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Martha Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dorchester-County, South Carolina
Our Model Tree links this Martha Williams across the 1930 and 1940 US Censuses in Dorchester-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, South Carolina |
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Carnes |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Carnes |
| Est. Birth Year | ~1926 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Mildred Williams | Daughter | — | 1 | ~1939 |
| Ida Williams | Daughter | — | 11 | ~1929 |
| Louise Williams | Daughter | — | 3 | ~1937 |
| Martha Williams | Daughter | — | 14 | ~1926 |
| Pearl Williams | Head | — | 38 | ~1902 |
| Joseph Williams | Son | — | 7 | ~1933 |
| Jasper Williams | Son | — | 5 | ~1935 |
| Freddie Williams | Son | — | 16 | ~1924 |
| Earl Williams | Son | — | 9 | ~1931 |
| Val Williams | Spouse | — | 36 | ~1904 |
Census Appearances
1930
Dorchester, South …
Daughter, age 4
Dorchester, South Carolina · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| 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
Dorchester-County, South …
Daughter, age 14
Dorchester-County, South Carolina · implied b. ~1926 — 10 household members
| Surname | Williams |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Carnes |
| 1935 Residence (County) | Dorchester |
| Highest Grade | No 2 |
| 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 Martha Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Williams
Daughter · 1940 · age 14 · b. ~1926 · South Carolina
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Sibling
Jasper Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Williams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Williams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Williams
Sibling · 1940 · age 1
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 — Dorchester-County, South Carolina
Open full size
1940 US Federal Census — Dorchester-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03805-00091)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Holman | 17 | Son | Farm Laborer | South Carolina |
| 42 | J. A. Holman | 18 | Son | Laborer | South Carolina |
| 43 | Harry Holman | 15 | Son | Laborer | South Carolina |
| 44 | Sue Ellen Holman | 13 | Daughter | — | South Carolina |
| 45 | Hayward Robert Holman | 8 | Grandson | — | South Carolina |
| 46 | Pearl Williams | 38 | Head | Farmer | South Carolina |
| 47 | Val Williams | 36 | Wife | — | South Carolina |
| 48 | Freddie Williams | 16 | Son | Laborer | South Carolina |
| 49 | Martha Williams THIS PERSON | 14 | Daughter | — | South Carolina |
| 50 | Ida Mae Williams | 11 | Daughter | — | South Carolina |
| 51 | Earl Jr. Williams | 9 | Son | — | South Carolina |
| 52 | Joseph Williams | 7 | Son | — | South Carolina |
| 53 | Jasper Williams | 5 | Son | — | South Carolina |
| 54 | Louise Williams | 3 | Daughter | — | South Carolina |
| 55 | Mildred Williams | 1 | Daughter | — | South Carolina |
| 56 | Pearl Edwards | 40 | Head | Farmer | South Carolina |
| 57 | Essie Edwards | 36 | Wife | — | South Carolina |
| 58 | George Ernest Edwards | 16 | Son | Laborer | South Carolina |
| 59 | Julius Edwards | 14 | Son | Laborer | South Carolina |
| 60 | William Edwards | 12 | Son | — | South Carolina |
| 61 | Kennedy Edwards | 8 | Son | — | South Carolina |
| 62 | Emma Lou Edwards | 6 | Daughter | — | South Carolina |
| 63 | Walter Edwards | 4 | Son | — | South Carolina |
| 64 | Joe Louis Edwards | 1 | Son | — | South Carolina |
| 65 | Wesley Williams | 58 | Head | Farmer | South Carolina |
| 66 | Hattie Williams | 38 | Wife | — | South Carolina |
| 67 | Hubert Williams | 18 | Son | Laborer | South Carolina |
| 68 | Dennis Williams | 13 | Son | — | South Carolina |
| 69 | Mccray Williams | 12 | Son | — | South Carolina |
| 70 | Wesley Williams | 11 | Son | — | South Carolina |
| 71 | Julius Williams | 10 | Son | — | South Carolina |
| 72 | Minnie Lee Williams | 5 | Daughter | — | South Carolina |
| 73 | Lillian Williams | 2 | Daughter | — | South Carolina |
| 74 | Ida Walker | 35 | Head | Servant | South Carolina |
| 75 | John Cain | 33 | Head | Farmer | South Carolina |
| 76 | Ida Cain | 27 | Wife | — | South Carolina |
| 77 | Otis Cain | 6 | Son | — | South Carolina |
| 78 | James Allan Cain | 4 | Son | — | South Carolina |
| 79 | Elkins Peters | 46 | Head | Farmer | South Carolina |
| 80 | Mae Peters | 39 | Wife | — | South Carolina |
Related Census Records
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)