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Leon Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this Leon Williams across the 1910, 1920, 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed), with identified parents Coleman & Georgiana — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: Vermont
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Williams |
| Given Name | Leon F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Mamaroneck |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1070 |
| Highest Grade | Hs 3 |
| 1935 Residence | New York |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Superintendent |
| Township / Ward | White Plains City |
| Est. Birth Year | ~1894 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leon | Age | Birth yr |
|---|---|---|---|---|
| Leon Williams | Son | — | 17 | ~1923 |
| Dorothea Williams | Spouse | — | 43 | ~1897 |
| Leon Williams | Head | — | 46 | ~1894 |
Census Appearances
1910
Westchester, New …
Son, age 16
Westchester, New York · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leon F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New York |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1920
New York, …
Head, age 26
New York, New York · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leon F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New York |
| Occupation | Agent |
| Industry | Books |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Westchester, New …
Head, age 35
Westchester, New York · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leon F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 22 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | New York |
| Occupation | Inspector |
| Industry | Sewer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | no |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Westchester-County, New …
Head, age 46
Westchester-County, New York · implied b. ~1894 — 3 household members
| Surname | Williams |
| Given Name | Leon F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Vermont |
| 1935 Residence (City) | Mamaroneck |
| 1935 Residence (County) | Westchester |
| Occupation | Superintendent |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1070 |
| Highest Grade | Hs 3 |
| 1935 Residence | New York |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Coleman Williams (~0.92 confidence) and mother Georgiana Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Coleman Williams
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Georgiana Williams
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leon Williams
Head · 1940 · age 46 · b. ~1894 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-02815-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore A Dissen | 50 | Head | Executive | New Jersey |
| 2 | Ethel Dissen | 45 | Wife | — | New York |
| 3 | Theodore Jr Dissen | 21 | Son | Clerk | New York |
| 4 | Betty Ann Dissen | 17 | Daughter | — | South Carolina |
| 5 | Mary A Murray | 29 | Servant | Housekeeper | South Carolina |
| 9 | James E Pennybacker | 62 | Head | Managing Director | West Virginia |
| 10 | Louise T Pennybacker | 40 | Wife | — | Georgia |
| 11 | Carrie Lou Pennybacker | 10 | Daughter | — | New York |
| 12 | Carrie N Pennybacker | 68 | Sister | — | Virginia |
| 13 | Marion Walsh | 27 | Servant | Houseworker | New York |
| 14 | Leon F Williams THIS PERSON | 46 | Head | Superintendent | Vermont |
| 15 | Dorothea W Williams | 43 | Wife | — | New York |
| 16 | Leon A Williams | 17 | Son | — | New York |
| 25 | Ernest B K Bowne | 53 | Head | Insurance Adjuster | New York |
| 26 | Elizabeth Bowne | 50 | Wife | — | New York |
| 27 | Ruth G Bowne | 20 | Daughter | — | New York |
| 28 | James W Livingston | 44 | Head | Salesman | Massachusetts |
| 29 | Anna O Livingston | 40 | Wife | — | Scotland |
| 30 | Ruth Livingston | 17 | Daughter | — | New York |
| 31 | Berenice Livingston | 15 | Daughter | — | New Jersey |
| 32 | Phyllis Livingston | 13 | Daughter | — | New Jersey |
| 33 | William Amos | 72 | Head | Minister | Scotland |
| 34 | Charlotte Amos | 39 | Daughter | — | Scotland |
| 35 | Matilda Killigan | 59 | Head | — | Norway |
| 36 | Helen Killigan | 31 | Daughter | Music Teacher | New York |
| 37 | Denby Wetmore | 63 | Head | Manager | New York |
| 38 | Lulu R Wetmore | 57 | Wife | — | New Jersey |
| 39 | Muriel Wetmore | 19 | Daughter | New Worker | New York |
| 40 | Margaret Krohn | 70 | Lodger | Beauty Parlor Operator | Wisconsin |
Pedigree Summary
Leon
Gen 1 · 2 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)