JW
Jack Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Logan-County, Oklahoma
Our Model Tree links this Jack Williams across the 1930 and 1940 US Censuses in Logan-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Oklahoma |
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Oak View Township |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Student |
| Industry | Grade School |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Student |
| Township / Ward | Oak View Township |
| 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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Patricia Williams | Daughter | — | 2 | ~1938 |
| Donna Williams | Daughter | — | 16 | ~1924 |
| Nina Williams | Daughter | — | 14 | ~1926 |
| Merel Williams | Head | — | 40 | ~1900 |
| Jack Williams | Son | — | 12 | ~1928 |
| Leo Williams | Son | — | 18 | ~1922 |
| Juanita Williams | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Logan, Oklahoma
Son, age 2
Logan, Oklahoma · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Kansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Logan-County, Oklahoma
Son, age 12
Logan-County, Oklahoma · implied b. ~1928 — 7 household members
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Oak View Township |
| 1935 Residence (County) | Logan |
| Occupation | Student |
| Industry | Grade School |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Jack Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Williams
Son · 1940 · age 12 · b. ~1928 · Oklahoma
★ You are viewing this record
Sibling
Patricia Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nina Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Williams
Sibling · 1940 · age 18
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 — Logan-County, Oklahoma
Open full size
1940 US Federal Census — Logan-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03307-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herman Ficken | 44 | Head | Farming | Nebraska |
| 2 | Minnie Ficken | 39 | Wife | — | Illinois |
| 3 | Wayman Ficken | 5 | Son | — | Oklahoma |
| 4 | Clifford D. Rake | 26 | Head | Farming | Oklahoma |
| 5 | Opal Rake | 24 | Wife | — | Oklahoma |
| 6 | Doyle Wesley Rake | 2 | Son | — | Oklahoma |
| 7 | W. A. Amick | 79 | Head | Farming | Missouri |
| 8 | Mattie Davison | 52 | Daughter | — | Illinois |
| 9 | Merel Williams | 40 | Head | Farming | Oklahoma |
| 10 | Juanita Williams | 40 | Wife | — | Kansas |
| 11 | Leo Williams | 18 | Son | Student | Oklahoma |
| 12 | Donna Lou Williams | 16 | Daughter | Student | Oklahoma |
| 13 | Nina Jo Williams | 14 | Daughter | Student | Oklahoma |
| 14 | Jack Williams THIS PERSON | 12 | Son | Student | Oklahoma |
| 15 | Patricia Ann Williams | 2 | Daughter | — | Oklahoma |
| 16 | Lee Graybeal | 38 | Head | Farmer | Oklahoma |
| 17 | Mable Graybeal | 36 | Wife | — | Oklahoma |
| 18 | Georgene Graybeal | 18 | Daughter | Student | Oklahoma |
| 19 | Billy Lee Graybeal | 15 | Son | Student | Oklahoma |
| 20 | Harold Day Graybeal | 12 | Nephew | Student | Oklahoma |
| 21 | Orville Biggs | 32 | Head | Farming | Oklahoma |
| 22 | Marie Biggs | 27 | Wife | — | Oklahoma |
| 23 | Martha Ann Biggs | 8 | Daughter | Student | Oklahoma |
| 24 | John Biggs | 6 | Son | Student | Oklahoma |
| 25 | Ralph Biggs | 4 | Son | — | Oklahoma |
| 26 | Henry Linville | 44 | Head | Farming | Oklahoma |
| 27 | Rachel Linville | 31 | Wife | — | Oklahoma |
| 28 | Dwane Linville | 22 | Son | Laborer | Oklahoma |
| 29 | Israel Linville | 20 | Son | Laborer | Oklahoma |
| 30 | Franklyn Linville | 17 | Son | — | Oklahoma |
| 31 | Clem Rhea | 96 | Head | — | Missouri |
| 32 | Pearl Rhea | 37 | Daughter | Operator | Oklahoma |
| 33 | B. B. Jones | 40 | Head | Farming | Oklahoma |
| 34 | Eacho Jones | 31 | Wife | — | Michigan |
| 35 | Carol Jones | 5 | Daughter | — | Oklahoma |
| 36 | Jimmie Jones | 2 | Son | — | Oklahoma |
| 37 | Gene Davison | 60 | Head | Operator | Illinois |
| 38 | Lucy Davison | 45 | Wife | — | Texas |
| 39 | Leo Payne | 19 | Step-son | — | Oklahoma |
| 40 | Theo Payne | 16 | Step-son | — | Oklahoma |
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)