CJ
Chester Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamson-County, Illinois
Our Model Tree links this Chester Johnson across the 1920, 1930 and 1940 US Censuses in Williamson-County, Illinois (XGBoost, ~Confirmed), with identified parents Martin & Arinda — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Illinois |
| Surname | Johnson |
| Given Name | Chester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Grassy Twp |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Occupation | Private drive |
| Industry | PW |
| Class of Worker | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | 42 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Private Drive |
| Township / Ward | Grassy Twp |
| Est. Birth Year | ~1914 |
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 Chester | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Johnson | Daughter | — | 5 | ~1935 |
| Mary Johnson | Spouse | — | 24 | ~1916 |
| Chester Johnson | Head | — | 26 | ~1914 |
| Marilyn Johnson | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Williamson, Illinois
Son, age 6
Williamson, Illinois · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Chester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Williamson, Illinois
Son, age 17
Williamson, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Chester |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Williamson-County, Illinois
Head, age 26
Williamson-County, Illinois · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | Chester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Grassy Twp |
| 1935 Residence (County) | Williamson |
| Occupation | Private drive |
| Industry | PW |
| Class of Worker | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | 42 |
| 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 Chester Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Johnson (~0.92 confidence) and mother Arinda Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Arinda Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Chester Johnson
Head · 1940 · age 26 · b. ~1914 · 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 — Williamson-County, Illinois
Open full size
1940 US Federal Census — Williamson-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00911-00367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chester Johnson THIS PERSON | 26 | Head | Private Drive | Illinois |
| 42 | Mary Johnson | 24 | Wife | — | Arkansas |
| 43 | Phyllis Johnson | 5 | Daughter | — | Illinois |
| 44 | Marilyn Johnson | 4 | Daughter | — | Illinois |
| 45 | Raymond Cato | 36 | Head | Public Road | Illinois |
| 46 | Gladys Cato | 34 | Wife | — | Illinois |
| 47 | Edith Cato | 15 | Daughter | — | Illinois |
| 48 | Roland Cato | 13 | Son | — | Illinois |
| 49 | Eldo Fox | 57 | Head | Farm | Illinois |
| 50 | Pyn Etherton | 63 | Head | Farm | Illinois |
| 51 | Elva Etherton | 62 | Wife | — | Illinois |
| 52 | John Hubbard | 45 | Head | Farm | Illinois |
| 53 | Lura Hubbard | 35 | Wife | — | Illinois |
| 54 | Juanita Hubbard | 13 | Daughter | — | Illinois |
| 55 | James Hubbard | 8 | Son | — | Illinois |
| 56 | T. M. Futrell | 64 | Head | Farm | Illinois |
| 57 | Sarah Futrell | 63 | Wife | — | Illinois |
| 58 | Marion Futrell | 32 | Son | Farm | Illinois |
| 59 | Oral Futrell | 34 | Head | Public Road | Illinois |
| 60 | Bonnie Futrell | 24 | Wife | — | Kentucky |
| 61 | John Davis | 35 | Head | Private | Illinois |
| 62 | Hale Burnette Davis | 21 | Son | Public Road | Illinois |
| 63 | Evelyn Davis | 19 | Daughter | — | Illinois |
| 64 | Charley Crowell | 67 | Head | Farm | Illinois |
| 65 | Maggie Crowell | 63 | Wife | — | Illinois |
| 66 | Fred Wilson | 45 | Head | Farm | Illinois |
| 67 | Mae Wilson | 41 | Wife | — | Illinois |
| 68 | Fred Jr. Wilson | 12 | Son | — | Illinois |
| 69 | Clifton Crowell | 28 | Head | Farm | Illinois |
| 70 | Neva Crowell | 29 | Wife | — | Illinois |
| 71 | Clifton Jr. Crowell | 7 | Son | — | Illinois |
| 72 | Calvin R. Crowell | 6 | Son | — | Illinois |
| 73 | Joyce F. Crowell | 4 | Daughter | — | Illinois |
| 74 | Kenneth D. Crowell | 2 | Son | — | Illinois |
| 75 | Jack D. Crowell | 0 | Son | — | Illinois |
| 76 | Claud Knight | 26 | Head | Coal Mine Farm | Illinois |
| 77 | Anna Knight | 23 | Wife | — | Illinois |
| 78 | Ralph Knight | 4 | Son | — | Illinois |
| 79 | William H. Knight | 1 | Son | — | Illinois |
| 80 | James Knight | 53 | Father | Farm | Illinois |
Pedigree Summary
Chester
Gen 1 · 2 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)