MM
Mary Mack — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, None
Our Model Tree links this Mary Mack across the 1910 and 1920 US Censuses (XGBoost, ~Confirmed) — first a daughter (b.~1901), then head of a 13-person household.
Age 19
b. ~1901
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, None |
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| 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 | Johnsonville Town |
| Est. Birth Year | ~1901 |
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.
13 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ollie Mack | Daughter | — | 16 | ~1904 |
| Betsy Mack | Spouse | — | 22 | ~1898 |
| Emma Mack | Daughter | — | 14 | ~1906 |
| Mary Mack | Daughter | — | 19 | ~1901 |
| Julia Mack | Daughter | — | 9 | ~1911 |
| Catherine Mack | Daughter | — | 20 | ~1900 |
| Nelson Mack | Son | — | 4 | ~1916 |
| Jeff Mack | Son | — | 11 | ~1909 |
| David Mack | Head | — | 41 | ~1879 |
| Delia Mack | Daughter | — | 6 | ~1914 |
| Lois Mack | Daughter | — | 12 | ~1908 |
| Ronnie Mack | Son | — | 9 | ~1911 |
| Adam Mack | Son | — | 19 | ~1901 |
Census Appearances
1910
None, None
Daughter, age 11
None, None · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm 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 |
1920
None, None
Daughter, age 19
None, None · implied b. ~1901 — 13 household members
| Surname | Mack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| 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 None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mack
Daughter · 1920 · age 19 · b. ~1901 · None
★ You are viewing this record
Sibling
Nelson Mack
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mack
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mack
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronnie Mack
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Mack
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delia Mack
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Mack
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ollie Mack
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeff Mack
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Mack
Sibling · 1920 · age 14
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 — None, None
Open full size
1920 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1712unit:0476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Flossie Mccown | 16 | Daughter | Farm Laborer | South Carolina |
| 52 | Dave Mccown | 22 | Son | Farm Laborer | South Carolina |
| 53 | Edna Mccown | 24 | Daughter | Farm Laborer | South Carolina |
| 54 | Sam Alston | 43 | Head | Farming | South Carolina |
| 55 | Sena Alston | 41 | Wife | — | South Carolina |
| 56 | Temple Alston | 12 | Cousin | — | South Carolina |
| 57 | Brenda Alston | 16 | Cousin | — | South Carolina |
| 58 | Dora Alston | 19 | Cousin | — | South Carolina |
| 59 | Aaron Alston | 27 | Half brother | Farm Laborer | South Carolina |
| 60 | Milton Flagler | 47 | Head | Farmer | South Carolina |
| 61 | Flora Flagler | 36 | Wife | — | South Carolina |
| 62 | Nattie Flagler | 21 | Son | Farm Laborer | South Carolina |
| 63 | Jesse Flagler | 18 | Son | Farm Laborer | South Carolina |
| 64 | James Flagler | 17 | Son | — | South Carolina |
| 65 | Rosetta Flagler | 12 | Daughter | — | South Carolina |
| 66 | Ellen Flagler | 10 | Daughter | — | South Carolina |
| 67 | Louisa Flagler | 8 | Daughter | — | South Carolina |
| 68 | Fannie Flagler | 6 | Daughter | — | South Carolina |
| 69 | Mildred Flagler | 4 | Daughter | — | South Carolina |
| 70 | Isaac Mason | 34 | Head | Farm Laborer | South Carolina |
| 71 | Pharo Davis | 26 | Head | Farm Laborer | South Carolina |
| 72 | Minnie Davis | 11 | Daughter | — | South Carolina |
| 73 | Mary Davis | 8 | Daughter | — | South Carolina |
| 74 | Baxter Davis | 5 | Son | — | South Carolina |
| 75 | Leila Davis | 3 | Daughter | — | South Carolina |
| 76 | Arthur Green | 33 | Head | Farmer | South Carolina |
| 77 | Mary Green | 30 | Wife | — | South Carolina |
| 78 | David Mack | 41 | Head | Farmer | South Carolina |
| 79 | Betsy Mack | 22 | Wife | — | South Carolina |
| 80 | Catherine Mack | 20 | Daughter | — | South Carolina |
| 81 | Adam Mack | 19 | Son | Farm Laborer | South Carolina |
| 82 | Mary Mack THIS PERSON | 19 | Daughter | — | South Carolina |
| 83 | Ollie B Mack | 16 | Daughter | — | South Carolina |
| 84 | Emma Mack | 14 | Daughter | — | South Carolina |
| 85 | Jeff Mack | 11 | Son | — | South Carolina |
| 86 | Lois Mack | 12 | Daughter | — | South Carolina |
| 87 | Ronnie Mack | 9 | Son | — | South Carolina |
| 88 | Julia Mack | 9 | Daughter | — | South Carolina |
| 89 | Delia Mack | 6 | Daughter | — | South Carolina |
| 90 | Nelson Mack | 4 | Son | — | South Carolina |
| 91 | Henry Fullmore | 39 | Head | Farmer | South Carolina |
| 92 | Mittie Fullmore | 38 | Wife | — | South Carolina |
| 93 | Alex Fullmore | 7 | Son | — | South Carolina |
| 94 | Violet Fullmore | 5 | Daughter | — | South Carolina |
| 95 | Morgan Fullmore | 3 | Son | — | South Carolina |
| 96 | Rebecca Fullmore | 1 | Daughter | — | South Carolina |
| 97 | Queen Mason | 16 | Step daughter | — | South Carolina |
| 98 | Jack Mason | 12 | Step son | — | South Carolina |
| 99 | Nellie Mason | 11 | Step son | — | South Carolina |
| 100 | Julius Fullmore | 49 | Head | Farm Laborer | South Carolina |
Related Census Records
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)