MG
Mary Gardner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Mary Gardner across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting Creek |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Rafting Creek |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eulene Gardner | Daughter | — | 13 | ~1927 |
| Mary Gardner | Daughter | — | 12 | ~1928 |
| Bernice Gardner | Daughter | — | 8 | ~1932 |
| Sarah Gardner | Daughter | — | 21 | ~1919 |
| Robert Gardner | Head | — | 63 | ~1877 |
| Sarah Floyd | Other | — | 56 | ~1884 |
| Charlie Gardner | Son | — | 9 | ~1931 |
| Edward Gardner | Son | — | 11 | ~1929 |
| Robert Gardner | Son | — | 27 | ~1913 |
| Hampton Gardner | Son | — | 13 | ~1927 |
| Emma Gardner | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Sumter, South …
Daughter, age 5
Sumter, South Carolina · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Daughter, age 12
Sumter-County, South Carolina · implied b. ~1928 — 11 household members
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting Creek |
| 1935 Residence (County) | Sumter |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Gardner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gardner
Daughter · 1940 · age 12 · b. ~1928 · South Carolina
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Sibling
Edward Gardner
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Gardner
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Gardner
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Gardner
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hampton Gardner
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eulene Gardner
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Gardner
Sibling · 1940 · age 8
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
1940 US Federal Census — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03841-00538)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bouriguard Austin | 50 | Head | Farmer | South Carolina |
| 2 | Eunice Austin | 49 | Wife | — | South Carolina |
| 3 | Nathaniel Austin | 18 | Son | Farm Laborer | South Carolina |
| 4 | William Austin | 7 | Son | — | South Carolina |
| 5 | Edward Austin | 4 | Son | — | South Carolina |
| 6 | Alfonso Austin | 1 | Son | — | South Carolina |
| 7 | Alice Dinkins | 13 | Adopted daughter | — | South Carolina |
| 8 | Marion Lester | 45 | Head | Farmer | South Carolina |
| 9 | Belle Lester | 43 | Wife | — | South Carolina |
| 10 | Peter Maiter | 25 | Cousin | Farm Laborer | South Carolina |
| 11 | Jamie Maiter | 22 | Cousin | — | South Carolina |
| 12 | Franklin Maiter | 4 | Cousin | — | South Carolina |
| 13 | John Smith | 57 | Head | Farmer | South Carolina |
| 14 | Bella Smith | 55 | Wife | — | South Carolina |
| 15 | Andrew Smith | 13 | Son | — | South Carolina |
| 16 | Geneva Smith | 11 | Daughter | — | South Carolina |
| 17 | Rufus Holmes | 68 | Head | Farmer | South Carolina |
| 18 | Rena Holmes | 68 | Wife | — | South Carolina |
| 19 | Sumter Holmes | 26 | Son | Farm Laborer | South Carolina |
| 20 | Jamie Holmes | 24 | Daughter | — | South Carolina |
| 21 | Belle Holmes | 7 | Granddaughter | — | South Carolina |
| 22 | Edmund Holmes | 5 | Grandson | — | South Carolina |
| 23 | Robert Gardner | 63 | Head | Farmer | South Carolina |
| 24 | Emma Gardner | 50 | Wife | — | South Carolina |
| 25 | Robert Jr. Gardner | 27 | Son | Farm Laborer | South Carolina |
| 26 | Sarah Gardner | 21 | Daughter | Farm Laborer | South Carolina |
| 27 | Hampton Gardner | 13 | Son | — | South Carolina |
| 28 | Edward Gardner | 11 | Son | — | South Carolina |
| 29 | Charlie Gardner | 9 | Son | — | South Carolina |
| 30 | Eulene Gardner | 13 | Daughter | — | South Carolina |
| 31 | Mary Gardner THIS PERSON | 12 | Daughter | — | South Carolina |
| 32 | Bernice Gardner | 8 | Daughter | — | South Carolina |
| 33 | Sarah Floyd | 56 | Cousin | — | South Carolina |
| 34 | Isaac Holladay | 43 | Head | Farmer | South Carolina |
| 35 | Fakney Holladay | 40 | Wife | — | South Carolina |
| 36 | Mary Holladay | 19 | Daughter | Farm Laborer | South Carolina |
| 37 | Thomas Holladay | 17 | Son | Farm Laborer | South Carolina |
| 38 | Geraldine Holladay | 13 | Daughter | — | South Carolina |
| 39 | Jun Richardson | 5 | Nephew | — | South Carolina |
| 40 | Monk Richardson | 2 | Nephew | — | South Carolina |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)