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Robert Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this Robert Williams across the 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed), with identified parents Thomas & Cornelius — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Williams |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 260 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Truck Driver |
| Township / Ward | Columbia City |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Rachel Cole | Daughter | — | 19 | ~1921 |
| Cornelius Williams | Head | — | 55 | ~1885 |
| Luther Cole | Other | — | 28 | ~1912 |
| Robert Williams | Son | — | 21 | ~1919 |
| Cornelius Williams | Son | — | 26 | ~1914 |
| James Williams | Son | — | 11 | ~1929 |
| Osborne Williams | Son | — | 16 | ~1924 |
| Rachel Williams | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Richland, South …
Son, age 1
Richland, South Carolina · implied b. ~1919 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Richland, South …
Son, age 12
Richland, South Carolina · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| 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
Richland-County, South …
Son, age 21
Richland-County, South Carolina · implied b. ~1919 — 8 household members
| Surname | Williams |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia City |
| 1935 Residence (County) | Richland |
| Occupation | Truck driver |
| Industry | Store |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 260 |
| Highest Grade | No 6 |
| 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 Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Williams (~0.92 confidence) and father Cornelius Williams (~0.92 confidence) and mother Rachel Williams (~0.92 confidence) and mother Lula Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Williams
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Cornelius Williams
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Rachel Williams
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Lula Williams
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Williams
Son · 1940 · age 21 · b. ~1919 · South Carolina
★ You are viewing this record
Sibling
Osborne Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Cole
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Williams
Sibling · 1940 · age 26
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 — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03833-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cornelius Williams | 55 | Head | Brick Mason | South Carolina |
| 2 | Rachel Williams | 53 | Wife | — | South Carolina |
| 3 | Robert Williams THIS PERSON | 21 | Son | Truck Driver | South Carolina |
| 4 | Osborne Williams | 16 | Son | — | South Carolina |
| 5 | James Williams | 11 | Son | — | South Carolina |
| 6 | Cornelius Jr Williams | 26 | Son | Butler | South Carolina |
| 7 | Luther Cole | 28 | Son in law | Waiter | South Carolina |
| 8 | Rachel Cole | 19 | Daughter | — | South Carolina |
| 9 | Maria Jackson | 65 | Head | — | South Carolina |
| 10 | James Barber | 50 | Head | Truck Driver | South Carolina |
| 11 | Sarah Barber | 24 | Wife | — | South Carolina |
| 12 | Annie Bell Barber | 3 | Daughter | — | South Carolina |
| 13 | James Jr. Barber | 12 | Son | — | South Carolina |
| 14 | David Woodard | 35 | Head | Carpenter | South Carolina |
| 15 | Marie Woodard | 31 | Wife | Maid | South Carolina |
| 16 | Currie Woodard | 15 | Daughter | — | South Carolina |
| 17 | Charles Woodard | 14 | Son | — | Baltimore |
| 18 | David Jr Woodard | 12 | Son | — | South Carolina |
| 19 | James Woodard | 10 | Son | — | South Carolina |
| 20 | Matthew Isaac | 52 | Head | Preacher | South Carolina |
| 21 | Currie Isaac | 49 | Wife | — | South Carolina |
| 22 | Prince Sullivan | 26 | Lodger | Bell Boy | South Carolina |
| 23 | Vacant Line | None | — | — | — |
| 24 | Odelle | 24 | Nephew | Truck Driver | South Carolina |
| 25 | Henry | 22 | Step-son | Laborer | South Carolina |
| 26 | Joseph | 21 | Step-son | Caretaker | South Carolina |
| 27 | Robert Taylor | 34 | Head | Dishwasher | South Carolina |
| 28 | Bertha Taylor | 22 | Wife | Cook | South Carolina |
| 29 | Robert Aiken | 27 | Head | Truck Driver | South Carolina |
| 30 | Inez Aiken | 19 | Wife | Dry Cleaner | South Carolina |
| 31 | Andrew Watson | 33 | Head | Farmer | South Carolina |
| 32 | Bessie Watson | 35 | Wife | Nurse | South Carolina |
| 33 | Talbert Myers | 30 | Head | Laundryman | South Carolina |
| 34 | Sallie Myers | 25 | Wife | Laundress | South Carolina |
| 35 | Willie Thomas | 50 | Head | Truck Driver | Georgia |
| 36 | Laura Thomas | 50 | Wife | — | Georgia |
| 37 | Marjorie Thomas | 13 | Daughter | — | South Carolina |
| 38 | William Williams | 9 | Lodger | — | South Carolina |
| 39 | Robert Hallums | 36 | Lodger | Concrete Worker | South Carolina |
| 40 | Fate Dallas | 40 | Lodger | — | Georgia |
Related Census Records
Pedigree Summary
Robert + 4 siblings
Gen 1 · 4 parents
~0.92
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)