WC
William Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, South Carolina
Our Model Tree links this William Clark across the 1910, 1920, 1930 and 1940 US Censuses in Marion, South Carolina (XGBoost, ~Confirmed), with identified parents William & Marion — first a son (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Male
Son
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, South Carolina |
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Mullins Town |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Julia Clark | Daughter | — | 22 | ~1908 |
| Addie Clark | Daughter | — | 19 | ~1911 |
| Alice Clark | Daughter | — | 17 | ~1913 |
| Marion Clark | Head | — | 51 | ~1879 |
| Grace Jones | Other | — | 24 | ~1906 |
| Addie Clark | Other | — | 45 | ~1885 |
| William Clark | Son | — | 21 | ~1909 |
Census Appearances
1910
Marion, South …
Son, age 1
Marion, South Carolina · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William P Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Marion, South …
Son, age 12
Marion, South Carolina · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Williamson |
| 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 |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Marion, South …
Son, age 21
Marion, South Carolina · implied b. ~1909 — 7 household members
| Surname | Clark |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Marion-County, South …
Head, age 31
Marion-County, South Carolina · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | W. H. Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mullins town |
| 1935 Residence (County) | Marion |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| 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 William Clark across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Clark (~0.92 confidence) and father Marion Clark (~0.92 confidence) and father Charlie Clark (~0.92 confidence) and mother Addie Clark (~0.92 confidence) and mother Bethey Clark (~0.92 confidence) and father Kenneth Clark (~0.81 confidence) and mother Edna Clark (~0.81 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
William Clark
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Marion Clark
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Charlie Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Addie Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Bethey Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Kenneth Clark
b. ~1848
Source mother>father
● Household
· direct · ~0.81
Mother
Edna Clark
b. ~1860
Source mother>mother
● Household
· direct · ~0.81
This person
Anchor record
William Clark
Son · 1930 · age 21 · b. ~1909 · South Carolina
★ You are viewing this record
Sibling
Julia Clark
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Addie Clark
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Clark
Sibling · 1930 · age 17
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
1930 US Federal Census — Marion, South Carolina
Open full size
1930 US Federal Census — Marion, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2206unit:0382)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ed Lewis | 52 | Head | Laborer | South Carolina |
| 52 | Annie Lewis | 28 | Wife-H | — | South Carolina |
| 53 | Annie May Lewis | 12 | Daughter | — | South Carolina |
| 54 | William Lewis | 59 | Boarder | — | South Carolina |
| 55 | Ivy Brown | 65 | Head | — | South Carolina |
| 56 | Bud Brown | 34 | Son | Laborer | South Carolina |
| 57 | Dora Brown | 23 | Daughter-H | — | South Carolina |
| 58 | Seymour Jordan | 25 | Boarder | Laborer | South Carolina |
| 59 | Lizzie Jordan | 24 | Boarder | — | South Carolina |
| 60 | Shep Rogers | 34 | Head | Barber | South Carolina |
| 61 | Mollie Rogers | 20 | Wife-H | — | South Carolina |
| 62 | Wesley Rogers | 2 | Son | — | South Carolina |
| 63 | Mollie Gordon | 63 | Mother-in-law | — | South Carolina |
| 64 | Dallas Cook | 50 | Head | Farmer | North Carolina |
| 65 | Pattie Cook | 51 | Wife-H | — | North Carolina |
| 66 | William T. O'Neils | 64 | Head | — | South Carolina |
| 67 | Emma O'Neils | 62 | Wife-H | — | South Carolina |
| 68 | William O'Neils | 18 | Son | — | South Carolina |
| 69 | Raymond Wiggins | 29 | Head | Farmer | South Carolina |
| 70 | Collie Wiggins | 27 | Wife-H | — | South Carolina |
| 71 | Ethel Wiggins | 7 | Daughter | — | South Carolina |
| 72 | Amada Wiggins | 6 | Daughter | — | South Carolina |
| 73 | Raymond Jr. Wiggins | 1 | Son | — | South Carolina |
| 74 | Shep Floyd | 36 | Head | Salesman | South Carolina |
| 75 | Annie Floyd | 32 | Wife-H | — | South Carolina |
| 76 | Hilda Floyd | 10 | Daughter | — | South Carolina |
| 77 | Dorothy D. Floyd | 2 | Daughter | — | South Carolina |
| 78 | Marion Clark | 51 | Head | Warehouseman | North Carolina |
| 79 | Addie Clark | 45 | Wife-H | — | South Carolina |
| 80 | Julia Clark | 22 | Daughter | — | South Carolina |
| 81 | William Clark THIS PERSON | 21 | Son | Laborer | South Carolina |
| 82 | Addie J. Clark | 19 | Daughter | — | South Carolina |
| 83 | Alice Clark | 17 | Daughter | — | South Carolina |
| 84 | Grace Jones | 24 | Boarder | Laborer | South Carolina |
| 85 | Isaac Duplex | 58 | Head | Farmer | South Carolina |
| 86 | Julia Duplex | 59 | Wife-H | — | South Carolina |
| 87 | Mae Reaves | 52 | Head | — | South Carolina |
| 88 | Eliza Reaves | 40 | Wife-H | Washwoman | South Carolina |
| 89 | Henry Reaves | 30 | Son | — | South Carolina |
| 90 | Watson Mcdaylan | 67 | Head | Clergyman | South Carolina |
| 91 | Lizzie Mcdaylan | 53 | Wife-H | — | South Carolina |
| 92 | Grace Mcdaylan | 13 | Daughter | — | South Carolina |
| 93 | Drain Tanger | 12 | Step-Son | — | South Carolina |
| 94 | Edison Tanger | 10 | Step-Son | — | South Carolina |
| 95 | Lillie Jackson | 40 | Lodger | Laborer | South Carolina |
| 96 | Sam Reaves | 72 | Head | Laborer | South Carolina |
| 97 | Jessie Reaves | 47 | Wife-H | — | North Carolina |
| 98 | Garrett Smith | 17 | Lodger | — | South Carolina |
| 99 | Leroy Mcenon | 29 | Head | Mason | South Carolina |
| 100 | Annie Mcenon | 26 | Wife-H | — | South Carolina |
Pedigree Summary
William + 3 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.81
Max depth 4 (1900–1950 window)
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)