RD
Robert Douglas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Williamsburg, South Carolina
Our Model Tree links this Robert Douglas across the 1920, 1930 and 1940 US Censuses in Williamsburg, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 6-person household.
Age 58
b. ~1872
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Williamsburg, South Carolina |
| Surname | Douglas |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | Johnson Township Pt Of |
| Est. Birth Year | ~1872 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Bright Douglas | Son | — | 19 | ~1911 |
| Robert Douglas | Head | — | 58 | ~1872 |
| Ella Parsons | Other | — | 14 | ~1916 |
| Mary Douglas | Other | — | 58 | ~1872 |
| Hattie Douglas | Daughter | — | 16 | ~1914 |
| Eula Parsons | Other | — | 13 | ~1917 |
Census Appearances
1920
Williamsburg, South …
Head, age 49
Williamsburg, South Carolina · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Robert J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Mulatto |
| Age | 49 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farming |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Williamsburg, South …
Head, age 58
Williamsburg, South Carolina · implied b. ~1872 — 6 household members
| Surname | Douglas |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Williamsburg-County, South …
Head, age 68
Williamsburg-County, South Carolina · implied b. ~1872 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | Robert J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Johnson Township |
| 1935 Residence (County) | Williamsburg |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 26 |
| Income (1939) | 0 |
| 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 Robert Douglas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Robert Douglas
Head · 1930 · age 58 · b. ~1872 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Williamsburg, South Carolina
Open full size
1930 US Federal Census — Williamsburg, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2215unit:0997)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | B. Son Christopher | 4 | — | — | South Carolina |
| 52 | Robert J. Douglas THIS PERSON | 58 | Head | Farmer | South Carolina |
| 53 | Mary A. Douglas | 58 | Wife-H | — | South Carolina |
| 54 | Bright W. Douglas | 19 | Son | Farm Laborer | South Carolina |
| 55 | Hattie E. Douglas | 16 | Daughter | Farm Laborer | South Carolina |
| 56 | Ella Parsons | 14 | Granddaughter | — | South Carolina |
| 57 | Eula Parsons | 13 | Granddaughter | — | South Carolina |
| 58 | Neely R. Douglas | 31 | Head | Farmer | South Carolina |
| 59 | Sara J. Douglas | 26 | Wife-H | — | South Carolina |
| 60 | J. W. Douglas | 1 | Son | — | South Carolina |
| 61 | Cloney M. Douglas | 0 | Daughter | — | South Carolina |
| 62 | Nelson H. Douglas | 33 | Head | Farmer | South Carolina |
| 63 | Bessie A. Douglas | 37 | Wife-H | — | South Carolina |
| 64 | Dorothy G. Douglas | 10 | Daughter | — | South Carolina |
| 65 | Celron G. Douglas | 8 | Son | — | South Carolina |
| 66 | Eugene L. Douglas | 6 | Son | — | South Carolina |
| 67 | Clifton G. Douglas | 3 | Son | — | South Carolina |
| 68 | Henry Sampson | 27 | Head | Farm Laborer | South Carolina |
| 69 | Florence Sampson | 25 | Wife-H | Farm Laborer | South Carolina |
| 70 | Ben Richardson | 32 | Head | Farmer | South Carolina |
| 71 | Magdalen Richardson | 30 | Wife-H | Farm Laborer | South Carolina |
| 72 | Lila M. Richardson | 8 | Daughter | — | South Carolina |
| 73 | Susie Richardson | 7 | Daughter | — | South Carolina |
| 74 | Willie Richardson | 4 | Son | — | South Carolina |
| 75 | Bertha Richardson | 1 | Daughter | — | South Carolina |
| 76 | Julius E. Barley | 45 | Head | Farmer | South Carolina |
| 77 | Tiny Barley | 42 | Wife-H | — | South Carolina |
| 78 | Effie Barley | 18 | Daughter | Farm Laborer | South Carolina |
| 79 | Irene Barley | 16 | Daughter | Farm Laborer | South Carolina |
| 80 | Ralston Barley | 14 | Son | Farm Laborer | South Carolina |
| 81 | Angus Barley | 11 | Son | Farm Laborer | South Carolina |
| 82 | Leroy Barley | 9 | Son | — | South Carolina |
| 83 | Wilbur Barley | 7 | Son | — | South Carolina |
| 84 | Pauline Barley | 3 | Daughter | — | South Carolina |
| 85 | Ellerby Barley | 1 | Son | — | South Carolina |
| 86 | Saul Brown | 34 | Head | Farmer | South Carolina |
| 87 | Sophie Brown | 30 | Wife-H | Farm Laborer | South Carolina |
| 88 | Rosa Lee Brown | 8 | Daughter | — | South Carolina |
| 89 | Frank S. Brown | 5 | Son | — | South Carolina |
| 90 | Joseph H. Brown | 38 | Head | Farmer | South Carolina |
| 91 | Virginia Brown | 24 | Wife-H | Farm Laborer | South Carolina |
| 92 | David Brown | 10 | Son | — | South Carolina |
| 93 | Rachel Brown | 83 | Mother | — | South Carolina |
| 94 | Fridie Miller | 65 | Head | Farmer | South Carolina |
| 95 | Chrissie A. Miller | 56 | Wife-H | Cook | South Carolina |
| 96 | Clarence Cozard | 16 | Grandson | Farm Laborer | South Carolina |
| 97 | Simpson Brown | 27 | Head | Farmer | South Carolina |
| 98 | Jane Brown | 20 | Wife-H | — | South Carolina |
| 99 | Caroline Brown | 3 | Daughter | — | South Carolina |
| 100 | Lilly D. Brown | 1 | Daughter | — | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)