RC
Richard Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Menard-County, Illinois
Our Model Tree links this Richard Cook across the 1920, 1930 and 1940 US Censuses in Menard-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Germany
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Menard-County, Illinois |
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Petersburg |
| 1935 Residence (County) | Menard |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Manger |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Manger |
| Township / Ward | Atterberry Precinct |
| Est. Birth Year | ~1881 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Franklin Cook | Son | — | 23 | ~1917 |
| Hardrick Cook | Son | — | 21 | ~1919 |
| Richard Cook | Head | — | 59 | ~1881 |
Census Appearances
1920
Menard, Illinois
Head, age 37
Menard, Illinois · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Richard H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | M |
| Home Free/Mortgaged | M |
| Birth Country | Germany |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | germany |
1930
Menard, Illinois
Head, age 49
Menard, Illinois · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 33 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | farmer |
| Industry | Stock farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Veteran | no |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Menard-County, Illinois
Head, age 59
Menard-County, Illinois · implied b. ~1881 — 3 household members
| Surname | Cook |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Petersburg |
| 1935 Residence (County) | Menard |
| Naturalization Status | Naturalized |
| Occupation | Manger |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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.
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This person
Anchor record
Richard Cook
Head · 1940 · age 59 · b. ~1881 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Menard-County, Illinois
Open full size
1940 US Federal Census — Menard-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00857-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hermina Steer | 19 | Daughter | Manger | Illinois |
| 2 | Richard Cook THIS PERSON | 59 | Head | Manger | Germany |
| 3 | Hardrick Cook | 21 | Son | Labor | Illinois |
| 4 | Franklin Cook | 23 | Son | Labor | Illinois |
| 5 | Joe H Dauphens | 53 | Head | Farming | Illinois |
| 6 | Hermonie Dauphens | 79 | Mother | — | Illinois |
| 7 | Edna Dauphens | 38 | Sister | — | Illinois |
| 8 | Lewis Thomas | 36 | Head | Farming | Illinois |
| 9 | Lewis Jr Thomas | 14 | Son | — | Illinois |
| 10 | Fredrick Thomas | 12 | Son | — | Illinois |
| 11 | James Ross Thomas | 10 | Son | — | Illinois |
| 12 | Carla Jean Thomas | 9 | Daughter | — | Illinois |
| 13 | Verna Black | 43 | Servant | Housework | Illinois |
| 14 | William Black | 14 | Servant son | — | Illinois |
| 15 | Ray Justice | 38 | Head | Farming | Armington |
| 16 | Veldamae Justice | 33 | Wife | — | Illinois |
| 17 | Robert Justice | 15 | Son | — | Illinois |
| 18 | G Ray Justice | 13 | Son | — | Illinois |
| 19 | Mildred Justice | 12 | Daughter | — | Illinois |
| 20 | Mayone Justice | 9 | Daughter | — | Illinois |
| 21 | John Justice | 10 | Son | — | Illinois |
| 22 | Gerald Justice | 8 | Son | — | Illinois |
| 23 | Guy Justice | 6 | Son | — | Illinois |
| 24 | Wilbur Justice | 5 | Son | — | Illinois |
| 25 | Wanda Justice | 4 | Daughter | — | Illinois |
| 26 | Dona Justice | 3 | Daughter | — | Illinois |
| 27 | Harold Justice | 3 | Son | — | Illinois |
| 28 | Casper Cox | 49 | Head | Farmer | Tennessee |
| 29 | Velma Cox | 42 | Wife | — | Louisiana |
| 30 | Carl W Showalter | 45 | Head | Building Roads | Illinois |
| 31 | Grace Showalter | 32 | Wife | — | Illinois |
| 32 | Hollis Sinclair | 22 | Head | Labor | Kentucky |
| 33 | Lucile Sinclair | 19 | Wife | — | Kentucky |
| 34 | Hollis Sinclair | 1 | Son | — | Illinois |
| 35 | William Markert | 41 | Head | Farmer | Illinois |
| 36 | Alvina Markert | 33 | Wife | — | Illinois |
| 37 | Fred Markert | 5 | Son | — | Illinois |
| 38 | Violetta Markert | 4 | Daughter | — | Illinois |
| 39 | Henry Markert | 37 | Head | Farmer | Illinois |
| 40 | Altye Markert | 66 | Mother | — | Illinois |
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)