RC
Robert Chambers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, Indiana
Our Model Tree links this Robert Chambers across the 1930 and 1940 US Censuses in Monroe-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Indiana |
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indian Creek |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Industry | NP |
| Class of Worker | No |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indian Creek |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Betty Chambers | Daughter | — | 4 | ~1936 |
| Claude Chambers | Head | — | 43 | ~1897 |
| Dean Chambers | Son | — | 12 | ~1928 |
| Barbara Chambers | Daughter | — | 4 | ~1936 |
| Kenneth Chambers | Son | — | 8 | ~1932 |
| Elizabeth Chambers | Spouse | — | 35 | ~1905 |
| Robert Chambers | Son | — | 14 | ~1926 |
| Don Chambers | Son | — | 12 | ~1928 |
Census Appearances
1930
Monroe, Indiana
Son, age 4
Monroe, Indiana · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Monroe-County, Indiana
Son, age 14
Monroe-County, Indiana · implied b. ~1926 — 8 household members
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indian Creek |
| 1935 Residence (County) | Monroe |
| Industry | NP |
| Class of Worker | No |
| Highest Grade | No 5 |
| 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 14 · b. ~1926 · Indiana
★ You are viewing this record
Sibling
Don Chambers
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Chambers
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Chambers
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Chambers
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Chambers
Sibling · 1940 · age 12
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 — Monroe-County, Indiana
Open full size
1940 US Federal Census — Monroe-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01079-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jessie Carter | 19 | daughter | — | Indiana |
| 2 | Laddus Carter | 17 | son | — | Indiana |
| 3 | Dudly Carter | 12 | son | — | Indiana |
| 4 | Carl Ping | 40 | head | Hooker | Arkansas |
| 5 | Delia Ping | 35 | wife | — | Indiana |
| 6 | Bobby Ping | 12 | son | — | Indiana |
| 7 | Joan Klin Ping | 8 | son | — | Indiana |
| 8 | Richard Ping | 5 | son | — | Indiana |
| 9 | William Leonard Ping | 18 | son | — | Indiana |
| 10 | James J. Black | 55 | head | 52 | Ohio |
| 11 | Hertie Black | 52 | wife | — | Nebraska |
| 12 | Clarval Black | 19 | son | 0 | Oklahoma |
| 13 | Orval A. Black | 15 | son | — | Oklahoma |
| 14 | Jesse S. Wilson | 55 | head | 40 | Indiana |
| 15 | Nina E. Wilson | 50 | wife | — | Indiana |
| 16 | Jesse M. Wilson | 17 | daughter | — | Indiana |
| 17 | Orvill J. Wilson | 34 | son | 40 | Indiana |
| 18 | Ada Wilson | 25 | daughter-in-law | — | Indiana |
| 19 | Melva D. Wilson | 4 | granddaughter | — | Indiana |
| 20 | Brinda Wilson | 1 | granddaughter | — | Indiana |
| 21 | Samuel J. Wilson | 21 | son | 54 | Indiana |
| 22 | Logan Ping | 73 | head | Farmer | Indiana |
| 23 | Martha Ping | 63 | wife | — | Indiana |
| 24 | Claude Chambers | 43 | head | Laborer | Arkansas |
| 25 | Elizabeth Chambers | 35 | wife | — | Indiana |
| 26 | Robert Chambers THIS PERSON | 14 | son | — | Indiana |
| 27 | Don E. Chambers | 12 | son | — | Indiana |
| 28 | Dean J. Chambers | 12 | son | — | Indiana |
| 29 | Kenneth Chambers | 8 | son | — | Indiana |
| 30 | Barbara Chambers | 4 | daughter | — | Indiana |
| 31 | Betty Chambers | 4 | daughter | — | Indiana |
| 32 | Orville May | 39 | head | Laborer | Indiana |
| 33 | Margaret May | 28 | wife | — | Indiana |
| 34 | Virginia May | 6 | daughter | — | Indiana |
| 35 | Frank Krantz | 87 | head | Farmer | Indiana |
| 36 | Sara Krantz | 77 | wife | — | Indiana |
| 37 | Clara May | 59 | daughter | — | Indiana |
| 38 | George Byers | 30 | head | 2 | Indiana |
| 39 | Violet R. Byers | 26 | wife | — | Indiana |
| 40 | Irvan E. Byers | 8 | son | — | 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)