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Leonard Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Leonard Williams across the 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 9-person household.
Age 54
b. ~1886
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Williams |
| Given Name | Leonard C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Occupation | 52 |
| Industry | Oil Field Worker |
| Class of Worker | Oil Ind |
| Highest Grade | No 4 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | 52 |
| Township / Ward | Oklahoma |
| Est. Birth Year | ~1886 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Claudia Williams | Spouse | — | 47 | ~1893 |
| Leonard Williams | Head | — | 54 | ~1886 |
| Frankie Williams | Son | — | 10 | ~1930 |
| Ruby Williams | Daughter | — | 4 | ~1936 |
| Harold Williams | Son | — | 8 | ~1932 |
| Estella Williams | Daughter | — | 14 | ~1926 |
| Arvil Williams | Son | — | 21 | ~1919 |
| Lavonna Williams | Daughter | — | 16 | ~1924 |
| Geneva Williams | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Oklahoma, Oklahoma
Head, age 44
Oklahoma, Oklahoma · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leonard C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 24 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Laborer |
| Industry | Oil Fields |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Oklahoma-County, Oklahoma
Head, age 54
Oklahoma-County, Oklahoma · implied b. ~1886 — 9 household members
| Surname | Williams |
| Given Name | Leonard C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (County) | Oklahoma |
| Occupation | 52 |
| Industry | Oil Field Worker |
| Class of Worker | Oil Ind |
| Highest Grade | No 4 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Leonard Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Williams
Head · 1940 · age 54 · b. ~1886 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03344-00969)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Jay | 0 | Daughter | — | Oklahoma |
| 42 | Robinett Hope | 18 | Sister-in-law | 6 | Missouri |
| 43 | Weber D. Frank | 42 | Head | 48 | Ohio |
| 44 | Nancy L. Frank | 28 | Wife | — | Ohio |
| 45 | Craft L. Frank | 6 | Son | — | Ohio |
| 46 | Samuel C. Jackson | 37 | Head | 40 | Oklahoma |
| 47 | Eva L. Jackson | 34 | Wife | — | Oklahoma |
| 48 | Velma D. Jackson | 9 | Daughter | — | Oklahoma |
| 49 | Ellen R. Jackson | 7 | Daughter | — | Oklahoma |
| 50 | Lorene Jackson | 4 | Daughter | — | Oklahoma |
| 51 | Jameson Ruby | 28 | Sister | — | Oklahoma |
| 52 | Willa Bryan | 43 | Head | 40 | Kansas |
| 53 | Mae B. Bryan | 44 | Wife | — | Kansas |
| 54 | John W. Bryan | 19 | Son | 40 | Kansas |
| 55 | Marguerite L. Bryan | 12 | Daughter | — | Kansas |
| 56 | Bettie I. Bryan | 6 | Daughter | — | Kansas |
| 57 | Leonard J. Cox | 35 | Head | 54 | Arkansas |
| 58 | Opal V. Cox | 32 | Wife | — | Arkansas |
| 59 | Billie R. Cox | 14 | Son | — | Missouri |
| 60 | Geraldine V. Cox | 12 | Daughter | 40 | Arkansas |
| 61 | Leroy Gentry | 30 | Head | — | Oklahoma |
| 62 | Elsie Gentry | 28 | Wife | — | Oklahoma |
| 63 | Lon C. Byars | 34 | Head | 40 | Oklahoma |
| 64 | Lucille Byars | 24 | Wife | — | Oklahoma |
| 65 | William J. Guy | 33 | Brother | 10 | Oklahoma |
| 66 | Charles C. Guy | 34 | Head | 20 | Oklahoma |
| 67 | J. L. Guy | 62 | Father | — | Texas |
| 68 | Leonard C. Williams THIS PERSON | 54 | Head | 52 | Missouri |
| 69 | Claudia Williams | 47 | Wife | — | Oklahoma |
| 70 | Arvil Williams | 21 | Son | 40 | Oklahoma |
| 71 | Lavonna Williams | 16 | Daughter | — | Oklahoma |
| 72 | Estella Williams | 14 | Daughter | — | Oklahoma |
| 73 | Geneva Williams | 12 | Daughter | — | Oklahoma |
| 74 | Frankie Williams | 10 | Son | — | Oklahoma |
| 75 | Harold Williams | 8 | Son | — | Oklahoma |
| 76 | Ruby J. Williams | 4 | Daughter | — | Oklahoma |
| 77 | Alton Plunk | 35 | Head | 40 | Arkansas |
| 78 | Agnes Plunk | 29 | Wife | — | Oklahoma |
| 79 | Billie J. Plunk | 9 | Daughter | — | Oklahoma |
| 80 | Margeritte Plunk | 5 | Daughter | — | 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)