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 1920, 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1875), then head of a 9-person household.
Age 65
b. ~1875
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 65 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting Creek |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Rafting Creek |
| Est. Birth Year | ~1875 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Bessie Gardner | Daughter | — | 25 | ~1915 |
| Staford Gardner | Head | — | 63 | ~1877 |
| Jessie Gardner | Other | — | 3 | ~1937 |
| Agnes Gardner | Other | — | 21 | ~1919 |
| Le Gardner | Other | — | ~1940 | |
| Rosebelle Gardner | Other | — | 2 | ~1938 |
| Pauline Gardner | Other | — | 5 | ~1935 |
| James Gardner | Son | — | 23 | ~1917 |
| Mary Gardner | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Sumter, South …
Spouse, age 42
Sumter, South Carolina · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Sumter, South …
Spouse, age 55
Sumter, South Carolina · implied b. ~1875 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 25 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Sumter-County, South …
Spouse, age 65
Sumter-County, South Carolina · implied b. ~1875 — 9 household members
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 65 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rafting Creek |
| 1935 Residence (County) | Sumter |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Gardner
Spouse · 1940 · age 65 · b. ~1875 · South Carolina
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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-t0627-03841-00542)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Collin Osborn | 50 | Head | Farmer | South Carolina |
| 2 | Emma Osborn | 46 | Wife | — | South Carolina |
| 3 | Helen Osborn | 26 | Daughter | Farm Laborer | South Carolina |
| 4 | Collin Jr Osborn | 13 | Son | — | South Carolina |
| 5 | Emma Osborn | 70 | Head | Farmer | South Carolina |
| 6 | Mike Osborn | 25 | Son | Farm Laborer | South Carolina |
| 7 | Hart Floyd | 72 | Head | Farm Laborer | South Carolina |
| 8 | Mary Floyd | 55 | Wife | — | South Carolina |
| 9 | John Smith | 73 | Head | — | South Carolina |
| 10 | Millie Smith | 70 | Wife | — | South Carolina |
| 11 | John Smith | 10 | Grandson | — | South Carolina |
| 12 | Maggie Smith | 6 | Granddaughter | — | South Carolina |
| 13 | Mary Stewart | 65 | Head | — | South Carolina |
| 14 | Lilah Rea | 66 | Head | Farmer | South Carolina |
| 15 | Edward Rea | 25 | Son | Farm Laborer | South Carolina |
| 16 | Rosa Lee Rea | 13 | Daughter | — | South Carolina |
| 17 | Mary Ella Rea | 11 | Daughter | — | South Carolina |
| 18 | Frank Chambers | 20 | Son | Farm Laborer | South Carolina |
| 19 | Marie Chambers | 13 | Daughter | — | South Carolina |
| 20 | Melvin Chambers | 11 | Grandson | — | South Carolina |
| 21 | Jamie Chambers | 9 | Grandson | — | South Carolina |
| 22 | Murray Osborn | 27 | Head | Farm Laborer | South Carolina |
| 23 | Lena Bell Osborn | 25 | Wife | — | South Carolina |
| 24 | Willie Osborn | 7 | Son | — | South Carolina |
| 25 | Marion Osborn | 5 | Son | — | South Carolina |
| 26 | Fanny Osborn | 3 | Daughter | — | South Carolina |
| 27 | Millie Osborn | 1 | Daughter | — | South Carolina |
| 28 | Staford Gardner | 63 | Head | — | South Carolina |
| 29 | Mary Gardner THIS PERSON | 65 | Wife | — | South Carolina |
| 30 | Bessie Gardner | 25 | Daughter | — | South Carolina |
| 31 | James Gardner | 23 | Son | Farmer | South Carolina |
| 32 | Agnes Gardner | 21 | Daughter-in-law | — | South Carolina |
| 33 | Pauline Gardner | 5 | Granddaughter | — | South Carolina |
| 34 | Jessie Gardner | 3 | Granddaughter | — | South Carolina |
| 35 | Rosebelle Gardner | 2 | Granddaughter | — | South Carolina |
| 36 | Le Van Gardner | 0 | Grandson | — | South Carolina |
| 37 | George Stewart | 21 | Head | Farm Laborer | South Carolina |
| 38 | Lucy Stewart | 18 | Wife | — | South Carolina |
| 39 | Mary Louise Stewart | 5 | Daughter | — | South Carolina |
| 40 | Maggie Jenkins | 13 | Cousin | — | South Carolina |
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)