RF
Robert Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Indiana
Our Model Tree links this Robert Foster across the 1920, 1930 and 1940 US Censuses in Fayette-County, Indiana (XGBoost, ~Confirmed), with identified parents Harry & Bertha — first a son (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Son
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Indiana |
| Surname | Foster |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Columbia Twp. |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Assembler |
| Industry | Refrigerator Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 353 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Assembler |
| Township / Ward | Columbia Twp |
| Est. Birth Year | ~1910 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Harry Foster | Head | — | 58 | ~1882 |
| Nancy Foster | Other | — | 25 | ~1915 |
| Robert Foster | Other | — | 4 | ~1936 |
| Martha Foster | Other | — | 3 | ~1937 |
| Robert Foster | Son | — | 30 | ~1910 |
| Mattie Foster | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Fayette, Indiana
Son, age 10
Fayette, Indiana · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Fayette, Indiana
Son, age 20
Fayette, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Tool Maker |
| Industry | Lamp Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Fayette-County, Indiana
Son, age 30
Fayette-County, Indiana · implied b. ~1910 — 6 household members
| Surname | Foster |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Columbia Twp. |
| 1935 Residence (County) | Fayette |
| Occupation | Assembler |
| Industry | Refrigerator Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 353 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Foster (~0.92 confidence) and mother Bertha Foster (~0.92 confidence) and mother Mattie Foster (~0.92 confidence) and mother Mattie Foster (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Foster
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bertha Foster
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mattie Foster
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mattie Foster
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Foster
Son · 1940 · age 30 · b. ~1910 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fayette-County, Indiana
Open full size
1940 US Federal Census — Fayette-County, Indiana
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-01042-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eli Warner | 73 | Uncle | — | Indiana |
| 2 | Edward Peters | 30 | Head | Press Operator | Kentucky |
| 3 | Martha Peters | 30 | Wife | — | Kentucky |
| 4 | Bobby Edward Peters | 9 | Son | — | Indiana |
| 5 | Donald Lee Peters | 5 | Son | — | Indiana |
| 6 | Rudolph Ross | 30 | Head | Welder | Kentucky |
| 7 | Hazel Ross | 21 | Wife | — | Ohio |
| 8 | Jeanie Lou Ross | 0 | Daughter | — | Indiana |
| 9 | Charles Peters | 55 | Head | Operator | Kentucky |
| 10 | Ruford Peters | 21 | Son | — | Kentucky |
| 11 | John Johnson | 37 | Head | Punch Press | Kentucky |
| 12 | Margaret Johnson | 24 | Wife | — | Kentucky |
| 13 | Jimmie Lee Johnson | 5 | Son | — | Indiana |
| 14 | Charles Johnson | 3 | Son | — | Indiana |
| 15 | Alvin V. Stone | 74 | Head | Operator | Indiana |
| 16 | Clara Stone | 73 | Wife | — | Indiana |
| 17 | Sargent Thomas | 30 | Head | Mail Carrier | Indiana |
| 18 | Velma Thomas | 25 | Wife | — | Indiana |
| 19 | Harry C. Foster | 58 | Head | Supervisor | Indiana |
| 20 | Mattie Foster | 56 | Wife | — | Indiana |
| 21 | Robert J. Foster THIS PERSON | 30 | Son | Assembler | Indiana |
| 22 | Nancy Catherine Foster | 25 | Daughter-in-law | — | Kentucky |
| 23 | Robert Clyde Foster | 4 | Grandson | — | Indiana |
| 24 | Martha Jean Foster | 3 | Granddaughter | — | Indiana |
| 25 | Charles H. Stone | 48 | Head | Proprietor | Indiana |
| 26 | Mary Stone | 27 | Wife | — | Indiana |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 4 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)