JC
John Curtis — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sumter, South Carolina
Our Model Tree links this John Curtis across the 1910 and 1920 US Censuses in Sumter, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1902), then head of a 11-person household.
Age 18
b. ~1902
Male
Son
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Sumter, South Carolina |
| Surname | Curtis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Providence Township |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Fuzzy Curtis | Daughter | — | 4 | ~1916 |
| Phyllis Curtis | Daughter | — | 7 | ~1913 |
| Gertrude Curtis | Daughter | — | 40 | ~1880 |
| Julia Curtis | Daughter | — | 37 | ~1883 |
| Annie Curtis | Daughter | — | 9 | ~1911 |
| May Curtis | Head | — | 48 | ~1872 |
| Judge Curtis | Son | — | 20 | ~1900 |
| John Curtis | Son | — | 18 | ~1902 |
| Harrison Curtis | Son | — | 12 | ~1908 |
| Robert Curtis | Son | — | 14 | ~1906 |
| Sarah Curtis | Spouse | — | 44 | ~1876 |
Census Appearances
1910
Clarendon, South …
Son, age 7
Clarendon, South Carolina · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| 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
Sumter, South …
Son, age 18
Sumter, South Carolina · implied b. ~1902 — 11 household members
| Surname | Curtis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | 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 Curtis across 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Curtis
Son · 1920 · age 18 · b. ~1902 · South Carolina
★ You are viewing this record
Sibling
Gertrude Curtis
Sibling · 1920 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harrison Curtis
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Judge Curtis
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Curtis
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Curtis
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Curtis
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Curtis
Sibling · 1920 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fuzzy Curtis
Sibling · 1920 · age 4
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 — Sumter, South Carolina
Open full size
1920 US Federal Census — Sumter, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1712unit:0930)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Enoch Johnson | 10 | Son | None | South Carolina |
| 52 | Joe Johnson | 44 | Head | Farmer | South Carolina |
| 53 | Hattie Johnson | 38 | Wife | Laborer | South Carolina |
| 54 | Mary Johnson | 15 | Daughter | Laborer | South Carolina |
| 55 | Abigail Johnson | 13 | Daughter | Laborer | South Carolina |
| 56 | Marie Johnson | 11 | Daughter | Laborer | South Carolina |
| 57 | Absolam Johnson | 9 | Son | None | South Carolina |
| 58 | Willie Brunson | 40 | Head | Farmer | South Carolina |
| 59 | Isabella Brunson | 38 | Wife | Laborer | South Carolina |
| 60 | Frances Brunson | 13 | Daughter | Laborer | South Carolina |
| 61 | Henrietta Brunson | 12 | Daughter | Laborer | South Carolina |
| 62 | Aged Brunson | 21 | Head | Laborer | South Carolina |
| 63 | Mildred Brunson | 19 | Wife | Laborer | South Carolina |
| 64 | Eddie Hudson | 34 | Head | Farmer | South Carolina |
| 65 | Mary Hudson | 30 | Wife | Laborer | South Carolina |
| 66 | Agnes Hudson | 2 | Daughter | None | South Carolina |
| 67 | Clara Hudson | 0 | Daughter | None | South Carolina |
| 68 | Henry Williams | 61 | Head | Farmer | South Carolina |
| 69 | Margaret Williams | 38 | Wife | Laborer | South Carolina |
| 70 | Henry Williams | 15 | Son | Laborer | South Carolina |
| 71 | Allen Williams | 13 | Daughter | Laborer | South Carolina |
| 72 | Julia Williams | 11 | Daughter | Laborer | South Carolina |
| 73 | Rosie Williams | 9 | Daughter | Laborer | South Carolina |
| 74 | Adam Williams | 7 | Son | None | South Carolina |
| 75 | Herbert Williams | 5 | Daughter | None | South Carolina |
| 76 | Margaret Williams | 3 | Daughter | None | South Carolina |
| 77 | Frederick Boykin | 36 | Head | Farmer | South Carolina |
| 78 | Sarah Boykin | 26 | Wife | Laborer | South Carolina |
| 79 | Willie Boykin | 11 | Son | Laborer | South Carolina |
| 80 | May Curtis | 48 | Head | Farmer | South Carolina |
| 81 | Sarah Curtis | 44 | Wife | Laborer | South Carolina |
| 82 | Judge Curtis | 20 | Son | Laborer | South Carolina |
| 83 | John Curtis THIS PERSON | 18 | Son | Laborer | South Carolina |
| 84 | Robert Curtis | 14 | Son | Laborer | South Carolina |
| 85 | Harrison Curtis | 12 | Son | Laborer | South Carolina |
| 86 | Annie Curtis | 9 | Daughter | None | South Carolina |
| 87 | Phyllis Curtis | 7 | Daughter | None | South Carolina |
| 88 | Fuzzy Curtis | 4 | Daughter | None | South Carolina |
| 89 | Gertrude Curtis | 40 | Daughter | Laborer | South Carolina |
| 90 | Julia Curtis | 37 | Daughter | Laborer | South Carolina |
| 91 | Isaac Brunson | 30 | Head | Farmer | South Carolina |
| 92 | Annie Brunson | 70 | Mother | Laborer | South Carolina |
| 93 | James Holoway | 23 | Nephew | Laborer | South Carolina |
| 94 | Mamie Holoway | 26 | Niece | Laborer | South Carolina |
| 95 | Vander Holoway | 2 | Nephew | Laborer | South Carolina |
| 96 | Arthur Sanders | 46 | Head | Farmer | South Carolina |
| 97 | Martha Sanders | 45 | Wife | Laborer | South Carolina |
| 98 | Thomas Boykin | 32 | Head | Farmer | South Carolina |
| 99 | Helen Boykin | 31 | Wife | Laborer | South Carolina |
| 100 | Thomas Boykin | 2 | 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)