JC
Joseph Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Joseph Cox across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville (Outside) |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | truck driver |
| Industry | Armour & Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Truck Driver |
| Township / Ward | Danville Outside |
| Est. Birth Year | ~1913 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Cox | Head | — | 27 | ~1913 |
| Joseph Cox | Son | — | 3 | ~1937 |
| Vivian Cox | Spouse | — | 24 | ~1916 |
| Alfred Cox | Son | — | ~1940 |
Census Appearances
1920
Vermilion, Illinois
Son, age 7
Vermilion, Illinois · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Son, age 17
Vermilion, Illinois · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | 17 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Bale man |
| Industry | Corn Stalk Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Head, age 27
Vermilion-County, Illinois · implied b. ~1913 — 4 household members
| Surname | Cox |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville (Outside) |
| 1935 Residence (County) | Vermilion |
| Occupation | truck driver |
| Industry | Armour & Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 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 Joseph Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Cox (~0.92 confidence) and father William Cox (~0.92 confidence) and mother Clara Cox (~0.92 confidence) and mother Clara Cox (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Cox
b. ~1866
Source father
● Household
· direct · ~0.92
Father
William Cox
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Clara Cox
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Clara Cox
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Cox
Head · 1940 · age 27 · b. ~1913 · 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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00898-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Della D. Davis | 26 | Wife | Housework | Illinois |
| 42 | Floyd Bostineck | 35 | Head | Laborer | Illinois |
| 43 | Janice D. Bostineck | 23 | Wife | — | Illinois |
| 44 | Kenneth Robert Bostineck | 4 | Son | — | Illinois |
| 45 | Earl Lester Deck | 20 | Brother | Salesman | Illinois |
| 46 | Joseph Cox THIS PERSON | 27 | Head | Truck Driver | Illinois |
| 47 | Vivian D. Cox | 24 | Wife | — | Illinois |
| 48 | Joseph Clarence Cox | 3 | Son | — | Illinois |
| 49 | Alfred Ree Cox | 0 | Son | — | Illinois |
| 50 | Lewis E. Harrington | 54 | Head | Telegraph Op. | Indiana |
| 51 | Hazel D. Harrington | 48 | Wife | — | Illinois |
| 52 | Vera Harrington | 22 | Daughter | Beauty Opret. | Indiana |
| 53 | Eddie Sumila | 37 | Head | Laborer | Illinois |
| 54 | Esther D. Sumila | 32 | Wife | — | Indiana |
| 55 | Franklin M. Bailey | 37 | Head | Fireman | Illinois |
| 56 | Mary E. D. Bailey | 32 | Wife | — | Illinois |
| 57 | Megan Bailey | 12 | Daughter | — | Illinois |
| 58 | Mary Jo Bailey | 5 | Daughter | — | Illinois |
| 59 | Ray Bevan | 64 | Head | Conductor | Indiana |
| 60 | Cora D. Bevan | 61 | Wife | — | Indiana |
| 61 | John Edward Bevan | 22 | Son | — | Illinois |
| 62 | William Arkely | 39 | Head | Meat Cutter | Illinois |
| 63 | Edith D. Arkely | 33 | Wife | Local Supervisor | Illinois |
| 64 | Leonard Beauvois | 44 | Head | Plumber | Illinois |
| 65 | Allula Beauvois | 40 | Wife | Clerk | Illinois |
| 66 | Samuel Rodman | 38 | Head | Agent | Illinois |
| 67 | Rhoda Rodman | 33 | Wife | — | Illinois |
| 68 | Robert Mac Rodman | 2 | Son | — | Illinois |
| 69 | Ralph Eaton | 40 | Head | Machinist | Illinois |
| 70 | Artie Eaton | 41 | Wife | Office Asst | Illinois |
| 71 | Madeline Gibson | 73 | Mother in law | — | Illinois |
| 72 | William D. Halbert | 46 | Head | Service Man | Ohio |
| 73 | Estella Halbert | 49 | Wife | — | Illinois |
| 74 | Josephine Ann Halbert | 30 | Daughter | — | New York |
| 75 | Charles D. Petty | 28 | Head | Laborer | Illinois |
| 76 | Mary Petty | 28 | Wife | — | Illinois |
| 77 | Preston D. Eaton | 74 | Head | — | Illinois |
| 78 | Nevmaha M. Eaton | 69 | Wife | — | Illinois |
| 79 | Frank Randolph | 46 | Head | Attendant | Kansas |
| 80 | Lillian Randolph | 41 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Joseph
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)