RC
Robert Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Darlington-County, South Carolina
Our Model Tree links this Robert Cooper across the 1920, 1930 and 1940 US Censuses in Darlington-County, South Carolina (XGBoost, ~Confirmed), with identified parents Robert & Rosabell — first a son (b.~1914), then head of a 9-person household.
Age 26
b. ~1914
Male
Son
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Darlington-County, South Carolina |
| Surname | Cooper |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Palmetto Township |
| 1935 Residence (County) | Darlington |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Oxford Shpg Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 725 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Truck Driver |
| Township / Ward | Palmetto Township |
| Est. Birth Year | ~1914 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Catherine Perkins | Daughter | — | 11 | ~1929 |
| Joseph Perkins | Head | — | 45 | ~1895 |
| Raford Perkins | Son | — | 9 | ~1931 |
| Cecil Perkins | Son | — | 7 | ~1933 |
| Roy Perkins | Son | — | 15 | ~1925 |
| Newton Perkins | Son | — | 4 | ~1936 |
| Robert Cooper | Son | — | 26 | ~1914 |
| Lola Perkins | Spouse | — | 40 | ~1900 |
| Vivian Cooper | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Darlington, South …
Son, age 5
Darlington, South Carolina · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Darlington, South …
Son, age 16
Darlington, South Carolina · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| 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
Darlington-County, South …
Son, age 26
Darlington-County, South Carolina · implied b. ~1914 — 9 household members
| Surname | Cooper |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Palmetto Township |
| 1935 Residence (County) | Darlington |
| Occupation | Truck Driver |
| Industry | Oxford Shpg Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 725 |
| Highest Grade | Hs 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 Robert Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Cooper (~0.92 confidence) and mother Rosabell Cooper (~0.92 confidence) and father Robert Cooper (~0.92 confidence) and mother Rosabelle Cooper (~0.92 confidence) and father Joseph Perkins (~0.92 confidence) and mother Lola Perkins (~0.92 confidence) and mother Vivian Cooper (~0.50 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Robert Cooper
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Rosabell Cooper
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Robert Cooper
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Rosabelle Cooper
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Joseph Perkins
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Lola Perkins
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Vivian Cooper
b. ~1917
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Robert Cooper
Son · 1940 · age 26 · b. ~1914 · South Carolina
★ You are viewing this record
Sibling
Catherine Perkins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Newton Perkins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raford Perkins
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Perkins
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Perkins
Sibling · 1940 · age 7
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 — Darlington-County, South Carolina
Open full size
1940 US Federal Census — Darlington-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03803-00211)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Coker Gerthena Coker | 14 | Daughter | — | S. Carolina |
| 42 | Coker Major Lee Coker | 6 | Son | — | S. Carolina |
| 43 | John D. Munger | 29 | Head | Contractor | S. Carolina |
| 44 | King S. Miller | 60 | Head | Farmer | South Carolina |
| 45 | Mattie Miller | 47 | Wife | — | South Carolina |
| 46 | Wayne Miller | 30 | Son | Laborer | S. Carolina |
| 47 | Nora Mae Miller | 16 | Daughter | Laborer | South Carolina |
| 48 | Annie Joe Miller | 14 | Daughter | Laborer | South Carolina |
| 49 | Catherine Miller | 12 | Daughter | — | South Carolina |
| 50 | Myrtle Lee Miller | 10 | Daughter | — | S. Carolina |
| 51 | Lillian Loretta Miller | 7 | Daughter | — | S. Carolina |
| 52 | Jacqulin Miller | 5 | Daughter | — | S. Carolina |
| 53 | John Toby Miller | 2 | Son | — | S. Carolina |
| 54 | Wallace Andrews | 62 | Head | Laborer | South Carolina |
| 55 | Annie Andrews | 50 | Wife | — | South Carolina |
| 56 | Jim Davis | 58 | Head | Farmer | South Carolina |
| 57 | Berta Mae Davis | 48 | Wife | — | South Carolina |
| 58 | William Davis | 24 | Son | Laborer | South Carolina |
| 59 | Mary Davis | 22 | Daughter | Laborer | South Carolina |
| 60 | John T. Jr. Davis | 19 | Son | Laborer | South Carolina |
| 61 | James Davis | 16 | Son | Laborer | South Carolina |
| 62 | Edward Davis | 14 | Son | Laborer | South Carolina |
| 63 | Margie Davis | 12 | Daughter | — | South Carolina |
| 64 | Eldon Davis | 8 | Son | — | South Carolina |
| 65 | Rogers Jimmie Davis | 6 | Grandson | — | South Carolina |
| 66 | Virgil Graham | 68 | Head | Farmer | South Carolina |
| 67 | Kellas Martha Graham | 70 | Sister | Laborer | South Carolina |
| 68 | Dennis Greene | 69 | Head | Laborer | South Carolina |
| 69 | Anna Myra Greene | 75 | Sister | — | South Carolina |
| 70 | Asa Belle Cooper | 64 | Head | Farmer | South Carolina |
| 71 | Edgar Cooper | 36 | Son | Farmer | South Carolina |
| 72 | Joseph Perkins | 45 | Head | Laborer | South Carolina |
| 73 | Lola Perkins | 40 | Wife | — | South Carolina |
| 74 | Roy Perkins | 15 | Son | Laborer | South Carolina |
| 75 | Catherine Perkins | 11 | Daughter | — | South Carolina |
| 76 | Raford Perkins | 9 | Son | — | South Carolina |
| 77 | Cecil Perkins | 7 | Son | — | South Carolina |
| 78 | Newton Perkins | 4 | Son | — | South Carolina |
| 79 | Robert B. Cooper THIS PERSON | 26 | Son | Truck Driver | South Carolina |
| 80 | Vivian A. Cooper | 23 | Wife | — | South Carolina |
Pedigree Summary
Robert + 5 siblings
Gen 1 · 7 parents
~0.86
Max depth 4 (1900–1950 window)
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)