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Leonard Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Assumption-County, Louisiana
Our Model Tree links this Leonard Williams across the 1930 and 1940 US Censuses in Assumption-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Assumption-County, Louisiana |
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Assumption |
| Additional Details | |
| Hours Worked | 7 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Ward 9 |
| Est. Birth Year | ~1924 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Herman Williams | Son | — | 5 | ~1935 |
| Irma Williams | Daughter | — | 12 | ~1928 |
| Pearley Williams | Spouse | — | 39 | ~1901 |
| J Williams | Son | — | 9 | ~1931 |
| Clifton Williams | Son | — | 18 | ~1922 |
| Leonard Williams | Son | — | 16 | ~1924 |
| Lloyd Williams | Son | — | 6 | ~1934 |
| Josie Williams | Daughter | — | 14 | ~1926 |
| Louis Williams | Head | — | 42 | ~1898 |
| Clarence Williams | Son | — | 2 | ~1938 |
Census Appearances
1930
Assumption, Louisiana
Son, age 6
Assumption, Louisiana · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Assumption-County, Louisiana
Son, age 16
Assumption-County, Louisiana · implied b. ~1924 — 10 household members
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 9 |
| 1935 Residence (County) | Assumption |
| Hours Worked | 7 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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
Son · 1940 · age 16 · b. ~1924 · Louisiana
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Sibling
J Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Williams
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josie Williams
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Williams
Sibling · 1940 · age 6
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 — Assumption-County, Louisiana
Open full size
1940 US Federal Census — Assumption-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01381-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Brother Mathews | None | M | Sugar Cane | — |
| 2 | Olivia Mathews | 13 | Sister | — | Louisiana |
| 3 | Clarence Vicknair | 22 | Head | Laborer | Louisiana |
| 4 | Ollie Vicknair | 27 | Wife | — | Louisiana |
| 5 | Delma Vicknair | 48 | Head | Laborer | Louisiana |
| 6 | Eulalie Vicknair | 52 | Wife | — | Louisiana |
| 7 | Chester Vicknair | 19 | Son | Laborer | Louisiana |
| 8 | Morris Vicknair | 14 | Son | Laborer | Louisiana |
| 9 | Willie Dugas | 39 | Head | Laborer | Louisiana |
| 10 | Elizabeth Dugas | 38 | Wife | — | Louisiana |
| 11 | Clora Dugas | 15 | Daughter | — | Louisiana |
| 12 | Clara Dugas | 13 | Daughter | — | Louisiana |
| 13 | Willie Jr. Dugas | 11 | Son | — | Louisiana |
| 14 | Edna Mae Dugas | 9 | Daughter | — | Louisiana |
| 15 | Herman Dugas | 7 | Son | — | Louisiana |
| 16 | Clifton Dugas | 4 | Son | — | Louisiana |
| 17 | Wilfred Dugas | 2 | Son | — | Louisiana |
| 18 | Ivy Mae Dugas | 0 | Daughter | — | Louisiana |
| 19 | Louis Williams | 42 | Head | Laborer | Louisiana |
| 20 | Pearley Williams | 39 | Wife | Laborer | Louisiana |
| 21 | Clifton Williams | 18 | Son | Laborer | Louisiana |
| 22 | Leonard Williams THIS PERSON | 16 | Son | — | Louisiana |
| 23 | Josie Mae Williams | 14 | Daughter | — | Louisiana |
| 24 | Irma Lee Williams | 12 | Daughter | — | Louisiana |
| 25 | J. C. Williams | 9 | Son | — | Louisiana |
| 26 | Lloyd Williams | 6 | Son | — | Louisiana |
| 27 | Herman Williams | 5 | Son | — | Louisiana |
| 28 | Clarence Williams | 2 | Son | — | Louisiana |
| 29 | Andrew Landry | 27 | Head | Laborer | Louisiana |
| 30 | Annie Landry | 32 | Wife | — | Louisiana |
| 31 | Anna Louise Landry | 12 | Daughter | — | Louisiana |
| 32 | Norman Landry | 8 | Son | — | Louisiana |
| 33 | Kenny Landry | 4 | Son | — | Louisiana |
| 34 | Betty Anne Landry | 2 | Daughter | — | Louisiana |
| 35 | Robert Sr. Leboeuf | 39 | Head | Laborer | Louisiana |
| 36 | Gertrude Leboeuf | 38 | Wife | Laborer | Louisiana |
| 37 | Robert Jr. Leboeuf | 11 | Son | — | Louisiana |
| 38 | Wilbert Leboeuf | 10 | Son | — | Louisiana |
| 39 | Merie Leboeuf | 8 | Daughter | — | Louisiana |
| 40 | Albert Landry | 29 | Head | Laborer | Louisiana |
Related Census Records
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)