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Ruby Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Ruby Williams across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 19-person household.
Age 22
b. ~1918
Female
Daughter
Born: South Carolina
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Williams |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Separated |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Sumter |
| Est. Birth Year | ~1918 |
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.
19 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Ellen Atkinson | Daughter | — | 10 | ~1930 |
| Estell Atkinson | Daughter | — | 14 | ~1926 |
| Rosa Campbell | Daughter | — | 46 | ~1894 |
| Louelle Ross | Daughter | — | 40 | ~1900 |
| Ruby Williams | Daughter | — | 22 | ~1918 |
| Mattie Anderson | Daughter | — | 19 | ~1921 |
| Gertrude Atkinson | Daughter | — | 17 | ~1923 |
| John Campbell | Head | — | 42 | ~1898 |
| Abie Thompson | Other | — | 27 | ~1913 |
| Earl Thompson | Other | — | 30 | ~1910 |
| Bernice Ross | Other | — | 3 | ~1937 |
| Maybell Thompson | Other | — | 24 | ~1916 |
| Eugene Thompson | Other | — | 30 | ~1910 |
| Lewis Atkinson | Son | — | 12 | ~1928 |
| Robert Gaillard | Son | — | 26 | ~1914 |
| Joseph Ross | Son | — | 17 | ~1923 |
| Ralph Campbell | Son | — | 16 | ~1924 |
| William Atkinson | Son | — | 11 | ~1929 |
| Theodore Atkinson | Son | — | 13 | ~1927 |
Census Appearances
1930
Sumter, South …
Daughter, age 11
Sumter, South Carolina · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Daughter, age 22
Sumter-County, South Carolina · implied b. ~1918 — 19 household members
| Surname | Williams |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Separated |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter |
| 1935 Residence (County) | Sumter |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| 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 Ruby Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Williams
Daughter · 1940 · age 22 · b. ~1918 · South Carolina
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Sibling
Estell Atkinson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Atkinson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Atkinson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Gaillard
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Campbell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Atkinson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Atkinson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louelle Ross
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Ross
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Campbell
Sibling · 1940 · age 46
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Atkinson
Sibling · 1940 · age 10
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-03842-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Inez Bateman | 22 | Wife | — | South Carolina |
| 42 | Betty A. Bateman | 4 | Daughter | — | South Carolina |
| 43 | Marie F. Bateman | 3 | Daughter | — | South Carolina |
| 45 | Ben Grant | 47 | Head | Laborer | South Carolina |
| 46 | Janie Grant | 33 | Wife | — | South Carolina |
| 47 | John H. D. Campbell | 42 | Head | Stave Cutter | North Carolina |
| 48 | Rosa Campbell | 46 | Daughter | — | South Carolina |
| 49 | Ralph Campbell | 16 | Son | — | South Carolina |
| 50 | Ruby Williams THIS PERSON | 22 | Daughter | — | South Carolina |
| 51 | Eugene Thompson | 30 | Lodger | Laborer | South Carolina |
| 52 | Abie Thompson | 27 | Lodger | Porter | South Carolina |
| 54 | Gertrude Atkinson | 17 | Daughter | — | South Carolina |
| 55 | Estell Atkinson | 14 | Daughter | — | South Carolina |
| 56 | Theodore Atkinson | 13 | Son | — | South Carolina |
| 57 | Lewis Atkinson | 12 | Son | — | South Carolina |
| 58 | William Atkinson | 11 | Son | — | South Carolina |
| 59 | Ellen Atkinson | 10 | Daughter | — | South Carolina |
| 61 | Earl Thompson | 30 | Lodger | Laborer | South Carolina |
| 62 | Maybell Thompson | 24 | Lodger | Laundress | South Carolina |
| 64 | Louelle Ross | 40 | Daughter | — | South Carolina |
| 65 | Bernice Ross | 3 | Granddaughter | — | South Carolina |
| 66 | Joseph Ross | 17 | Son | — | South Carolina |
| 67 | Mattie Anderson | 19 | Daughter | Laundress | South Carolina |
| 68 | Robert W. Gaillard | 26 | Son | Teacher | South Carolina |
| 69 | Annie Hogan | 53 | Head | Mgr Store | South Carolina |
| 70 | Claude Hogan | 29 | Son | Electrician | South Carolina |
| 71 | Elizabeth Scaddlefield | 49 | Sister | — | South Carolina |
| 72 | Washington Evans | 28 | Head | Service Repair | South Carolina |
| 73 | Easter Evans | 23 | Wife | Laundress | South Carolina |
| 74 | Ethel Evans | 12 | Daughter | — | South Carolina |
| 75 | George Evans | 11 | Son | — | South Carolina |
| 76 | Mildred Evans | 9 | Daughter | — | South Carolina |
| 77 | David Berkhard | 10 | Partner | — | South Carolina |
| 78 | John Cauchon | 22 | Lodger | Laborer | South Carolina |
| 79 | Howard Cauchon | 8 | Nephew | Laborer | 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)