers THIS PERSON | 19 | Son | Trucking | Indiana |
| 13 | Estel Chambers | 18 | Son | Labor | Indiana |
| 14 | Vernon Chambers | 14 | Son | — | Indiana |
| 15 | Junior Chambers | 12 | Son | — | Indiana |
| 16 | Dallas Chambers | 9 | Son | — | Indiana |
| 17 | James Chambers | 7 | Son | — | Indiana |
| 18 | Mary Alice Chambers | 5 | Daughter | — | Indiana |
| 19 | Thomas Chambers | 4 | Son | — | Indiana |
| 20 | Ralph Chambers | 2 | Son | — | Indiana |
| 21 | Cora Jones | 64 | Head | — | Indiana |
| 22 | Chauncey Baker | 52 | Head | Blacksmith | Indiana |
| 23 | Lora Baker | 52 | Wife | — | Indiana |
| 24 | Carl Baker | 28 | Son | Labor | Indiana |
| 25 | Odis Hall | 42 | Head | Janitor | Indiana |
| 26 | Bessie Hall | 43 | Wife | — | Illinois |
| 27 | Eula Hall | 22 | Daughter | Bookkeeper | Indiana |
| 28 | Gerald Hall | 19 | Son | Bridge Construction | Indiana |
| 29 | William Hall | 15 | Son | — | Indiana |
| 30 | Catherine Padgett | 87 | Mother-in-law | — | Illinois |
| 31 | Frank Weather | 74 | Head | — | Indiana |
| 32 | Ray York | 47 | Head | Farmer | Indiana |
| 33 | Goldie York | 40 | Wife | — | Indiana |
| 34 | Eugene R. York | 19 | Son | Truck Driver | Indiana |
| 35 | Madalin York | 16 | Daughter | — | Indiana |
| 36 | Lerna York | 11 | Daughter | — | Indiana |
| 37 | John Mattox | 33 | Head | Road Project | Indiana |
| 38 | Irene Mattox | 32 | Wife | — | Indiana |
| 39 | Evelyn Mattox | 8 | Daughter | — | Indiana |
| 40 | Naoma Sue Mattox | 6 | Daughter | — | Indiana |
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)