JK
John King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this John King across the 1920, 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Francis — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | King |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Whitehall City |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 480 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Whitehall City |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Betty King | Daughter | — | 16 | ~1924 |
| Lela King | Head | — | 62 | ~1878 |
| Richard King | Son | — | 14 | ~1926 |
| Robert King | Son | — | 12 | ~1928 |
| Harold King | Son | — | 29 | ~1911 |
| John King | Son | — | 21 | ~1919 |
Census Appearances
1920
Greene, Illinois
Son, age 1
Greene, Illinois · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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
Greene, Illinois
Son, age 12
Greene, Illinois · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | John |
| 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/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Son, age 21
Greene-County, Illinois · implied b. ~1919 — 6 household members
| Surname | King |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Whitehall City |
| 1935 Residence (County) | Greene |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 480 |
| Highest Grade | H 2 |
| 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 John King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank King (~0.92 confidence) and father Francis King (~0.92 confidence) and mother Lela King (~0.92 confidence) and mother Lela King (~0.92 confidence) and mother Lelia King (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank King
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Francis King
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lela King
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Lela King
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lelia King
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John King
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Robert King
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty King
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard King
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold King
Sibling · 1940 · age 29
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-t0627-00808-00454)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alva Powell | 54 | Head | Laborer | Illinois |
| 2 | Minnie Powell | 49 | Wife | — | Illinois |
| 3 | Margaret Powell | 18 | Daughter | — | Illinois |
| 4 | Iva Powell | 16 | Daughter | — | Illinois |
| 5 | Alvin Powell | 15 | Son | — | Illinois |
| 6 | Irene Powell | 12 | Daughter | — | Illinois |
| 7 | Bernell Jean Powell | 9 | Daughter | — | Illinois |
| 8 | Charles Cates | 82 | Head | — | Illinois |
| 9 | Walter Hudson | 43 | Head | Time Knocker | Illinois |
| 10 | Margaret Hudson | 42 | Wife | — | Illinois |
| 11 | Marie Hudson | 19 | Daughter | — | Illinois |
| 12 | Dorothy Hudson | 18 | Daughter | — | Illinois |
| 13 | Mary Hudson | 17 | Daughter | — | Illinois |
| 14 | Wilma Hudson | 14 | Daughter | — | Illinois |
| 15 | Ruth Hudson | 10 | Daughter | — | Illinois |
| 16 | Jerry Hudson | 7 | Son | — | Illinois |
| 17 | Ilene Hudson | 5 | Daughter | — | Illinois |
| 18 | Mary Vermillion | 58 | Head | Substitute Clerk | Illinois |
| 19 | Margaret Vermillion | 52 | Sister | — | Illinois |
| 20 | Ira Phillips | 29 | Head | Laborer | Illinois |
| 21 | Donald N Phillips | 9 | Son | — | Illinois |
| 22 | Ernest R Phillips | 7 | Son | — | Illinois |
| 23 | Della Lee Phillips | 6 | Daughter | — | Illinois |
| 24 | Myrtle L Phillips | 4 | Daughter | — | Illinois |
| 25 | Delbert Barnes | 36 | Head | Barber | Illinois |
| 26 | Albertine Barnes | 35 | Wife | — | Illinois |
| 27 | Peggy Barnes | 13 | Daughter | — | Illinois |
| 28 | George Barber | 48 | Head | Mechanic | Illinois |
| 29 | Irene Barber | 43 | Wife | — | Illinois |
| 30 | Lela B King | 62 | Head | — | Illinois |
| 31 | Harold King | 29 | Son | Laborer | Illinois |
| 32 | John King THIS PERSON | 21 | Son | Laborer | Illinois |
| 33 | Betty King | 16 | Daughter | — | Illinois |
| 34 | Richard King | 14 | Son | — | Illinois |
| 35 | Robert King | 12 | Son | — | Illinois |
| 36 | William Blake | 58 | Head | Carpenter | Illinois |
| 37 | Stella Blake | 58 | Wife | — | Illinois |
| 38 | Francis Piper | 46 | Head | Asst Cashier | Illinois |
| 39 | Helen Piper | 43 | Wife | — | Illinois |
| 40 | Howard Piper | 4 | Son | — | Illinois |
Related Census Records
Pedigree Summary
John + 4 siblings
Gen 1 · 5 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)