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Mary Mack — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Clarendon, South Carolina
Our Model Tree links this Mary Mack across the 1910 and 1920 US Censuses in Clarendon, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 10-person household.
Age 17
b. ~1903
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clarendon, South Carolina |
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St James Town Ship Part Of |
| Est. Birth Year | ~1903 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Johnson Mack | Son | — | 8 | ~1912 |
| Lillie Mack | Daughter | — | 18 | ~1902 |
| Mary Mack | Spouse | — | 50 | ~1870 |
| Paul Mack | Son | — | 13 | ~1907 |
| Ruthie Mack | Son | — | 16 | ~1904 |
| Mary Mack | Daughter | — | 17 | ~1903 |
| Wesley Mack | Son | — | 21 | ~1899 |
| Daisy Mack | Daughter | — | 7 | ~1913 |
| Peter Mack | Head | — | 55 | ~1865 |
| Hattie Mack | Daughter | — | 10 | ~1910 |
Census Appearances
1910
Clarendon, South …
Daughter, age 7
Clarendon, South Carolina · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mell |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Clarendon, South …
Daughter, age 17
Clarendon, South Carolina · implied b. ~1903 — 10 household members
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| 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 Mary Mack across 2 US Census years (1910 and 1920) in Clarendon, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mack
Daughter · 1920 · age 17 · b. ~1903 · South Carolina
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Sibling
Lillie Mack
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Mack
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Mack
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnson Mack
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Mack
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruthie Mack
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Mack
Sibling · 1920 · age 7
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 — Clarendon, South Carolina
Open full size
1920 US Federal Census — Clarendon, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1691unit:0586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Tiller | 27 | Head | Farmer | South Carolina |
| 2 | Lula Tiller | 22 | Wife | — | South Carolina |
| 3 | Dewey Tiller | 7 | Son | — | South Carolina |
| 4 | Frank Tiller | 3 | Son | — | South Carolina |
| 5 | Viola Tiller | 1 | Daughter | — | South Carolina |
| 6 | Howard Tiller | 0 | Son | — | South Carolina |
| 7 | Thomas Dixon | 60 | Head | Farmer | South Carolina |
| 8 | Mary Dixon | 45 | Wife | — | South Carolina |
| 9 | Leslie Dixon | 24 | Daughter | — | South Carolina |
| 10 | Martha Dixon | 12 | Daughter | — | South Carolina |
| 11 | George Dixon | 10 | Son | — | South Carolina |
| 12 | Henry Dixon | 8 | Son | — | South Carolina |
| 13 | James Dixon | 6 | Son | — | South Carolina |
| 14 | Thomas Quigley | 45 | Head | Farmer | South Carolina |
| 15 | Susan Quigley | 40 | Wife | — | South Carolina |
| 16 | Oliver Quigley | 18 | Son | — | South Carolina |
| 17 | Irene Quigley | 16 | Daughter | — | South Carolina |
| 18 | Sarah Quigley | 14 | Daughter | — | South Carolina |
| 19 | Thomas Quigley | 12 | Son | — | South Carolina |
| 20 | Hattie Quigley | 10 | Daughter | — | South Carolina |
| 21 | Alma Quigley | 8 | Daughter | — | South Carolina |
| 22 | Levi Quigley | 6 | Son | — | South Carolina |
| 23 | Joe Quigley | 4 | Son | — | South Carolina |
| 24 | James Quigley | 2 | Son | — | South Carolina |
| 25 | James Ward | 37 | Head | Farmer | South Carolina |
| 26 | Bessie Ward | 37 | Wife | — | South Carolina |
| 27 | Eva Ward | 12 | Daughter | — | South Carolina |
| 28 | Lila Ward | 10 | Daughter | — | South Carolina |
| 29 | Grady Ward | 8 | Son | — | South Carolina |
| 30 | James Ward | 6 | Son | — | South Carolina |
| 31 | Leona Ward | 4 | Daughter | — | South Carolina |
| 32 | Peter Mack | 55 | Head | Farmer | South Carolina |
| 33 | Mary Mack | 50 | Wife | — | South Carolina |
| 34 | Lillie Mack | 18 | Daughter | — | South Carolina |
| 35 | Mary Mack THIS PERSON | 17 | Daughter | — | South Carolina |
| 36 | Paul Mack | 13 | Son | — | South Carolina |
| 37 | Hattie Mack | 10 | Daughter | — | South Carolina |
| 38 | Johnson Mack | 8 | Son | — | South Carolina |
| 39 | Wesley Mack | 21 | Son | — | South Carolina |
| 40 | Ruthie Mack | 16 | Son | — | South Carolina |
| 41 | Daisy Mack | 7 | Daughter | — | South Carolina |
| 42 | Gilbert Johnson | 24 | Head | Farmer | South Carolina |
| 43 | Isabelle Johnson | 26 | Wife | — | South Carolina |
| 44 | Raynold Johnson | 4 | Son | — | South Carolina |
| 45 | Beamer Johnson | 2 | Daughter | — | South Carolina |
| 46 | Lillie Johnson | 0 | Daughter | — | South Carolina |
| 47 | Edward Walker | 28 | Head | Farmer | South Carolina |
| 48 | Manda Walker | 28 | Wife | — | South Carolina |
| 49 | Abe Walker | 12 | Son | — | South Carolina |
| 50 | Martha Walker | 8 | Daughter | — | 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)