MB
Mary Blackwell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Spartanburg, South Carolina
Our Model Tree links this Mary Blackwell across the 1910 and 1920 US Censuses in Spartanburg, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 8-person household.
Age 13
b. ~1907
Female
Daughter
Born: South Carolina
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Spartanburg, South Carolina |
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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 | Beech Spring Township |
| 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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Clarence Blackwell | Son | — | 5 | ~1915 |
| Ruth Blackwell | Daughter | — | 8 | ~1912 |
| Martha Proctor | Other | — | 66 | ~1854 |
| Mary Blackwell | Daughter | — | 13 | ~1907 |
| Lois Blackwell | Daughter | — | 11 | ~1909 |
| Martha Blackwell | Spouse | — | 36 | ~1884 |
| Andy Blackwell | Head | — | 36 | ~1884 |
| Gomila Blackwell | Son | — | 2 | ~1918 |
Census Appearances
1910
Spartanburg, South …
Daughter, age 3
Spartanburg, South Carolina · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| 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
Spartanburg, South …
Daughter, age 13
Spartanburg, South Carolina · implied b. ~1907 — 8 household members
| Surname | Blackwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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 Blackwell across 2 US Census years (1910 and 1920) in Spartanburg, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackwell
Daughter · 1920 · age 13 · b. ~1907 · South Carolina
★ You are viewing this record
Sibling
Ruth Blackwell
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gomila Blackwell
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Blackwell
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Blackwell
Sibling · 1920 · age 11
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 — Spartanburg, South Carolina
Open full size
1920 US Federal Census — Spartanburg, South Carolina
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu1710unit:0242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | S. Alex Wings | 61 | Head | Labour | South Carolina |
| 2 | Sallie Wings | 70 | Sister | Farmer | South Carolina |
| 3 | Sarah Wings | 56 | Sister | — | South Carolina |
| 4 | Emily Wings | 16 | Niece | — | South Carolina |
| 5 | J. Thompson Hammett | 44 | Head | Farmer | South Carolina |
| 6 | Maggie Hammett | 38 | Wife | — | South Carolina |
| 7 | C. Minnie Hammett | 21 | Daughter | Labourer | South Carolina |
| 8 | E. Myrtle Hammett | 19 | Daughter | Labourer | South Carolina |
| 9 | J. Albert Hammett | 17 | Son | Labourer | South Carolina |
| 10 | Walter Hammett | 15 | Son | Labourer | South Carolina |
| 11 | O. Leo Hammett | 13 | Daughter | — | South Carolina |
| 12 | F. Ruby Hammett | 11 | Daughter | — | South Carolina |
| 13 | A. Mattie Hammett | 9 | Daughter | — | South Carolina |
| 14 | S. Boris Hammett | 6 | Son | — | South Carolina |
| 15 | S. Henry Foster | 46 | Head | Farmer | South Carolina |
| 16 | Elizabeth Foster | 43 | Wife | — | South Carolina |
| 17 | Willie Foster | 17 | Son | Labourer | South Carolina |
| 18 | Minnie Foster | 14 | Daughter | Labourer | South Carolina |
| 19 | Helen Foster | 10 | Daughter | — | South Carolina |
| 20 | Ruth Foster | 7 | Daughter | — | South Carolina |
| 21 | Oscar Foster | 5 | Son | — | South Carolina |
| 22 | Roy Foster | 3 | Son | — | South Carolina |
| 23 | M. Carrie Foster | 1 | Grand Daughter | — | South Carolina |
| 24 | C. Mitchell Waters | 70 | Head | Farmer | South Carolina |
| 25 | M. Jane Waters | 76 | Wife | — | South Carolina |
| 26 | C. Ollie Tennyson | 43 | Head | Farmer | South Carolina |
| 27 | B. Celia Tennyson | 46 | Wife | — | South Carolina |
| 28 | M. Willie Tennyson | 17 | Daughter | — | South Carolina |
| 29 | George Tennyson | 15 | Son | Labourer | South Carolina |
| 30 | Ruby Tennyson | 12 | Daughter | — | South Carolina |
| 31 | Reese Tennyson | 10 | Son | — | South Carolina |
| 32 | J. Melvin Hodge | 37 | Head | Farmer | South Carolina |
| 33 | S. Julia Hodge | 37 | Wife | — | South Carolina |
| 34 | Leonard Hodge | 9 | Son | Labourer | South Carolina |
| 35 | M. Barnie Hodge | 8 | Son | — | South Carolina |
| 36 | B. John Miller | 28 | Head | Farmer | South Carolina |
| 37 | Nell Miller | 27 | Wife | — | South Carolina |
| 38 | E. Annie Miller | 6 | Daughter | — | South Carolina |
| 39 | Vivian Miller | 4 | Daughter | — | South Carolina |
| 40 | Hilda Miller | 1 | Daughter | — | South Carolina |
| 41 | Andy Blackwell | 36 | Head | Farmer | South Carolina |
| 42 | Martha Blackwell | 36 | Wife | Labourer | South Carolina |
| 43 | Mary Blackwell THIS PERSON | 13 | Daughter | — | South Carolina |
| 44 | Lois Blackwell | 11 | Daughter | — | South Carolina |
| 45 | Ruth Blackwell | 8 | Daughter | — | South Carolina |
| 46 | Clarence Blackwell | 5 | Son | — | South Carolina |
| 47 | Gomila Blackwell | 2 | Son | — | South Carolina |
| 48 | Martha Proctor | 66 | Mother in law | — | South Carolina |
| 49 | Benson Linsley | 43 | Head | Farmer | 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)