KW
Kenneth Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Illinois
Our Model Tree links this Kenneth Williams across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Illinois (XGBoost, ~Confirmed), with identified parents Willie & Nils — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Illinois |
| Surname | Williams |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rome Township |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Mail Delivery |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 432 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Rome Township |
| Est. Birth Year | ~1915 |
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 Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Ernest Williams | Son | — | 3 | ~1937 |
| Kenneth Williams | Head | — | 25 | ~1915 |
| Ruby Williams | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Jefferson, Illinois
Son, age 5
Jefferson, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Kenneth W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jefferson, Illinois
Son, age 15
Jefferson, Illinois · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jefferson-County, Illinois
Head, age 25
Jefferson-County, Illinois · implied b. ~1915 — 3 household members
| Surname | Williams |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rome Township |
| 1935 Residence (County) | Jefferson |
| Occupation | Truck Driver |
| Industry | Mail Delivery |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 432 |
| Highest Grade | H-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 Kenneth Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Willie Williams (~0.92 confidence) and father Nils Williams (~0.92 confidence) and mother Alma Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Willie Williams
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Nils Williams
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Alma Williams
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Williams
Head · 1940 · age 25 · b. ~1915 · 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-t0627-00816-00839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norman Marlow | 13 | Son | — | Illinois |
| 42 | Leslie Marlow | 11 | Son | — | Illinois |
| 43 | Dean Marlow | 8 | Son | — | Illinois |
| 44 | Vada Marlow | 6 | Daughter | — | Illinois |
| 45 | Elvan Crane | 58 | Head | Farmer | Illinois |
| 46 | Myrtle Crane | 70 | Wife | — | Illinois |
| 47 | Ellen Iona Crane | 4 | Daughter | — | Illinois |
| 48 | Viona Crane | 10 | Wife-in-law | — | Illinois |
| 49 | Glenn Sander | 42 | Head | Farmer | Illinois |
| 50 | Mary Sander | 41 | Wife | — | Illinois |
| 51 | Marjorie Sander | 15 | Daughter | — | Illinois |
| 52 | Thomas Pugh | 70 | Head | Farmer | Illinois |
| 53 | Leona Pugh | 44 | Daughter | — | Illinois |
| 54 | E. Lois Pugh | 31 | Daughter | — | Illinois |
| 55 | Charley True | 64 | Head | Farmer | Illinois |
| 56 | Ollie True | 63 | Wife | — | Illinois |
| 57 | Basil True | 38 | Son | Head Sawyer | Illinois |
| 58 | Ruth True | 16 | Daughter-in-law | — | Illinois |
| 59 | Edward Breezale | 26 | Head | Off Bearer | Missouri |
| 60 | Harry Breezale | 34 | Brother | Laborer | Missouri |
| 61 | Valmer Lambert | 48 | Head | Farmer | Illinois |
| 62 | Bessie Lambert | 40 | Wife | — | Illinois |
| 63 | Tillie Gausman | 52 | Head | — | Nebraska |
| 64 | John W. Hersey | 41 | Head | Laborer | Illinois |
| 65 | Olla S. Hersey | 37 | Wife | — | Illinois |
| 66 | Margaret Hersey | 14 | Daughter | — | Illinois |
| 67 | Lena Dey Hersey | 11 | Daughter | — | Illinois |
| 68 | Freddie Hersey | 8 | Son | — | Illinois |
| 69 | Henry Hersey | 6 | Son | — | Illinois |
| 70 | William Hunt | 69 | Head | — | — |
| 71 | Mattie Hunt | 69 | Wife | — | — |
| 72 | Nancy Garren | 71 | Head | — | Illinois |
| 73 | Daisy Allen | 61 | Daughter | — | Illinois |
| 74 | Charles Lofland | 15 | Grandson | — | Arkansas |
| 75 | Harold Summers | 20 | Head | Laborer | Illinois |
| 76 | Rose Summers | 20 | Wife | — | Illinois |
| 77 | Leslie Wayne Summers | 0 | Son | — | Illinois |
| 78 | Kenneth Williams THIS PERSON | 25 | Head | Truck Driver | Illinois |
| 79 | Ruby Williams | 25 | Wife | — | Illinois |
| 80 | Ernest Williams | 3 | Son | — | Illinois |
Pedigree Summary
Kenneth
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)