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James Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lynn-County, Texas
Our Model Tree links this James Cook across the 1920, 1930 and 1940 US Censuses in Lynn-County, Texas (XGBoost, ~Confirmed), with identified parents Obediah & Eugene — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lynn-County, Texas |
| Surname | Cook |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Justice Precinct 1 |
| 1935 Residence (County) | Lynn |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Farm Laborer |
| Township / Ward | Justice Precinct 1 |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Obadiah Cook | Head | — | 56 | ~1884 |
| James Cook | Son | — | 21 | ~1919 |
| Adrim Cook | Son | — | 26 | ~1914 |
| Eugene Cook | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Lynn, Texas
Son, age 1
Lynn, Texas · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Lynn, Texas
Son, age 11
Lynn, Texas · implied b. ~1919 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Lynn-County, Texas
Son, age 21
Lynn-County, Texas · implied b. ~1919 — 4 household members
| Surname | Cook |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Justice Precinct 1 |
| 1935 Residence (County) | Lynn |
| Occupation | Farm Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 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 James Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Obediah Cook (~0.92 confidence) and mother Eugene Cook (~0.92 confidence) and mother Eugenia Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Obediah Cook
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Eugene Cook
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Eugenia Cook
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Cook
Son · 1940 · age 21 · b. ~1919 · Texas
★ You are viewing this record
Sibling
Adrim Cook
Sibling · 1940 · age 26
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 — Lynn-County, Texas
Open full size
1940 US Federal Census — Lynn-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04098-00085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mack Jr. Mcculloch | 10 | Grandson | — | Texas |
| 42 | William M. Davis | 62 | Head | Farmer | Louisiana |
| 43 | Letha J. Davis | 58 | Wife | — | Texas |
| 44 | Finley C. Edwards | 58 | Head | Farmer | Alabama |
| 45 | Lillie B. Edwards | 56 | Wife | — | North Carolina |
| 46 | Loyd S. Edwards | 37 | Head | Auto Mechanic | Texas |
| 47 | Ethel D. Edwards | 34 | Wife | — | Texas |
| 48 | Erwert W. Edwards | 16 | Son | — | Texas |
| 49 | Margie B. Edwards | 9 | Daughter | — | Texas |
| 50 | Mozelle Edwards | 5 | Daughter | — | Texas |
| 51 | Leland D. Edwards | 2 | Son | — | Texas |
| 52 | William D. Fleming | 72 | Head | Farmer | North Carolina |
| 53 | Mamie Fleming | 61 | Wife | — | North Carolina |
| 54 | Lawrence E. Fleming | 36 | Head | Farmer | Oklahoma |
| 55 | Allie M. Fleming | 31 | Wife | — | Oklahoma |
| 56 | James E. Fleming | 13 | Son | — | Texas |
| 57 | Margie A. Fleming | 8 | Daughter | — | Oklahoma |
| 58 | Kenneth G. Fleming | 6 | Son | — | Oklahoma |
| 59 | Bertie L. Fleming | 3 | Daughter | — | Oklahoma |
| 60 | Leroy R. Baker | 27 | Head | School Bus Driver | Texas |
| 61 | Mary Q. Baker | 22 | Wife | — | Texas |
| 62 | Vivian Thompson | 21 | Lodger | Public School Teacher | Texas |
| 63 | John E. Thomas | 47 | Head | Farmer | Texas |
| 64 | Bessie M. Thomas | 34 | Wife | — | Texas |
| 65 | W. L. Thomas | 14 | Son | — | Texas |
| 66 | Virginia L. Thomas | 12 | Daughter | — | Texas |
| 67 | Oscar R. Thomas | 12 | Son | — | Texas |
| 68 | J. E. Thomas | 11 | Son | — | Texas |
| 69 | Frank P. Thomas | 9 | Son | — | Texas |
| 70 | Martha J. Thomas | 9 | Daughter | — | Texas |
| 71 | Hazel L. Thomas | 7 | Daughter | — | Texas |
| 72 | Veldon C. Thomas | 6 | Son | — | Texas |
| 73 | David T. Q. Reed | 21 | Head | Farm Laborer | Texas |
| 74 | Athleen V. Reed | 22 | Wife | — | Texas |
| 75 | Dunk W. Reed | 56 | Head | Farmer | Arkansas |
| 76 | Tommie L. Reed | 57 | Wife | — | Mississippi |
| 77 | Obadiah R. Cook | 56 | Head | Farmer | Georgia |
| 78 | Eugene Cook | 57 | Wife | — | Kentucky |
| 79 | Adrim O. Cook | 26 | Son | Farm Worker | Texas |
| 80 | James W. Cook THIS PERSON | 21 | Son | Farm Laborer | Texas |
Pedigree Summary
James + 1 sibling
Gen 1 · 3 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)