WM
William Mack — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Sumter, South Carolina
Our Model Tree links this William Mack across the 1900 and 1910 US Censuses in Sumter, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1895), then head of a 10-person household.
Age 5
b. ~1895
Male
Son
Born: South Carolina
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Sumter, South Carolina |
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | Feb |
| Birth Year | 1895 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Privateer Township |
| Est. Birth Year | ~1895 |
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.
10 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mack | Son | — | 5 | ~1895 |
| Flora Mack | Spouse | — | 37 | ~1863 |
| Horace Mack | Son | — | 18 | ~1882 |
| Wallace Mack | Son | — | 17 | ~1883 |
| Eva Mack | Daughter | — | 8 | ~1892 |
| Julia Mack | Daughter | — | 3 | ~1897 |
| Allie Mack | Son | — | 13 | ~1887 |
| Anna Mack | Daughter | — | 12 | ~1888 |
| Sampson Mack | Head | — | 39 | ~1861 |
| Maggie Mack | Daughter | — | 1 | ~1899 |
Census Appearances
1900
Sumter, South …
Son, age 5
Sumter, South Carolina · implied b. ~1895 — 10 household members
| Surname | Mack |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | Feb |
| Birth Year | 1895 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1910
Sumter, South …
Son, age 17
Sumter, South Carolina · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 Mack across 2 US Census years (1900 and 1910) in Sumter, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
William Mack
Son · 1900 · age 5 · b. ~1895 · South Carolina
★ You are viewing this record
Sibling
Horace Mack
Sibling · 1900 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mack
Sibling · 1900 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allie Mack
Sibling · 1900 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Mack
Sibling · 1900 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Mack
Sibling · 1900 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Mack
Sibling · 1900 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mack
Sibling · 1900 · age 12
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
1900 US Federal Census — Sumter, South Carolina
Open full size
1900 US Federal Census — Sumter, South Carolina
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1543unit:0338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Plenty Ford | 70 | Head | Farmer | South Carolina |
| 2 | Harriet Ford | 26 | Daughter | Farm Laborer | South Carolina |
| 3 | Alberta Ford | 8 | Grand dau | — | South Carolina |
| 4 | Harrison Ford | 5 | Grand son | — | South Carolina |
| 5 | Clarence Ford | 2 | Grand son | — | South Carolina |
| 6 | Augustus Jones | 67 | Head | Farmer | South Carolina |
| 7 | Sicky Jones | 50 | Wife | — | South Carolina |
| 8 | William Jones | 12 | Son | Farm Laborer | South Carolina |
| 9 | Mary Jones | 10 | Daughter | Farm Laborer | South Carolina |
| 10 | Katie Jones | 8 | Daughter | — | South Carolina |
| 11 | Elijah Jones | 4 | Son | — | South Carolina |
| 12 | Henson Jones | 24 | Head | Farmer | South Carolina |
| 13 | Eliza Jones | None | Wife | — | South Carolina |
| 14 | Ransom Jones | None | Son | — | South Carolina |
| 15 | Thomas Ford | 29 | Head | Farmer | South Carolina |
| 16 | Catherine Ford | None | Wife | — | South Carolina |
| 17 | Elizabeth Ford | 8 | Daughter | — | South Carolina |
| 18 | Walter Ford | 5 | Son | — | South Carolina |
| 19 | Earnest Ford | 3 | Son | — | South Carolina |
| 20 | Callie Wells | 52 | Head | Land Lady | South Carolina |
| 21 | W. Lathrop Worth | 48 | Head | Farmer | South Carolina |
| 22 | Mary R. Worth | 46 | Wife | — | South Carolina |
| 23 | Onina Worth | 20 | Daughter | — | South Carolina |
| 24 | Leroy Worth | 18 | Son | At School | South Carolina |
| 25 | Amountha Worth | 15 | Daughter | At School | South Carolina |
| 26 | Maud S. Worth | 13 | Daughter | At School | South Carolina |
| 27 | Corinne Worth | 10 | Daughter | At School | South Carolina |
| 28 | Marion Worth | 8 | Son | At School | South Carolina |
| 29 | Archie C. Worth | 6 | Son | — | South Carolina |
| 30 | Julia Riley | 45 | Servant | Cook | South Carolina |
| 31 | R. G. Riley | 15 | Servant | Farm Laborer | South Carolina |
| 32 | Hammond Ford | 16 | Servant | Farm Laborer | South Carolina |
| 33 | William Blair | 31 | Head | Farmer | South Carolina |
| 34 | Martha Blair | 25 | Wife | — | South Carolina |
| 35 | James Blair | 5 | Son | — | South Carolina |
| 36 | Keels Blair | 2 | Son | — | South Carolina |
| 37 | Sampson Mack | 38 | Head | Farmer | South Carolina |
| 38 | Flora Mack | 36 | Wife | — | South Carolina |
| 39 | Horace Mack | 17 | Son | Farm Laborer | South Carolina |
| 40 | Wallace Mack | 16 | Son | Farm Laborer | South Carolina |
| 41 | Allie Mack | 12 | Son | Farm Laborer | South Carolina |
| 42 | Anna B. Mack | 11 | Daughter | Farm Laborer | South Carolina |
| 43 | Eva Mack | 7 | Daughter | At School | South Carolina |
| 44 | William Mack THIS PERSON | 5 | Son | — | South Carolina |
| 45 | Julia Mack | 3 | Daughter | — | South Carolina |
| 46 | Maggie Mack | None | Daughter | — | South Carolina |
| 47 | W. H. Wells | 27 | Head | Farmer | South Carolina |
| 48 | Annie Wells | 33 | Wife | — | South Carolina |
| 49 | Snow Wells | 2 | Daughter | — | South Carolina |
| 50 | Rhita Wells | 1 | Daughter | — | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)