WF
Walter Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Walter Foster across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed), with identified parents Chapin & Marcus — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Foster |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Pendleton Township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Hours Worked | 40 |
| Income (1939) | 1239 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Pendleton Township |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Marcus Foster | Head | — | 73 | ~1867 |
| Emma Foster | Spouse | — | 65 | ~1875 |
| Walter Foster | Son | — | 32 | ~1908 |
Census Appearances
1920
Jefferson, Illinois
Son, age 12
Jefferson, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Walter C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jefferson, Illinois
Son, age 22
Jefferson, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Walter C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Illinois
Son, age 32
Jefferson-County, Illinois · implied b. ~1908 — 3 household members
| Surname | Foster |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Pendleton Township |
| 1935 Residence (County) | Jefferson |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Hours Worked | 40 |
| Income (1939) | 1239 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Walter Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chapin Foster (~0.92 confidence) and father Marcus Foster (~0.92 confidence) and father Marcus Foster (~0.92 confidence) and mother Emma Foster (~0.92 confidence) and mother Emma Foster (~0.92 confidence) and mother Emma Foster (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chapin Foster
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Marcus Foster
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Marcus Foster
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Emma Foster
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Emma Foster
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Emma Foster
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Foster
Son · 1940 · age 32 · b. ~1908 · Illinois
★ 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 — Jefferson-County, Illinois
Open full size
1940 US Federal Census — Jefferson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00816-00809)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marcus Foster | 73 | Head | Farmer | Illinois |
| 2 | Emma Foster | 65 | Wife | — | Illinois |
| 3 | Walter Foster THIS PERSON | 32 | Son | Teacher | Illinois |
| 4 | James R. Flood | 78 | Head | — | Kentucky |
| 5 | Mary R. Pace | 66 | Head | — | Illinois |
| 6 | Nathan D. Irwin | 55 | Head | Farmer | Illinois |
| 7 | Agnes Irwin | 50 | Wife | — | Illinois |
| 8 | Everett Dan Irwin | 27 | Son | Laborer | Illinois |
| 9 | Russell Irwin | 26 | Son | Fireman | Illinois |
| 10 | James Harrell | 40 | Head | Section Foreman | Illinois |
| 11 | Zula Harrell | 38 | Wife | — | Illinois |
| 12 | Eula Harrell | 17 | Daughter | — | Illinois |
| 13 | Maxine Harrell | 9 | Daughter | — | Illinois |
| 14 | Gerald Harrell | 4 | Son | — | Illinois |
| 15 | Herman D. Buff | 61 | Head | Farmer | Illinois |
| 16 | Eva Buff | 69 | Wife | — | Illinois |
| 17 | William Thorp | 52 | Head | Farmer | Missouri |
| 18 | Lewis Thorp | 17 | Son | Laborer | Missouri |
| 19 | Arthur Johnson | 32 | Head | Farmer | Illinois |
| 20 | Hallie Johnson | 27 | Wife | — | Illinois |
| 21 | Darlene Johnson | 1 | Daughter | — | Illinois |
| 22 | Samuel R. Bennett | 73 | Head | Farmer | Illinois |
| 23 | Julia Bennett | 64 | Wife | — | Illinois |
| 24 | Ethan Cluff | 43 | Head | Farmer | Tennessee |
| 25 | Maude Cluff | 38 | Wife | — | Tennessee |
| 26 | Beecher Cluff | 18 | Son | — | Tennessee |
| 27 | Wayne Cluff | 12 | Son | — | Tennessee |
| 28 | Stanley Cluff | 7 | Son | — | Tennessee |
| 29 | Ellis Schwenninger | 26 | Head | Farmer | Illinois |
| 30 | Susan Schwenninger | 23 | Wife | — | Illinois |
| 31 | Paul Schwenninger | 1 | Son | — | Illinois |
| 32 | Guy R. Schwenninger | 50 | Head | Farmer | Illinois |
| 33 | Jane Schwenninger | 50 | Wife | — | Illinois |
| 34 | Gilbert Shepherd | 34 | Head | Farmer | Illinois |
| 35 | Flora Shepherd | 67 | Mother | — | Indiana |
| 36 | Ben S. Eagle | 77 | Head | — | Illinois |
| 37 | Earl Koene | 52 | Head | Farmer | Illinois |
| 38 | Kathryn Koene | 48 | Wife | — | Illinois |
| 39 | Albert Thull | 46 | Head | Farmer | Illinois |
| 40 | Venita Thull | 35 | Wife | — | Illinois |
Pedigree Summary
Walter
Gen 1 · 6 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)