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Charles Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this Charles Cox across the 1920, 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Cox |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Whitehall Twp |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Whitehall Twp |
| Est. Birth Year | ~1917 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Martha Cox | Daughter | — | 18 | ~1922 |
| Fred Cox | Head | — | 60 | ~1880 |
| Charles Cox | Son | — | 23 | ~1917 |
| Myra Cox | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Greene, Illinois
Son, age 3
Greene, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Charley E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Greene, Illinois
Son, age 14
Greene, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Son, age 23
Greene-County, Illinois · implied b. ~1917 — 4 household members
| Surname | Cox |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Whitehall Twp |
| 1935 Residence (County) | Greene |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Charles Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Cox (~0.92 confidence) and father Fred Cox (~0.92 confidence) and mother Myra Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Cox
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Fred Cox
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Myra Cox
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Cox
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Martha Cox
Sibling · 1940 · age 18
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 — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ora Edwards | 62 | Head | — | Illinois |
| 2 | Florence Edwards | 50 | Sister | — | Illinois |
| 3 | James Emmons | 52 | Head | Operator | Illinois |
| 4 | Opal Emmons | 37 | Wife | — | Illinois |
| 5 | Howard Emmons | 17 | Son | — | Illinois |
| 6 | John Cox | 25 | Head | Operator | Illinois |
| 7 | Helen Cox | 24 | Wife | Teacher | Illinois |
| 8 | Josephine De Shasier | 51 | Head | — | Illinois |
| 9 | Harry De Shasier | 23 | Son | Laborer | Illinois |
| 10 | Robert Shaw | 30 | Son in law | Laborer | Illinois |
| 11 | Zarah Shaw | 27 | Daughter | — | Illinois |
| 12 | Beverly J. Shaw | 6 | Grand dau | — | Illinois |
| 13 | Imogene Shaw | 4 | Grand dau | — | Illinois |
| 14 | Robert Shaw | 2 | Grand son | — | Illinois |
| 15 | Fred Cox | 60 | Head | Operator | Illinois |
| 16 | Myra Cox | 52 | Wife | — | Illinois |
| 17 | Charles Cox THIS PERSON | 23 | Son | Laborer | Illinois |
| 18 | Martha Cox | 18 | Daughter | — | Illinois |
| 19 | Cletus Reynolds | 44 | Head | Operator | Illinois |
| 20 | Celia Reynolds | 38 | Wife | — | Illinois |
| 21 | Rittie Reynolds | 13 | Daughter | — | Illinois |
| 22 | Richard Reynolds | 9 | Son | — | Illinois |
| 23 | Phyllis Reynolds | 7 | Daughter | — | Illinois |
| 24 | Mae Trees | 63 | Mother in law | — | Illinois |
| 25 | Perry White | 57 | Head | Operator | Illinois |
| 26 | Christie White | 54 | Wife | — | Illinois |
| 27 | Claude White | 35 | Son | Laborer | Illinois |
| 28 | Edward Roodhouse | 44 | Head | Operator | Illinois |
| 29 | Louise Roodhouse | 42 | Wife | — | Illinois |
| 30 | Warren Roodhouse | 22 | Son | — | Illinois |
| 31 | Rosetta Roodhouse | 20 | Daughter | — | Illinois |
| 32 | Edward Jr. Roodhouse | 16 | Son | — | Illinois |
| 33 | Harold Smith | 27 | Head | Laborer | Illinois |
| 34 | Ella Smith | 25 | Wife | — | Illinois |
| 35 | Clarence R. Smith | 3 | Son | — | Illinois |
| 36 | Harold Jr. Smith | 1 | Son | — | Illinois |
| 37 | Carl Peters | 35 | Head | Operator | Illinois |
| 38 | Alita Peters | 36 | Wife | — | Illinois |
| 39 | Carla Peters | 10 | Daughter | — | Illinois |
| 40 | Carroll Peters | 1 | Daughter | — | Illinois |
Pedigree Summary
Charles + 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)