WC
William Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Atascosa-County, Texas
Our Model Tree links this William Cook across the 1920, 1930 and 1940 US Censuses in Atascosa-County, Texas (XGBoost, ~Confirmed), with identified parents Frank & J — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Atascosa-County, Texas |
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Pleasanton |
| 1935 Residence (County) | Atascosa |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Pleasanton |
| Est. Birth Year | ~1916 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Frank Cook | Head | — | 55 | ~1885 |
| William Cook | Son | — | 24 | ~1916 |
| Zella Cook | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Atascosa, Texas
Son, age 4
Atascosa, Texas · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Atascosa, Texas
Son, age 14
Atascosa, Texas · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Atascosa-County, Texas
Son, age 24
Atascosa-County, Texas · implied b. ~1916 — 3 household members
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Pleasanton |
| 1935 Residence (County) | Atascosa |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 William Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Cook (~0.92 confidence) and father J Cook (~0.92 confidence) and father Frank Cook (~0.92 confidence) and mother Zella Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Cook
b. ~1885
Source father
● Household
· direct · ~0.92
Father
J Cook
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Frank Cook
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Zella Cook
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Cook
Son · 1940 · age 24 · b. ~1916 · Texas
★ 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 — Atascosa-County, Texas
Open full size
1940 US Federal Census — Atascosa-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03979-00872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Victor Romero | 57 | Head | Laborer | Texas |
| 42 | Esperanza Romero | 36 | Wife | — | Texas |
| 43 | Marcus Romero | 19 | Son | Laborer | Texas |
| 44 | Bennie Romero | 18 | Daughter | — | Texas |
| 45 | Estelle Romero | 15 | Daughter | — | Texas |
| 46 | Delfina Romero | 10 | Daughter | — | Texas |
| 47 | Lloyde G. Vickers | 32 | Head | Printer | Texas |
| 48 | Cleola Vickers | 29 | Wife | Clerk | Texas |
| 49 | Alemitos Zapata | 42 | Head | Laborer | Texas |
| 50 | Maria Zapata | 48 | Wife | — | Texas |
| 51 | Petra Zapata | 20 | Daughter | — | Texas |
| 52 | Pete Zapata | 18 | Son | Laborer | Texas |
| 53 | Antonio Zapata | 15 | Son | Laborer | Texas |
| 54 | Simon Zapata | 14 | Son | Laborer | Texas |
| 55 | Anita Zapata | 12 | Daughter | — | Texas |
| 56 | Demetrio Zapata | 11 | Son | — | Texas |
| 57 | Severiano Zapata | 10 | Son | — | Texas |
| 58 | Jose Zapata | 9 | Son | — | Texas |
| 59 | Gregorio Zapata | 21 | Son | Laborer | Texas |
| 60 | Florencia Zapata | 16 | Daughter-in-law | — | Texas |
| 61 | Frank Cook | 55 | Head | Milkman | Texas |
| 62 | Zella Cook | 56 | Wife | Postmaster | Texas |
| 63 | William Cook THIS PERSON | 24 | Son | — | Texas |
| 64 | Morgan M. Stanley | 69 | Head | Stockman | Texas |
| 65 | Ida Stanley | 68 | Wife | — | Texas |
| 66 | W. Ray Conner | 43 | Head | Manager | Texas |
| 67 | Lela Conner | 43 | Wife | — | Texas |
| 68 | William Conner | 17 | Son | — | Texas |
| 69 | George Conner | 15 | Son | — | Texas |
| 70 | Doris Jean Conner | 9 | Daughter | — | Texas |
| 71 | Valde D. Franks | 49 | Brother | Laborer | Texas |
| 72 | Jim E. Lyons | 78 | Head | Tax Assessor | Texas |
| 73 | Virginia Lyons | 74 | Wife | — | Texas |
| 74 | Andres Martinez | 28 | Head | Laborer | Texas |
| 75 | Estrella Martinez | 23 | Wife | — | Texas |
| 76 | Estelle Martinez | 4 | Daughter | — | Texas |
| 77 | Willie Armijo | 24 | Head | Laborer | Texas |
| 78 | Clotilda Armijo | 19 | Wife | — | Texas |
| 79 | Maria Armijo | 3 | Daughter | — | Texas |
| 80 | Georgina Armijo | 1 | Daughter | — | Texas |
Pedigree Summary
William
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)