MG
Mary Gardner — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Florence, South Carolina
Our Model Tree links this Mary Gardner across the 1920, 1930 and 1940 US Censuses in Florence, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 5-person household.
Age 25
b. ~1895
Female
Spouse
Born: South Carolina
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Florence, South Carolina |
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| 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 | Florence Township Excluding Florence Town Robert Precinct |
| Est. Birth Year | ~1895 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Gardner | Daughter | — | 5 | ~1915 |
| Early Gardner | Daughter | — | 7 | ~1913 |
| Webster Gardner | Head | — | 28 | ~1892 |
| Webster Gardner | Son | — | 2 | ~1918 |
| Mary Gardner | Spouse | — | 25 | ~1895 |
Census Appearances
1920
Florence, South …
Spouse, age 25
Florence, South Carolina · implied b. ~1895 — 5 household members
| Surname | Gardner |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| 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 |
1930
Florence, South …
Spouse, age 30
Florence, South Carolina · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Marion |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 15 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Florence-County, South …
Spouse, age 41
Florence-County, South Carolina · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Florence Township Not Outside |
| 1935 Residence (County) | Florence |
| Highest Grade | No 5 |
| 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 · 1920 · age 25 · b. ~1895 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Florence, South Carolina
Open full size
1920 US Federal Census — Florence, South Carolina
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1695unit:0820)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Linda Mccoy | 36 | Head | Laborer | South Carolina |
| 2 | Nathaniel Mccoy | 17 | Son | Laborer | South Carolina |
| 3 | Tony Mccoy | 14 | Son | Laborer | South Carolina |
| 4 | Netherine Mccoy | 11 | Daughter | — | South Carolina |
| 5 | Eddie Ross | 22 | Head | Laborer | South Carolina |
| 6 | Idell Ross | 21 | Wife | — | South Carolina |
| 7 | Mary Ross | 8 | Daughter | — | South Carolina |
| 8 | Kamper Ross | 0 | Son | — | South Carolina |
| 9 | Albert Smith | 40 | Head | Laborer | South Carolina |
| 10 | Rosa Smith | 35 | Wife | — | South Carolina |
| 11 | John Smith | 12 | Son | Laborer | South Carolina |
| 12 | Mary Smith | 10 | Daughter | — | South Carolina |
| 13 | Elizabeth Smith | 5 | Daughter | — | South Carolina |
| 14 | Boley Smith | 4 | Son | — | South Carolina |
| 15 | Jamie Smith | 3 | Daughter | — | South Carolina |
| 16 | Robert Smith | 1 | Son | — | South Carolina |
| 17 | Charles Lukes | 45 | Head | Farmer | South Carolina |
| 18 | Adelaide Lukes | 35 | Wife | — | South Carolina |
| 19 | Mary Louise Lukes | 12 | Daughter | — | South Carolina |
| 20 | Charles Jr Lukes | 7 | Son | — | South Carolina |
| 21 | Helen Lukes | 1 | Daughter | — | South Carolina |
| 22 | Amelia Lukes | 68 | Mother | — | Germany |
| 23 | Jessie Brockington | 23 | Head | Laborer | South Carolina |
| 24 | Corrine Brockington | 21 | Wife | — | South Carolina |
| 25 | Ira Son Brockington | 2 | Son | — | South Carolina |
| 26 | Annie Johnston | 40 | Head | Laborer | South Carolina |
| 27 | Bertie Johnston | 13 | Son | Laborer | South Carolina |
| 28 | Ellie Johnston | 10 | Daughter | — | South Carolina |
| 29 | Serena Johnston | 8 | Daughter | — | South Carolina |
| 30 | Frank Johnston | 4 | Son | — | South Carolina |
| 31 | Webster Gardner | 28 | Head | Farmer | South Carolina |
| 32 | Mary Gardner THIS PERSON | 25 | Wife | — | South Carolina |
| 33 | Early Gardner | 7 | Daughter | — | South Carolina |
| 34 | Jane Gardner | 5 | Daughter | — | South Carolina |
| 35 | Webster Gardner | 2 | Son | — | South Carolina |
| 36 | Walsh Johnston | 36 | Head | Laborer | South Carolina |
| 37 | Berton T Johnston | 15 | Son | Laborer | South Carolina |
| 38 | Ella Johnston | 13 | Daughter | Laborer | South Carolina |
| 39 | Suprema Johnston | 10 | Daughter | — | South Carolina |
| 40 | Frank Johnston | 8 | Son | — | South Carolina |
| 41 | Wilson Wright | 25 | Head | Farmer | South Carolina |
| 42 | Meta Wright | 21 | Wife | — | South Carolina |
| 43 | Fannie Askew | 40 | Head | Laborer | South Carolina |
| 44 | Essie Askew | 11 | Daughter | Laborer | South Carolina |
| 45 | Leona Askew | 10 | Daughter | — | South Carolina |
| 46 | Joseph Askew | 8 | Son | — | South Carolina |
| 47 | John Cannon | 23 | Head | Farmer | South Carolina |
| 48 | Louise Cannon | 19 | Wife | — | South Carolina |
| 49 | Pearl Cannon | 1 | Daughter | — | South Carolina |
| 50 | Lewis Johnston | 30 | 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)