MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Darlington-County, South Carolina
Our Model Tree links this Mary Washington across the 1930 and 1940 US Censuses in Darlington-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darlington-County, South Carolina |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Darlington |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Darlington School District Number 2 |
| Est. Birth Year | ~1928 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Washington | Daughter | — | 12 | ~1928 |
| Alfreda Washington | Daughter | — | 2 | ~1938 |
| Mary Washington | Daughter | — | 12 | ~1928 |
| Herbert Washington | Head | — | 50 | ~1890 |
| Jake Washington | Son | — | 5 | ~1935 |
| Jesse Washington | Son | — | 16 | ~1924 |
| George Washington | Son | — | 22 | ~1918 |
| Barber Washington | Son | — | 8 | ~1932 |
| Cornwell Washington | Son | — | 20 | ~1920 |
| Lillie Washington | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Florence, South …
Daughter, age 2
Florence, South Carolina · implied b. ~1928 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Darlington-County, South …
Daughter, age 12
Darlington-County, South Carolina · implied b. ~1928 — 10 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Darlington |
| Highest Grade | No 6 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Washington
Daughter · 1940 · age 12 · b. ~1928 · South Carolina
★ You are viewing this record
Sibling
Jake Washington
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Washington
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Washington
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Washington
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfreda Washington
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barber Washington
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornwell Washington
Sibling · 1940 · age 20
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 — Darlington-County, South Carolina
Open full size
1940 US Federal Census — Darlington-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03802-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorthy Vaughn | 3 | Daughter | — | South Carolina |
| 2 | James M Vaughn | 1 | Son | — | South Carolina |
| 3 | Beulah Brown | 20 | Sister | — | South Carolina |
| 4 | Elizabeth Brown | 4 | Daughter | — | South Carolina |
| 5 | Rachel Brown | 1 | Daughter | — | South Carolina |
| 6 | Neal William | 55 | Head | Farming | South Carolina |
| 7 | Alexia William | 49 | Wife | — | South Carolina |
| 8 | Maddie William | 17 | Daughter | — | South Carolina |
| 9 | Neal Jr William | 15 | Son | — | South Carolina |
| 10 | Magnolia William | 11 | Daughter | — | South Carolina |
| 11 | Lurline William | 10 | Daughter | — | South Carolina |
| 12 | Wacker Holmes | 75 | Lodger | — | South Carolina |
| 13 | Herbert Washington | 50 | Head | Farming | South Carolina |
| 14 | Lillie Washington | 43 | Wife | — | South Carolina |
| 15 | George Washington | 22 | Son | Cotton Mill | South Carolina |
| 16 | Cornwell Washington | 20 | Son | — | South Carolina |
| 17 | Jesse E Washington | 16 | Son | — | South Carolina |
| 18 | Martha Washington | 12 | Daughter | — | South Carolina |
| 19 | Mary Washington THIS PERSON | 12 | Daughter | — | South Carolina |
| 20 | Barber J Washington | 8 | Son | — | South Carolina |
| 21 | Jake J Washington | 5 | Son | — | South Carolina |
| 22 | Alfreda Washington | 2 | Daughter | — | South Carolina |
| 23 | Asmo Wright | 74 | Head | Farming | South Carolina |
| 24 | Daisy Wright | 70 | Wife | — | South Carolina |
| 25 | John Green | 56 | Head | Farming | South Carolina |
| 26 | Corrie Green | 55 | Wife | — | South Carolina |
| 27 | Sylvester Green | 25 | Son | Farming | South Carolina |
| 28 | Florence Green | 20 | Daughter | — | South Carolina |
| 29 | Viola Green | 15 | Daughter | — | South Carolina |
| 30 | Polina Green | 12 | Son | Farming | South Carolina |
| 31 | Carrie Green | 6 | Daughter | — | South Carolina |
| 32 | Golden Mchalloway | 54 | Head | Farming | South Carolina |
| 33 | Julia Mchalloway | 24 | Wife | — | South Carolina |
| 34 | James Mchalloway | 24 | Son | Farming | South Carolina |
| 35 | Willie Mchalloway | 22 | Son | Barber Shop | South Carolina |
| 36 | Ellen Mchalloway | 75 | Mother | — | South Carolina |
| 37 | James Mchalloway | 18 | Son-in-law | — | South Carolina |
| 38 | Clarence Capers | 43 | Head | Farming | South Carolina |
| 39 | Ethel Capers | 39 | Wife | — | South Carolina |
| 40 | Willie Lou Capers | 18 | Daughter | Farming | South Carolina |
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)