DC
Dorothy Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Florence-County, South Carolina
Our Model Tree links this Dorothy Cooper across the 1930 and 1940 US Censuses in Florence-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Florence-County, South Carolina |
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | McAllister Township |
| 1935 Residence (County) | Florence |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Mcallister Township |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Columbus Cooper | Head | — | 52 | ~1888 |
| Hubert Cooper | Son | — | 18 | ~1922 |
| Dorothy Cooper | Daughter | — | 16 | ~1924 |
| Elzada Cooper | Daughter | — | 23 | ~1917 |
| Walker Cooper | Son | — | 9 | ~1931 |
| Dorson Cooper | Son | — | 22 | ~1918 |
| Annie Cooper | Spouse | — | 48 | ~1892 |
| Juanita Cooper | Daughter | — | 13 | ~1927 |
| Jimmie Cooper | Son | — | 5 | ~1935 |
Census Appearances
1930
Florence, South …
Daughter, age 5
Florence, South Carolina · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Doretha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| 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
Florence-County, South …
Daughter, age 16
Florence-County, South Carolina · implied b. ~1924 — 9 household members
| Surname | Cooper |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | McAllister Township |
| 1935 Residence (County) | Florence |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 0 |
| Highest Grade | Hs 5 |
| 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 Dorothy Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Cooper
Daughter · 1940 · age 16 · b. ~1924 · South Carolina
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Sibling
Juanita Cooper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jimmie Cooper
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elzada Cooper
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Cooper
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorson Cooper
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walker Cooper
Sibling · 1940 · age 9
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 — Florence-County, South Carolina
Open full size
1940 US Federal Census — Florence-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03808-00961)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Essie Freeman | 3 | Son | — | South Carolina |
| 42 | Brunson Freeman | 1 | Son | — | South Carolina |
| 43 | Clarence Cruel | 22 | Head | Farmer | South Carolina |
| 44 | Adalie Cruel | 22 | Wife | — | South Carolina |
| 45 | Cleveland Cruel | 0 | Son | — | South Carolina |
| 46 | Columbus Cooper | 52 | Head | Farmer | South Carolina |
| 47 | Annie Cooper | 48 | Wife | — | South Carolina |
| 48 | Elzada Cooper | 23 | Daughter | Laborer | South Carolina |
| 49 | Dorson Cooper | 22 | Son | Laborer | South Carolina |
| 50 | Hubert Cooper | 18 | Son | Laborer | South Carolina |
| 51 | Dorothy Cooper THIS PERSON | 16 | Daughter | Laborer | South Carolina |
| 52 | Juanita Cooper | 13 | Daughter | — | South Carolina |
| 53 | Walker Cooper | 9 | Son | — | South Carolina |
| 54 | Jimmie L Cooper | 5 | Son | — | South Carolina |
| 55 | Otley Turner | 44 | Head | Farmer | South Carolina |
| 56 | Pearl Turner | 40 | Wife | — | South Carolina |
| 57 | Joseph E Turner | 19 | Son | Laborer | South Carolina |
| 58 | Katie Turner | 16 | Daughter | Laborer | South Carolina |
| 59 | Carl D Turner | 15 | Son | — | South Carolina |
| 60 | Carolyn Turner | 15 | Daughter | — | South Carolina |
| 61 | Nelson Turner | 14 | Son | — | South Carolina |
| 62 | Talmadge Turner | 13 | Son | — | South Carolina |
| 63 | Ray Turner | 10 | Son | — | South Carolina |
| 64 | Norman Turner | 8 | Son | — | South Carolina |
| 65 | Preston Turner | 5 | Son | — | South Carolina |
| 66 | Lawyer Graham | 44 | Head | Farmer | South Carolina |
| 67 | Ettal M Graham | 39 | Wife | Laborer | South Carolina |
| 68 | Ruth Graham | 14 | Daughter | — | South Carolina |
| 69 | A J Graham | 11 | Son | — | South Carolina |
| 70 | John L Cooper | 61 | Head | Farmer | South Carolina |
| 71 | Rosa Cooper | 40 | Wife | — | South Carolina |
| 72 | Ernest Cooper | 23 | Son | Laborer | South Carolina |
| 73 | Fred | 35 | Head | Farmer | South Carolina |
| 74 | Nellie Fred | 25 | Wife | Laborer | South Carolina |
| 75 | Willie Fred | 13 | Son | — | South Carolina |
| 76 | Wellolu Fred | 11 | Son | — | South Carolina |
| 77 | Freddie J Fred | 6 | Daughter | — | South Carolina |
| 78 | Genell Fred | 4 | Daughter | — | South Carolina |
| 79 | Jeneford Fred | 2 | Daughter | — | South Carolina |
| 80 | Gertrude Poston | 64 | Mother in law | — | 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)