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Robert King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this Robert King across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Chas & Chris — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | King |
| Given Name | Robert R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Groveland Twp. |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Occupation | Foundry worker |
| Industry | Tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Foundry Worker |
| Township / Ward | Groveland 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arline King | Daughter | — | 16 | ~1924 |
| Mary King | Daughter | — | 20 | ~1920 |
| Arthur King | Head | — | 53 | ~1887 |
| Melvin King | Son | — | 28 | ~1912 |
| Robert King | Son | — | 23 | ~1917 |
Census Appearances
1920
Tazewell, Illinois
Son, age 3
Tazewell, Illinois · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Tazewell, Illinois
Son, age 13
Tazewell, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Robert R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Tazewell-County, Illinois
Son, age 23
Tazewell-County, Illinois · implied b. ~1917 — 5 household members
| Surname | King |
| Given Name | Robert R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Groveland Twp. |
| 1935 Residence (County) | Tazewell |
| Occupation | Foundry worker |
| Industry | Tractor factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 Robert King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chas King (~0.92 confidence) and father Chris King (~0.92 confidence) and father Arthur King (~0.92 confidence) and mother Canas King (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chas King
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Chris King
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Arthur King
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Canas King
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert King
Son · 1940 · age 23 · b. ~1917 · Illinois
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Sibling
Mary King
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arline King
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin King
Sibling · 1940 · age 28
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 — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00894-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosa Giebelhausen | 80 | mother | — | Illinois |
| 2 | Albert Babcock | 32 | Head | Machine Operator | Illinois |
| 3 | Alma Babcock | 30 | wife | — | Illinois |
| 4 | Jeannine Babcock | 5 | daughter | — | Illinois |
| 5 | John Babcock | 4 | son | — | Illinois |
| 6 | Judith Babcock | 2 | daughter | — | Illinois |
| 7 | Richard Millard | 63 | Head | Miner | Illinois |
| 8 | Anna Millard | 61 | wife | — | Scotland |
| 9 | Fred Miller | 42 | Head | Machine Operator | Illinois |
| 10 | Maude Miller | 33 | wife | — | Illinois |
| 11 | Stella Mae Miller | 8 | daughter | — | Illinois |
| 12 | Gloria Ann Miller | 7 | daughter | — | Illinois |
| 13 | Eugene Miller | 4 | son | — | Illinois |
| 14 | Emil Schmidt | 66 | Head | Laborer | Illinois |
| 15 | Hanna Schmidt | 64 | wife | — | Illinois |
| 16 | Christian Baumann | 33 | Head | Electrician | Germany |
| 17 | Minnie Baumann | 29 | wife | — | Illinois |
| 18 | Paul Baumann | 2 | son | — | Illinois |
| 19 | Adolph Diebelhausen | 47 | Head | Miner | Illinois |
| 20 | Gertrude Diebelhausen | 38 | wife | — | Illinois |
| 21 | Gerald Diebelhausen | 17 | son | — | Illinois |
| 22 | Alene Diebelhausen | 9 | daughter | — | Illinois |
| 23 | Elva Diebelhausen | 5 | daughter | — | Illinois |
| 24 | Bernice Schoedel | 15 | niece | — | Illinois |
| 25 | Arthur King | 53 | Head | — | Illinois |
| 26 | Melvin King | 28 | son | Carpenter | Illinois |
| 27 | Robert R. King THIS PERSON | 23 | son | Foundry Worker | Illinois |
| 28 | Mary E. King | 20 | daughter | — | Illinois |
| 29 | Arline Ruth King | 16 | daughter | — | Illinois |
| 30 | Frank Howery | 75 | Head | — | Illinois |
| 31 | Hanna Howery | 75 | wife | — | Illinois |
| 32 | Theodore Hicar | 31 | Head | Tool Maker | Wisconsin |
| 33 | Charlotte Hicar | 26 | wife | — | Iowa |
| 34 | Sally Hicar | 4 | daughter | — | Iowa |
| 35 | Theodore Jr. Hicar | 2 | son | — | Illinois |
| 36 | George Hauser | 54 | Head | Plant Man | Illinois |
| 37 | Cloudisia Hauser | 49 | wife | — | Illinois |
| 38 | Harrison Hauser | 24 | son | Repairman | Illinois |
| 39 | Arthur Mccaver | 30 | Head | Branch Manager | Illinois |
| 40 | Lois Mccaver | 28 | wife | — | Illinois |
Pedigree Summary
Robert + 3 siblings
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)