MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, Alabama
Our Model Tree links this Mary Washington across the 1920, 1930 and 1940 US Censuses in Sumter-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 11-person household.
Age 41
b. ~1899
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, Alabama |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 16 |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | Laundress |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 16 |
| Highest Grade | 2 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Laundress |
| Township / Ward | Beat 16 |
| Est. Birth Year | ~1899 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sallie Washington | Daughter | — | 14 | ~1926 |
| Lizzie Washington | Daughter | — | 10 | ~1930 |
| Annie Washington | Daughter | — | 8 | ~1932 |
| Mary Washington | Daughter | — | 4 | ~1936 |
| Maggie Washington | Daughter | — | 18 | ~1922 |
| Carrie Washington | Daughter | — | 20 | ~1920 |
| Simon Washington | Head | — | 48 | ~1892 |
| Kid Washington | Son | — | 6 | ~1934 |
| R Washington | Son | — | 16 | ~1924 |
| Simon Washington | Son | — | 12 | ~1928 |
| Mary Washington | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Sumter, Alabama
Spouse, age 21
Sumter, Alabama · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Sumter, Alabama
Spouse, age 33
Sumter, Alabama · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Sumter-County, Alabama
Spouse, age 41
Sumter-County, Alabama · implied b. ~1899 — 11 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 16 |
| 1935 Residence (County) | Sumter |
| Occupation | Laundress |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 16 |
| Highest Grade | 2 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Washington across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Washington
Spouse · 1940 · age 41 · b. ~1899 · Alabama
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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 — Sumter-County, Alabama
Open full size
1940 US Federal Census — Sumter-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00080-00629)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Simon Washington | 48 | Head | Farmer | Alabama |
| 2 | Mary Washington THIS PERSON | 41 | Wife | Laundress | Alabama |
| 3 | Carrie Washington | 20 | Daughter | Cook | Alabama |
| 4 | Maggie Washington | 18 | Daughter | — | Alabama |
| 5 | R. J. Washington | 16 | Son | — | Alabama |
| 6 | Sallie Mae Washington | 14 | Daughter | — | Alabama |
| 7 | Simon Jr. Washington | 12 | Son | — | Alabama |
| 8 | Lizzie Washington | 10 | Daughter | — | Alabama |
| 9 | Annie Lee Washington | 8 | Daughter | — | Alabama |
| 10 | Kid Washington | 6 | Son | — | Alabama |
| 11 | Mary Verline Washington | 4 | Daughter | — | Alabama |
| 12 | Grant Hines | 67 | Head | Farmer | Alabama |
| 13 | Mary Hines | 57 | Wife | — | Alabama |
| 14 | Baby Hines | 16 | Daughter | — | Alabama |
| 15 | Minas Bee Hines | 6 | G-Son | — | Alabama |
| 16 | Frank Boyd | 35 | Head | Foreman | Alabama |
| 17 | Glennie Boyd | 28 | Wife | — | Alabama |
| 18 | Frank Jr. Boyd | 2 | Son | — | Alabama |
| 19 | Joe Mestern | Western | 55 | Head | Farmer | Alabama |
| 20 | Maria Mestern | Western | 48 | Wife | — | Alabama |
| 21 | Jim Mestern | Western | 14 | Son | — | Alabama |
| 22 | Rosa Mestern | Western | 19 | Daughter | Maid | Alabama |
| 23 | Henry Mestern | Western | 8 | G-Son | — | Alabama |
| 24 | James Birdie B. Mestern | Western | 0 | G-Daughter | — | Alabama |
| 25 | Ben Williams | 57 | Head | Laborer | Alabama |
| 26 | Lindy Williams | 38 | Wife | — | Alabama |
| 27 | Rosa Lee Williams | 7 | Daughter | — | Alabama |
| 28 | Brady Williams | 5 | Son | — | Alabama |
| 29 | Robert Winston | 50 | Head | Farmer | Alabama |
| 30 | Francis Winston | 45 | Wife | — | Alabama |
| 31 | Ida Scott | 50 | Head | Farmer | Alabama |
| 32 | Ora Lee Scott | 17 | Step Daughter | — | Alabama |
| 33 | Robert Erle Scott | 10 | Step Son | — | Alabama |
| 34 | Birdie B. Scott | 8 | Step Daughter | — | Alabama |
| 35 | Sam Liffitt | Lippitt | 27 | Step Brother | Laborer | Alabama |
| 36 | Mason Williams | 42 | Head | Farmer | Alabama |
| 37 | Lucy Williams | 38 | Wife | — | Alabama |
| 38 | Charlie Williams | 19 | Son | — | Alabama |
| 39 | Robert Williams | 17 | Son | — | Alabama |
| 40 | Delia Williams | 14 | Daughter | — | Alabama |
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)