MW
Mary Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leon-County, Florida
Our Model Tree links this Mary Williams across the 1920, 1930 and 1940 US Censuses in Leon-County, Florida (XGBoost, ~Confirmed), with identified parents Christine — first a daughter (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Female
Daughter
Born: Florida
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Leon-County, Florida |
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee City |
| 1935 Residence (County) | Leon |
| Additional Details | |
| Occupation | Laundress |
| Industry | Own home |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 510 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Laundress |
| Township / Ward | Tallahassee City |
| Est. Birth Year | ~1890 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Daughter | — | 50 | ~1890 |
| Christine Thurman | Head | — | 65 | ~1875 |
| Ethel Thurman | Other | — | 17 | ~1923 |
Census Appearances
1920
Leon, Florida
Spouse, age 31
Leon, Florida · implied b. ~1889 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Leon, Florida
Spouse, age 39
Leon, Florida · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 28 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laundress |
| Industry | At Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Leon-County, Florida
Daughter, age 50
Leon-County, Florida · implied b. ~1890 — 3 household members
| Surname | Williams |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Florida |
| 1935 Residence (City) | Tallahassee City |
| 1935 Residence (County) | Leon |
| Occupation | Laundress |
| Industry | Own home |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 510 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Mary Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Christine Thurman (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Christine Thurman
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Williams
Daughter · 1940 · age 50 · b. ~1890 · Florida
★ 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 — Leon-County, Florida
Open full size
1940 US Federal Census — Leon-County, Florida
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00597-00298)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Artie Weatherspoon | 29 | Head | Truck Driver | Florida |
| 2 | Eloise Weatherspoon | 24 | Wife | — | Florida |
| 3 | Gertrude Miller | 33 | Head | Maid | Georgia |
| 4 | William Hall | 21 | Lodger | Janitor | Florida |
| 5 | Mary Hall | 16 | Lodger | Cook | Florida |
| 6 | Annie Jones | 51 | Head | — | Alabama |
| 7 | Lubertha Jones | 49 | Wife | Saleswoman | Florida |
| 8 | Eunice Williams | 60 | Head | — | Florida |
| 9 | Mildred Williams | 22 | Daughter | — | Florida |
| 10 | Adolph Williams | 14 | Grandson | — | Florida |
| 11 | Arthur Garrett | 35 | Lodger | Waiter | Florida |
| 12 | Eva A. Garrett | 32 | Lodger | Cook | Florida |
| 13 | Robert Humans | 23 | Head | Laborer | Florida |
| 14 | Aletha Humans | 22 | Wife | Cook | Florida |
| 15 | Clifford Hall | 24 | Head | Cook | Florida |
| 16 | Blanch Hall | 32 | Wife | Cook | Florida |
| 17 | Walter Brown | 14 | Head | — | Florida |
| 18 | Ethel Brown | 12 | Daughter | — | Florida |
| 19 | Early Brown | 8 | Son | — | Florida |
| 20 | Bobbie Brown | 6 | Son | — | Florida |
| 21 | Benjamin Mcclary | 27 | Head | Janitor | Florida |
| 22 | Flossie Mcclary | 26 | Wife | Teacher | Florida |
| 23 | Emmie Harris | 24 | Head | Teacher | Florida |
| 24 | Monroe Harris | 28 | Brother | Janitor | Florida |
| 25 | Edward Sanford | 39 | Head | Laborer | Florida |
| 26 | Enara Sanford | 30 | Wife | Cook | Florida |
| 27 | William Sanford | 20 | Son | Porter | Florida |
| 28 | Bob Jackson | 50 | Head | Laborer | Florida |
| 29 | Zela Jackson | 15 | Wife | Cook | Florida |
| 30 | Lafayette Brown | 29 | Head | Truck Driver | Florida |
| 31 | Lessie M. Brown | 28 | Wife | — | Florida |
| 32 | Nero Leon | 52 | Head | Laborer | Florida |
| 33 | Elzaly Leon | 49 | Wife | Maid | Florida |
| 34 | Francis Jacob Leon | 14 | Son | — | Florida |
| 35 | Christine Thurman | 65 | Head | — | Florida |
| 36 | Mary Williams THIS PERSON | 50 | Daughter | Laundress | Florida |
| 37 | Ethel Thurman | 17 | Niece | — | Florida |
| 38 | Earnest Stephens | 25 | Head | Laborer | Florida |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 1 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)