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Frank Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this Frank Cook across the 1910, 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.
Age 80
b. ~1860
Male
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Cook |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Geneseo city |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Geneseo City |
| Est. Birth Year | ~1860 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Edith Hayes | Daughter | — | 45 | ~1895 |
| Frank Cook | Head | — | 80 | ~1860 |
| John Hayes | Other | — | 45 | ~1895 |
Census Appearances
1910
Henry, Illinois
Head, age 50
Henry, Illinois · implied b. ~1860 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Retail Merchant |
| Industry | Dry Goods |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Henry, Illinois
Head, age 60
Henry, Illinois · implied b. ~1860 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Retail Merchant |
| Industry | Dry Goods |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Head, age 70
Henry, Illinois · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Manager |
| Industry | Department Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Head, age 80
Henry-County, Illinois · implied b. ~1860 — 3 household members
| Surname | Cook |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 80 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Geneseo city |
| 1935 Residence (County) | Henry |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C-4 |
| 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 Frank Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Cook
Head · 1940 · age 80 · b. ~1860 · 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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00811-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Nordholm | 71 | Head | — | Sweden |
| 2 | Josephine Nordholm | 71 | Wife | — | Illinois |
| 3 | Sadie Kleman | 44 | Head | Saleslady | Illinois |
| 4 | Elon Kleman | 12 | Son | — | Illinois |
| 5 | Marvin Kleman | 10 | Son | — | Illinois |
| 6 | Carl D. Winegardner | 33 | Head | Weighmaster | Ohio |
| 7 | Marjorie Winegardner | 31 | Wife | — | Illinois |
| 8 | James Winegardner | 8 | Son | — | Illinois |
| 9 | John Winegardner | 5 | Son | — | Illinois |
| 10 | Harold Hernandez | 37 | Head | Shovel Operator | Illinois |
| 11 | Mildred Hernandez | 31 | Wife | — | Illinois |
| 12 | Walter Bolte | 41 | Head | State Police | Illinois |
| 13 | Helen Bolte | 39 | Wife | — | Illinois |
| 14 | Walter F. Bolte | 15 | Son | Delivery Boy | Illinois |
| 15 | Norma Jean Bolte | 14 | Daughter | — | Illinois |
| 16 | Carol Bolte | 8 | Daughter | — | Illinois |
| 17 | Dorothy Bolte | 5 | Daughter | — | Illinois |
| 18 | Frank A. Cook THIS PERSON | 80 | Head | — | Illinois |
| 19 | John E. Hayes | 45 | Son-in-law | — | New York |
| 20 | Edith Hayes | 45 | Daughter | — | Illinois |
| 21 | Wilford Pearson | 51 | Head | Active Vice President | South Dakota |
| 22 | Eli Pearson | 47 | Wife | — | Wisconsin |
| 23 | Charlaine Pearson | 5 | Daughter | — | Illinois |
| 24 | Katharine Dusinger | 48 | Head | Librarian | Chicago |
| 25 | David William Dusinger | 17 | Son | — | Illinois |
| 26 | George Prosier | 60 | Head | Janitor | Illinois |
| 27 | Maude Prosier | 54 | Wife | — | Illinois |
| 28 | Keith Prosier | 30 | Son | Punch Press Operator | Illinois |
| 29 | Irma Prosier | 24 | Daughter | General Helper | Minnesota |
| 30 | Fred Prosier | 75 | Brother | — | Illinois |
| 31 | Harrison Snodgrass | 37 | Head | Land Appraiser | Illinois |
| 32 | Miriam Snodgrass | 34 | Wife | — | Illinois |
| 33 | Barbara Snodgrass | 5 | Daughter | — | Illinois |
| 34 | Susie Boxer | 64 | Head | — | Illinois |
| 35 | Katherine Davis | 77 | Head | — | Illinois |
| 36 | Wesley Farrel | 74 | Head | — | Illinois |
| 37 | Hattie Farrel | 77 | Wife | — | Illinois |
| 38 | John Greenwood | 63 | Head | Cashier | Illinois |
| 39 | Iline Greenwood | 61 | Wife | — | Montana |
| 40 | John Greenwood | 21 | Son | 50 | 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)