RC
Robert Chambers — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Robert Chambers across the 1910, 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Reily Township |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Truck Driver |
| Township / Ward | Reily Township |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Chambers | Son | — | 33 | ~1907 |
| Lora Chambers | Daughter | — | 26 | ~1914 |
| Jessie Chambers | Spouse | — | 57 | ~1883 |
| Charles Chambers | Head | — | 67 | ~1873 |
Census Appearances
1910
Butler, Ohio
Son, age 3
Butler, Ohio · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Rupert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Butler, Ohio
Son, age 12
Butler, Ohio · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Son, age 23
Butler, Ohio · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | Rupert V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | Truck driver |
| Industry | Public Utility |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Son, age 33
Butler-County, Ohio · implied b. ~1907 — 4 household members
| Surname | Chambers |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Reily Township |
| 1935 Residence (County) | Butler |
| Occupation | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 400 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| 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 Chambers across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Chambers (~0.92 confidence) and father Charles Chambers (~0.92 confidence) and mother Jessie Chambers (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Chambers
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Charles Chambers
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Jessie Chambers
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Chambers
Son · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Lora Chambers
Sibling · 1940 · age 26
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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03035-00807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Stevens | 70 | Sister | House Keeper | Indiana |
| 42 | Hardin Parker | 46 | Head | Labor | Kentucky |
| 43 | Marie Parker | 36 | Wife | House Keeper | Ohio |
| 44 | Melvin Parker | 14 | Son | — | Ohio |
| 45 | Phyllis Parker | 12 | Daughter | — | Ohio |
| 46 | Clive Butts | 43 | Head | Tool Maker | Ohio |
| 47 | Ruth Butts | 43 | Wife | House Keeper | Ohio |
| 48 | Esther Butts | 16 | Daughter | — | Ohio |
| 49 | Arlene Butts | 10 | Daughter | — | Ohio |
| 50 | Matthew Fichter | 62 | Head | Merchant | Ohio |
| 51 | Mary Fichter | 54 | Wife | House Keeper | Indiana |
| 52 | George S. Fichter | 18 | Son | — | Ohio |
| 53 | Wildon Rouse | 79 | Head | — | Ohio |
| 54 | Anna Rouse | 67 | Wife | House Keeper | Ohio |
| 55 | Charles Chambers | 67 | Head | — | Indiana |
| 56 | Jessie Chambers | 57 | Wife | House Keeper | Ohio |
| 57 | Robert Chambers THIS PERSON | 33 | Son | Truck Driver | Ohio |
| 58 | Lora Mae Chambers | 26 | Daughter | Sales Lady | Ohio |
| 59 | Charles Dunn | 54 | Head | Painter | Indiana |
| 60 | Mary Dunn | 55 | Wife | House Keeper | Kentucky |
| 61 | Kathleen Hale | 17 | Daughter | — | Ohio |
| 62 | Leonard Hammons | 64 | Head | Blacksmith | Kentucky |
| 63 | Emily Hammons | 61 | Wife | House Keeper | Ohio |
| 64 | Eva Hammons | 31 | Daughter | House Keeper | Ohio |
| 65 | Frank Riker | 62 | Head | Funeral Director | Ohio |
| 66 | Mable Riker | 60 | Wife | House Keeper | Ohio |
| 67 | Ennes Riker | 68 | Brother | Music Teacher | Ohio |
| 68 | Ollie Boger | 72 | Head | — | Indiana |
| 69 | Alice Boger | 43 | Daughter | House Keeper | Ohio |
| 70 | George Metzly | 64 | Head | Janitor | Ohio |
| 71 | Gussie Metzly | 58 | Wife | House Keeper | Ohio |
| 72 | George L. Jacoby | 50 | Head | — | Ohio |
| 73 | Elsie Jacoby | 48 | Wife | House Keeper | Ohio |
| 74 | George A. Jacoby | 22 | Son | Welding | Ohio |
| 75 | Virginia Jacoby | 8 | Daughter | — | Ohio |
| 76 | E. Hewitt Flint | 57 | Head | Janitor | Indiana |
| 77 | Mary Flint | 60 | Wife | House Keeper | Ohio |
| 78 | Charles E. Stevens | 63 | Head | Painter | Ohio |
| 79 | Clifford Schlotterbeck | 24 | Head | Construction | Ohio |
| 80 | Mable Schlotterbeck | 20 | Wife | House Keeper | Ohio |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)