JW
John Williamson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Marion, South Carolina
Our Model Tree links this John Williamson across the 1910 and 1920 US Censuses in Marion, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 11-person household.
Age 13
b. ~1907
Male
Son
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Marion, South Carolina |
| Surname | Williamson |
| Given Name | John Pearl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Marion |
| Est. Birth Year | ~1907 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edna Williamson | Daughter | — | 2 | ~1918 |
| Ethel Williamson | Daughter | — | 18 | ~1902 |
| Katie Williamson | Daughter | — | 4 | ~1916 |
| Netta Williamson | Daughter | — | 24 | ~1896 |
| Mayo Williamson | Daughter | — | 27 | ~1893 |
| Charley Williamson | Head | — | 50 | ~1870 |
| Clyde Williamson | Son | — | 22 | ~1898 |
| Hoyt Williamson | Son | — | 10 | ~1910 |
| Alvin Williamson | Son | — | 20 | ~1900 |
| Stacy Williamson | Son | — | 13 | ~1907 |
| John Williamson | Son | — | 13 | ~1907 |
Census Appearances
1910
Marion, South …
Son, age 4
Marion, South Carolina · implied b. ~1906 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| 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 |
1920
Marion, South …
Son, age 13
Marion, South Carolina · implied b. ~1907 — 11 household members
| Surname | Williamson |
| Given Name | John Pearl |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| 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 John Williamson across 2 US Census years (1910 and 1920) in Marion, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
John Williamson
Son · 1920 · age 13 · b. ~1907 · South Carolina
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Sibling
Stacy Williamson
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie Williamson
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hoyt Williamson
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Williamson
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Netta Williamson
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mayo Williamson
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Williamson
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Williamson
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Williamson
Sibling · 1920 · age 2
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
1920 US Federal Census — Marion, South Carolina
Open full size
1920 US Federal Census — Marion, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1703unit:0156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Woodrow W | 12 | son | None | South Carolina |
| 2 | George | 10 | son | None | South Carolina |
| 3 | Verba | 8 | daughter | None | South Carolina |
| 4 | Lula | 10 | niece | None | South Carolina |
| 5 | Fred Williamson | 31 | head | Farmer | South Carolina |
| 6 | Early Williamson | 28 | wife | None | South Carolina |
| 7 | Ruthie Williamson | 10 | daughter | None | South Carolina |
| 8 | Ruth Williamson | 6 | daughter | None | South Carolina |
| 9 | Eva Williamson | 4 | daughter | None | South Carolina |
| 10 | Boyd Williamson | 2 | son | None | South Carolina |
| 11 | Annie Williamson | 42 | head | Farmer | South Carolina |
| 12 | Susan Williamson | 38 | wife | None | South Carolina |
| 13 | Blanche Williamson | 7 | daughter | None | South Carolina |
| 14 | Perlie L Williamson | 6 | son | None | South Carolina |
| 15 | Annie Jr Williamson | 3 | son | None | South Carolina |
| 16 | Vardie Williamson | 1 | son | None | South Carolina |
| 17 | Lula Williamson | 12 | niece | None | South Carolina |
| 18 | Ember Williamson | 10 | niece | None | South Carolina |
| 19 | Charley Williamson | 50 | head | Farmer | South Carolina |
| 20 | Mayo Williamson | 27 | daughter | None | South Carolina |
| 21 | Netta Williamson | 24 | daughter | None | South Carolina |
| 22 | Clyde Williamson | 22 | son | Farm Laborer | South Carolina |
| 23 | Alvin Williamson | 20 | son | Farm Laborer | South Carolina |
| 24 | Ethel Williamson | 18 | daughter | None | South Carolina |
| 25 | John Pearl Williamson THIS PERSON | 13 | son | None | South Carolina |
| 26 | Stacy Williamson | 13 | son | None | South Carolina |
| 27 | Hoyt Williamson | 10 | son | None | South Carolina |
| 28 | Katie Williamson | 4 | daughter | None | South Carolina |
| 29 | Edna Williamson | 2 | daughter | None | South Carolina |
| 30 | Silas Nelson | 50 | head | Farmer | South Carolina |
| 31 | Early Nelson | 16 | daughter | None | South Carolina |
| 32 | Nita Nelson | 14 | daughter | None | South Carolina |
| 33 | J Crawford Nelson | 12 | son | None | South Carolina |
| 34 | Lawson Nelson | 10 | son | None | South Carolina |
| 35 | Clifton Nelson | 8 | son | None | South Carolina |
| 36 | Willie Nelson | 7 | daughter | None | South Carolina |
| 37 | Emma Nelson | 45 | sister | None | South Carolina |
| 38 | Mary Hays | 40 | sister | None | South Carolina |
| 39 | Emma Crawford | 26 | niece | None | South Carolina |
| 40 | Moses Nelson | 37 | brother | Farm Laborer | South Carolina |
| 41 | Reedy Nelson | 34 | brother | Laborer | South Carolina |
| 42 | Jackson Davis | 69 | head | Farmer | South Carolina |
| 43 | Lula Davis | 45 | wife | None | South Carolina |
| 44 | Henry L Anderson | 32 | head | Farmer | South Carolina |
| 45 | Lottie Anderson | 32 | wife | None | South Carolina |
| 46 | Henry L Jr Anderson | 2 | son | None | South Carolina |
| 47 | Eli N Platt | 39 | head | Farmer | South Carolina |
| 48 | Lula Platt | 24 | wife | None | South Carolina |
| 49 | John H Platt | 6 | son | None | South Carolina |
| 50 | James L Platt | 1 | son | None | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)