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Leon Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Le-Flore-County, Oklahoma
Our Model Tree links this Leon Williams across the 1930 and 1940 US Censuses in Le-Flore-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Le-Flore-County, Oklahoma |
| Surname | Williams |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Spiro township |
| 1935 Residence (County) | Le Flore |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 130 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Laborer |
| Township / Ward | Spiro Township |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leon | Age | Birth yr |
|---|---|---|---|---|
| Earl Williams | Son | — | 15 | ~1925 |
| Glendal Williams | Son | — | 6 | ~1934 |
| Deloris Williams | Daughter | — | 13 | ~1927 |
| Leona Williams | Spouse | — | 34 | ~1906 |
| Mary Williams | Daughter | — | 5 | ~1935 |
| Leon Williams | Son | — | 19 | ~1921 |
| Illine Williams | Daughter | — | 11 | ~1929 |
| Thomas Williams | Head | — | 44 | ~1896 |
| Mayfield Gray | Other | — | 64 | ~1876 |
| Doris Williams | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Le Flore, …
Son, age 8
Le Flore, Oklahoma · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Oklahoma |
| Can Read/Write | No |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Le-Flore-County, Oklahoma
Son, age 19
Le-Flore-County, Oklahoma · implied b. ~1921 — 10 household members
| Surname | Williams |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Spiro township |
| 1935 Residence (County) | Le Flore |
| Occupation | Laborer |
| Industry | Farm work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 130 |
| Highest Grade | No 2 |
| 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 Leon Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leon Williams
Son · 1940 · age 19 · b. ~1921 · Oklahoma
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Sibling
Doris Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glendal Williams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Illine Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deloris Williams
Sibling · 1940 · age 13
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 — Le-Flore-County, Oklahoma
Open full size
1940 US Federal Census — Le-Flore-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03305-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James O. Bobb | 24 | Head | Farmer | Arkansas |
| 2 | Jessie G. Bobb | 25 | Wife | — | Oklahoma |
| 3 | Kathleen J. Bobb | 8 | Daughter | — | Oklahoma |
| 4 | Dorathea M. Bobb | 4 | Daughter | — | Oklahoma |
| 5 | James R. Bobb | 1 | Son | — | Oklahoma |
| 6 | Daniel H. Williams | 26 | Head | Farmer | Arkansas |
| 7 | Leona J. Williams | 12 | Wife | — | Oklahoma |
| 8 | Willie Jones | 30 | Head | Laborer | Oklahoma |
| 9 | Marie Jones | 24 | Wife | — | Oklahoma |
| 10 | Wanda F. Jones | 6 | Daughter | — | Oklahoma |
| 11 | Robert L. Jones | 5 | Son | — | Oklahoma |
| 12 | Butha F. Jones | 3 | Daughter | — | Oklahoma |
| 13 | William J. Jones | 1 | Son | — | Oklahoma |
| 14 | Jess S. Epperson | 24 | Head | Farmer | Oklahoma |
| 15 | May Epperson | 20 | Wife | — | Oklahoma |
| 16 | Francis J. Epperson | 1 | Daughter | — | Oklahoma |
| 17 | Joe A. Scott | 24 | Head | Laborer | Oklahoma |
| 18 | Gracie L. Scott | 17 | Wife | — | Oklahoma |
| 19 | Thomas J. Williams | 44 | Head | Farmer | Arkansas |
| 20 | Leona Williams | 34 | Wife | — | Arkansas |
| 21 | Leon Williams THIS PERSON | 19 | Son | Laborer | Oklahoma |
| 22 | Earl W. Williams | 15 | Son | — | Oklahoma |
| 23 | Deloris Williams | 13 | Daughter | — | Oklahoma |
| 24 | Illine Williams | 11 | Daughter | — | Oklahoma |
| 25 | Doris F. Williams | 8 | Daughter | — | Oklahoma |
| 26 | Glendal Williams | 6 | Son | — | Oklahoma |
| 27 | Mary E. Williams | 5 | Daughter | — | Oklahoma |
| 28 | Mayfield F. Gray | 64 | Father-in-law | — | Tennessee |
| 29 | Cecil O. Davis | 24 | Head | Laborer | Oklahoma |
| 30 | Nadine Davis | 24 | Wife | — | Oklahoma |
| 31 | Jewel B. Davis | 5 | Daughter | — | Oklahoma |
| 32 | Tom Scott | 51 | Head | Farmer | Arkansas |
| 33 | Beatrice Harbinson | 31 | Lodger | — | Arkansas |
| 34 | Ethel Earls | 36 | Head | Laborer | Arkansas |
| 35 | Allie M. Earls | 24 | Wife | — | Oklahoma |
| 36 | Elmer L. Crumb | 42 | Head | Farmer | Arkansas |
| 37 | Edith C. Crumb | 42 | Wife | — | Missouri |
| 38 | Ida L. Crumb | 13 | Daughter | — | Oklahoma |
| 39 | Raymond E. Crumb | 10 | Son | — | Oklahoma |
| 40 | Billy L. Crumb | 4 | 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)