DC
David Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Kentucky
Our Model Tree links this David Cook across the 1930 and 1940 US Censuses in Shelby-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Kentucky |
| Surname | Cook |
| Given Name | David L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 4 |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 4 |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Ida Cook | Daughter | — | 18 | ~1922 |
| Charles Cook | Head | — | 61 | ~1879 |
| Nellie Cook | Spouse | — | 52 | ~1888 |
| Jessie Cook | Daughter | — | 21 | ~1919 |
| David Cook | Son | — | 12 | ~1928 |
| Charles Cook | Son | — | 23 | ~1917 |
| Waldine Cook | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Shelby, Kentucky
Other, age 2
Shelby, Kentucky · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | David L. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Shelby-County, Kentucky
Son, age 12
Shelby-County, Kentucky · implied b. ~1928 — 7 household members
| Surname | Cook |
| Given Name | David L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 4 |
| 1935 Residence (County) | Shelby |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 David Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Cook
Son · 1940 · age 12 · b. ~1928 · Kentucky
★ You are viewing this record
Sibling
Jessie Cook
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Waldine Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Cook
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cook
Sibling · 1940 · age 23
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 — Shelby-County, Kentucky
Open full size
1940 US Federal Census — Shelby-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01356-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles E Sr Cook | 61 | Head | Farmer | Kentucky |
| 42 | Nellie G Cook | 52 | Wife | — | Kentucky |
| 43 | Charles E Jr Cook | 23 | Son | Salesman | Kentucky |
| 44 | Jessie P Cook | 21 | Daughter | — | Kentucky |
| 45 | Ida L Cook | 18 | Daughter | — | Kentucky |
| 46 | Waldine Cook | 15 | Daughter | — | Kentucky |
| 47 | David L Cook THIS PERSON | 12 | Son | — | Kentucky |
| 48 | Robert H Green | 77 | Head | — | Kentucky |
| 49 | Alex A Green | 47 | Son | Officer | Kentucky |
| 50 | Edith A Green | 34 | Daughter | — | Kentucky |
| 51 | Paul W Green | 40 | Head | Farmer | Kentucky |
| 52 | Loranze O Green | 33 | Wife | — | Kentucky |
| 53 | Robert J Green | 9 | Son | — | Kentucky |
| 54 | Edward W Green | 2 | Son | — | Kentucky |
| 55 | Harvey Perkins | 64 | Head | Farmer | Kentucky |
| 56 | Celia Perkins | 50 | Wife | — | Kentucky |
| 57 | Francis Perkins | 17 | Daughter | — | Kentucky |
| 58 | Marie Perkins | 9 | Daughter | — | Kentucky |
| 59 | Herbert H Baker | 30 | Head | Farmer | Kentucky |
| 60 | Roslee Baker | 24 | Wife | — | Kentucky |
| 61 | Robert L Baker | 4 | Son | — | Kentucky |
| 62 | Vant Webber | 49 | Head | Farmer | Kentucky |
| 63 | Ruby J Webber | 41 | Wife | — | Kentucky |
| 64 | Luke Smith | 68 | Head | Farmer | Kentucky |
| 65 | Anne B Smith | 64 | Wife | — | Kentucky |
| 66 | Crystal M Rice | 17 | Maid | Maid | Kentucky |
| 67 | Clifford Saunders | 40 | Head | Supervisor | Kentucky |
| 68 | Nova Saunders | 40 | Wife | — | Kentucky |
| 69 | Harold V Saunders | 19 | Son | — | Kentucky |
| 70 | Juanita V Saunders | 17 | Daughter | — | Kentucky |
| 71 | William S Armstrong | 57 | Head | Farmer | Kentucky |
| 72 | Helen E Armstrong | 55 | Wife | — | Kentucky |
| 73 | Clyde O Armstrong | 17 | Son | — | Kentucky |
| 74 | A Nate Armstrong | 80 | Mother | — | Kentucky |
| 75 | Elmer Bolton | 46 | Head | Farmer | Kentucky |
| 76 | Jessie Bolton | 41 | Wife | — | Kentucky |
| 77 | Bettie J Bolton | 9 | Daughter | — | Kentucky |
| 78 | Alice B Pulliam | 65 | Mother-in-law | — | Kentucky |
| 79 | J Haskell Stucker | 18 | Foster Son | Farmer | Kentucky |
| 80 | Joe Green | 84 | Head | — | Kentucky |
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)