RC
Richard Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this Richard Cook across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Amer & Amos — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Morton Twp |
| 1935 Residence (County) | Tazewell |
| Additional Details | |
| Occupation | custom machine work |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Custom Machine Work |
| Township / Ward | Morton Twp |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Marvin Cook | Son | — | 16 | ~1924 |
| Beulah Cook | Spouse | — | 44 | ~1896 |
| Floyd Cook | Son | — | 23 | ~1917 |
| Richard Cook | Son | — | 21 | ~1919 |
| Amos Cook | Head | — | 46 | ~1894 |
Census Appearances
1920
Tazewell, Illinois
Son, age 1
Tazewell, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 11
Tazewell, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 21
Tazewell-County, Illinois · implied b. ~1919 — 5 household members
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Morton Twp |
| 1935 Residence (County) | Tazewell |
| Occupation | custom machine work |
| Industry | farm |
| Class of Worker | NP |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Richard Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Amer Cook (~0.92 confidence) and father Amos Cook (~0.92 confidence) and father Amos Cook (~0.92 confidence) and mother Beulah Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Amer Cook
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Amos Cook
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Amos Cook
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Beulah Cook
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Cook
Son · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Floyd Cook
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Cook
Sibling · 1940 · age 16
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-t0627-00895-00071)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Burroughs | 11 | son | — | Illinois |
| 2 | Dale Burroughs | 8 | son | — | Illinois |
| 3 | Dean Burroughs | 3 | son | — | Illinois |
| 4 | George E. Schmitt | 34 | head | Farmer | Illinois |
| 5 | Genevieve Schmitt | 30 | wife | — | Illinois |
| 6 | Duane Schmitt | 7 | son | — | Illinois |
| 7 | Donald Schmitt | 3 | son | — | Illinois |
| 8 | Val G. Behends | 51 | head | Farmer | Illinois |
| 9 | Bessie Behends | 51 | wife | — | Illinois |
| 10 | Basil E. Bell | 30 | head | Farmer | Missouri |
| 11 | Corinne D. Bell | 27 | wife | — | Missouri |
| 12 | Daniel Eugene Bell | 2 | son | — | Missouri |
| 13 | Emil Manold | 20 | hired man | Farm Laborer | Illinois |
| 14 | George C. Rutherford | 28 | lodger | Carpenter | Illinois |
| 15 | Elwood A. Rutherford | 20 | lodger | Carpenter | Illinois |
| 16 | Amos W. Cook | 46 | head | Custom Machine Work | Illinois |
| 17 | Beulah Cook | 44 | wife | — | Illinois |
| 18 | Floyd Cook | 23 | son | Custom Machine Work | Illinois |
| 19 | Richard Cook THIS PERSON | 21 | son | Custom Machine Work | Illinois |
| 20 | Marvin Cook | 16 | son | — | Illinois |
| 21 | Edward S. Staker | 42 | head | Farmer | Illinois |
| 22 | Kathryn Staker | 43 | wife | — | Illinois |
| 23 | Delmas E. Staker | 16 | son | — | Illinois |
| 24 | Verla L. Staker | 10 | daughter | — | Illinois |
| 25 | Willie H. Griffin | 48 | head | Farmer | Indiana |
| 26 | Fannie Griffin | 48 | wife | — | Illinois |
| 27 | Richard Griffin | 24 | son | Mechanic | Illinois |
| 28 | Robert Griffin | 16 | son | Farm Laborer | Illinois |
| 29 | Willis Griffin | 14 | son | — | Illinois |
| 30 | Milton D. Rich | 45 | head | Farmer | Illinois |
| 31 | Viola Rich | 45 | wife | — | Illinois |
| 32 | Wanda Rich | 16 | daughter | — | Illinois |
| 33 | Laurel Rich | 8 | daughter | — | Illinois |
| 34 | Otto A. Schmidtgall | 56 | head | Farmer | Illinois |
| 35 | Lydia Schmidtgall | 50 | wife | — | Illinois |
| 36 | Edward Schmidtgall | 22 | son | Farm Laborer | Illinois |
| 37 | Harold Schmidtgall | 20 | son | Farm Laborer | Illinois |
| 38 | Marvin Schmidtgall | 13 | son | — | Illinois |
| 39 | John F. Schick | 45 | head | Farmer | Illinois |
| 40 | Elizabeth Schick | 42 | wife | — | Illinois |
Pedigree Summary
Richard + 2 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)