RC
Ruth Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkeley-County, South Carolina
Our Model Tree links this Ruth Cooper across the 1930 and 1940 US Censuses in Berkeley-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 12-person household.
Age 10
b. ~1930
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkeley-County, South Carolina |
| Surname | Cooper |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St. Stephens |
| 1935 Residence (County) | Berkeley |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St Stephens |
| Est. Birth Year | ~1930 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Herbert Cooper | Son | — | 21 | ~1919 |
| Ida Cooper | Daughter | — | 12 | ~1928 |
| Mary Cooper | Daughter | — | 16 | ~1924 |
| Hallie Cooper | Daughter | — | 6 | ~1934 |
| Adeline Cooper | Spouse | — | 45 | ~1895 |
| Josephine Cooper | Daughter | — | 14 | ~1926 |
| David Cooper | Son | — | 23 | ~1917 |
| Benjamin Cooper | Son | — | 18 | ~1922 |
| Elijah Cooper | Son | — | 3 | ~1937 |
| Essie Cooper | Daughter | — | 8 | ~1932 |
| Ruth Cooper | Daughter | — | 10 | ~1930 |
| Elijah Cooper | Head | — | 49 | ~1891 |
Census Appearances
1930
Berkeley, South …
Daughter, age 1
Berkeley, South Carolina · implied b. ~1929 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Berkeley-County, South …
Daughter, age 10
Berkeley-County, South Carolina · implied b. ~1930 — 12 household members
| Surname | Cooper |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St. Stephens |
| 1935 Residence (County) | Berkeley |
| Highest Grade | No 4 |
| 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 Ruth Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Cooper
Daughter · 1940 · age 10 · b. ~1930 · South Carolina
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Sibling
Ida Cooper
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Cooper
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Cooper
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Cooper
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cooper
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elijah Cooper
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hallie Cooper
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Cooper
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Cooper
Sibling · 1940 · age 21
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 — Berkeley-County, South Carolina
Open full size
1940 US Federal Census — Berkeley-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03791-00379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Finley | 8 | Daughter | — | South Carolina |
| 2 | Daisy Finley | 7 | Daughter | — | South Carolina |
| 3 | Georgia Finley | 4 | Daughter | — | South Carolina |
| 4 | Robert Jefferson | 37 | Head | Farmer | South Carolina |
| 5 | Bessie Jefferson | 48 | Wife | Farmer | South Carolina |
| 6 | Daisy Daisey | 35 | Wife | Farm Worker | South Carolina |
| 7 | Dan Bryant | 7 | Adopted | — | South Carolina |
| 8 | Willie Anderson | 7 | Adopted | — | South Carolina |
| 9 | Steven Wallace | 40 | Head | Farmer | South Carolina |
| 10 | Susan Wallace | 39 | Wife | Farm Worker | South Carolina |
| 11 | Frank Wallace | 16 | Son | — | South Carolina |
| 12 | Apulle Wallace | 14 | Daughter | — | South Carolina |
| 13 | William Wallace | 13 | Son | — | South Carolina |
| 14 | Victoria Wallace | 10 | Daughter | — | South Carolina |
| 15 | Abraham Wallace | 6 | Son | — | South Carolina |
| 16 | David Wallace | 3 | Son | — | South Carolina |
| 17 | Cathrine Wallace | 2 | Daughter | — | South Carolina |
| 18 | Profit Wallace | 0 | Son | — | South Carolina |
| 19 | Robert Small | 23 | Head | Laborer | South Carolina |
| 20 | Leola Small | 22 | Wife | Farm Worker | South Carolina |
| 21 | Robert Jr. Small | 8 | Son | — | South Carolina |
| 22 | Leon Small | 5 | Son | — | South Carolina |
| 23 | David Small | 4 | Son | — | South Carolina |
| 24 | Frances Small | 1 | Son | — | South Carolina |
| 25 | Elijah Cooper | 49 | Head | Farmer | South Carolina |
| 26 | Adeline Cooper | 45 | Wife | Farm Worker | South Carolina |
| 27 | David (At) Cooper | 23 | Son | — | South Carolina |
| 28 | Herbert Cooper | 21 | Son | Farm Worker | South Carolina |
| 29 | Benjamin Cooper | 18 | Son | — | South Carolina |
| 30 | Mary Cooper | 16 | Daughter | — | South Carolina |
| 31 | Josephine Cooper | 14 | Daughter | — | South Carolina |
| 32 | Ida Cooper | 12 | Daughter | — | South Carolina |
| 33 | Ruth Cooper THIS PERSON | 10 | Daughter | — | South Carolina |
| 34 | Essie Mae Cooper | 8 | Daughter | — | South Carolina |
| 35 | Hallie Bell Cooper | 6 | Daughter | — | South Carolina |
| 36 | Elijah Jr. Cooper | 3 | Son | — | South Carolina |
| 37 | Maude E. Mccalen | 40 | Head | Nurse | Florida |
| 38 | William Mccalen | 46 | Husband | — | Georgia |
| 39 | Cindair Calan | 6 | Son | — | South Carolina |
| 40 | Alphonso Bradbury | 5 | Nephew | — | Florida |
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)