SC
Sarah Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Sarah Cooper across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mayesville |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Mayesville |
| Est. Birth Year | ~1929 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Carrie Cooper | Daughter | — | 13 | ~1927 |
| Edith Cooper | Daughter | — | 18 | ~1922 |
| Willie Cooper | Son | — | 9 | ~1931 |
| Sarah Cooper | Daughter | — | 11 | ~1929 |
| Lindy Cooper | Spouse | — | 40 | ~1900 |
| Ellouise Cooper | Daughter | — | 20 | ~1920 |
| Melvin Cooper | Head | — | 45 | ~1895 |
| Evelyn Cooper | Daughter | — | 4 | ~1936 |
| Andrew Cooper | Son | — | 6 | ~1934 |
| Curtis Cooper | Son | — | 1 | ~1939 |
Census Appearances
1930
Sumter, South …
Daughter, age 1
Sumter, South Carolina · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Sarah A. |
| 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 |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Daughter, age 11
Sumter-County, South Carolina · implied b. ~1929 — 10 household members
| Surname | Cooper |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mayesville |
| 1935 Residence (County) | Sumter |
| Highest Grade | No 3 |
| 1935 Residence | South Carolina |
| 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 Sarah Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Cooper
Daughter · 1940 · age 11 · b. ~1929 · South Carolina
★ You are viewing this record
Sibling
Evelyn Cooper
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Cooper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis Cooper
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellouise Cooper
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Cooper
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Cooper
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Cooper
Sibling · 1940 · age 6
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
40 people indexed on this census page (nara:1940:m-t0627-03841-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fortune Harvin | 45 | Head | Farmer | South Carolina |
| 2 | Dorothy Harvin | 40 | Wife | Housekeeper | South Carolina |
| 3 | Easter Harvin | 20 | Daughter | Farm Laborer | South Carolina |
| 4 | Molly Harvin | 16 | Daughter | Farm Laborer | South Carolina |
| 5 | Willie Harvin | 12 | Son | — | South Carolina |
| 6 | Luther Harvin | 12 | Son | — | South Carolina |
| 7 | L. David Harvin | 4 | Grand Son | — | South Carolina |
| 8 | Andrew Fortune | 74 | Head | Farmer | South Carolina |
| 9 | Sarah Fortune | 66 | Wife | — | South Carolina |
| 10 | Luther Fortune | 30 | Son | Farm Laborer | South Carolina |
| 11 | Harmon Fortune | 28 | Son | Farm Laborer | South Carolina |
| 12 | L. D. Fortune | 25 | Son | Farmer | South Carolina |
| 13 | Willie Fortune | 22 | Son | Farm Laborer | South Carolina |
| 14 | Laura Fortune | 20 | Daughter | — | South Carolina |
| 15 | Molly Fortune | 10 | Grand Daughter | — | South Carolina |
| 16 | Gamble Brand | 35 | Head | Farmer | South Carolina |
| 17 | Willie Brand | 14 | Son | — | South Carolina |
| 18 | Douglas Brand | 12 | Son | — | South Carolina |
| 19 | Harry Brand | 10 | Son | — | South Carolina |
| 20 | David Brand | 8 | Son | — | South Carolina |
| 21 | Robert Co Johnson | 40 | Head | Farmer | South Carolina |
| 22 | Cora Johnson | 38 | Wife | — | South Carolina |
| 23 | Susanna Johnson | 14 | Daughter | — | South Carolina |
| 24 | Sarah Johnson | 10 | Daughter | — | South Carolina |
| 25 | Robert Jr Johnson | 8 | Son | — | South Carolina |
| 26 | Gertrude Johnson | 5 | Daughter | — | South Carolina |
| 27 | Melvin Cooper | 45 | Head | Farmer | South Carolina |
| 28 | Lindy Cooper | 40 | Wife | — | South Carolina |
| 29 | Ellouise Cooper | 20 | Daughter | Farm Laborer | South Carolina |
| 30 | Edith Cooper | 18 | Daughter | Farm Laborer | South Carolina |
| 31 | Carrie Cooper | 13 | Daughter | — | South Carolina |
| 32 | Sarah Cooper THIS PERSON | 11 | Daughter | — | South Carolina |
| 33 | Willie Cooper | 9 | Son | — | South Carolina |
| 34 | Andrew Cooper | 6 | Son | — | South Carolina |
| 35 | Evelyn Cooper | 4 | Daughter | — | South Carolina |
| 36 | Curtis Cooper | 1 | Son | — | South Carolina |
| 37 | Marion Hampton | 35 | Head | Farmer | South Carolina |
| 38 | Maud Hampton | 32 | Wife | — | South Carolina |
| 39 | Annie Hampton | 11 | Daughter | — | South Carolina |
| 40 | Julius Hampton | 8 | Son | — | 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)