MW
Mary Washington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Mary Washington across the 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 8-person household.
Age 42
b. ~1898
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Christ Church Parish |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 224 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Christ Church Parish |
| Est. Birth Year | ~1898 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Beulah Washington | Daughter | — | 9 | ~1931 |
| Mabel Washington | Daughter | — | 19 | ~1921 |
| Rebecca Washington | Daughter | — | 9 | ~1931 |
| Julius Washington | Head | — | 43 | ~1897 |
| Joseph Washington | Son | — | 7 | ~1933 |
| Leroy Washington | Son | — | 21 | ~1919 |
| Isaac Washington | Son | — | 13 | ~1927 |
| Mary Washington | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Charleston, South …
Spouse, age 20
Charleston, South Carolina · implied b. ~1900 — 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 | 20 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Spouse, age 32
Charleston, South Carolina · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 20 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Spouse, age 42
Charleston-County, South Carolina · implied b. ~1898 — 8 household members
| Surname | Washington |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Christ Church Parish |
| 1935 Residence (County) | Charleston |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 224 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Washington
Spouse · 1940 · age 42 · b. ~1898 · South Carolina
★ 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 — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03795-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elijah Brown | 13 | Grandson | — | South Carolina |
| 2 | Mary Richardson | 12 | Granddaughter | — | South Carolina |
| 3 | Clarence Robinson | 7 | Grandson | — | South Carolina |
| 4 | Edward Robinson | 6 | Grandson | — | South Carolina |
| 5 | William Haverstraw | 1 | Grandson | — | South Carolina |
| 6 | Mattie Jenkins | 29 | Daughter | Homework | South Carolina |
| 7 | Julius Washington | 43 | Head | Laborer | South Carolina |
| 8 | Mary Washington THIS PERSON | 42 | Wife | Laborer | South Carolina |
| 9 | Leroy Washington | 21 | Son | Laborer | South Carolina |
| 10 | Mabel Washington | 19 | Daughter | Laborer | South Carolina |
| 11 | Isaac Washington | 13 | Son | — | South Carolina |
| 12 | Rebecca Washington | 9 | Daughter | — | South Carolina |
| 13 | Beulah Washington | 9 | Daughter | — | South Carolina |
| 14 | Joseph Washington | 7 | Son | — | South Carolina |
| 15 | Elijah Fraser | 66 | Head | Washwoman | South Carolina |
| 16 | Evelina Bunbury | 25 | Daughter | Laborer | South Carolina |
| 17 | James Bunbury | 8 | Grandson | — | South Carolina |
| 18 | John Bunbury | 7 | Grandson | — | South Carolina |
| 19 | Francis Bunbury | 4 | Grandson | — | South Carolina |
| 20 | Isadora Bunbury | 1 | Daughter | — | South Carolina |
| 21 | William White | 83 | Head | — | South Carolina |
| 22 | Ella White | 56 | Wife | — | South Carolina |
| 23 | Benjamin Watson | 14 | Nephew | Laborer | South Carolina |
| 24 | William Green | 13 | Nephew | — | South Carolina |
| 25 | Betty Anne Green | 11 | Niece | — | South Carolina |
| 26 | H. T. Foster | 71 | Head | Farmer | South Carolina |
| 27 | Louis Brown | 43 | Head | Laborer | South Carolina |
| 28 | Sally Brown | 36 | Wife | — | South Carolina |
| 29 | Mary Brown | 18 | Daughter | New Worker | South Carolina |
| 30 | Clarence Brown | 16 | Son | New Worker | South Carolina |
| 31 | Henry Brown | 5 | Son | — | South Carolina |
| 32 | Florence Brown | 3 | Daughter | — | South Carolina |
| 33 | Charlotte Brown | 2 | Daughter | — | South Carolina |
| 34 | Eva Brown | 1 | Daughter | — | South Carolina |
| 35 | Fred Coaxum | 33 | Head | Laborer | South Carolina |
| 36 | Florence Coaxum | 28 | Wife | Laborer | South Carolina |
| 37 | Louis Green | 15 | Nephew | — | South Carolina |
| 38 | Sarah Smalls | 74 | Head | — | South Carolina |
| 39 | Sadie Gibbs | 21 | Daughter | Homework | South Carolina |
| 40 | David Gibbs | 6 | Grandson | — | 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)