MC
Mary Cox — 1930 US Census Record
Model Tree available1930 United States Federal Census · Florence, South Carolina
Our Model Tree links this Mary Cox across the 1920, 1930 and 1940 US Censuses in Florence, South Carolina (XGBoost, ~Confirmed), with identified parents Euld & William — first a daughter (b.~1912), then head of a 4-person household.
Age 18
b. ~1912
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Florence, South Carolina |
| Surname | Cox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Pee Dee Township |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dora Cox | Daughter | — | 20 | ~1910 |
| Mary Cox | Daughter | — | 18 | ~1912 |
| Euld Cox | Head | — | 60 | ~1870 |
| James Cox | Son | — | 29 | ~1901 |
Census Appearances
1920
Darlington, South …
Daughter, age 7
Darlington, South Carolina · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| 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 |
1930
Florence, South …
Daughter, age 18
Florence, South Carolina · implied b. ~1912 — 4 household members
| Surname | Cox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Florence-County, South …
Spouse, age 26
Florence-County, South Carolina · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Marie |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lake Township |
| 1935 Residence (County) | Florence |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Highest Grade | No 10 |
| 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 Cox across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Euld Cox (~0.92 confidence) and father William Cox (~0.92 confidence) and mother Letha Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Euld Cox
b. ~1870
Source father
● Household
· direct · ~0.92
Father
William Cox
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Letha Cox
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cox
Daughter · 1930 · age 18 · b. ~1912 · South Carolina
★ You are viewing this record
Sibling
Dora Cox
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cox
Sibling · 1930 · age 29
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
1930 US Federal Census — Florence, South Carolina
Open full size
1930 US Federal Census — Florence, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2197unit:0544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Belin | 7 | Daughter | — | South Carolina |
| 2 | Luther Belin | 32 | Head | Farmer | South Carolina |
| 3 | Luender Belin | 29 | Wife | — | South Carolina |
| 4 | Clarence Belin | 18 | Son | Farm Laborer | South Carolina |
| 5 | Emley Belin | 16 | Son | Farm Laborer | South Carolina |
| 6 | Julius Belin | 13 | Son | Farm Laborer | South Carolina |
| 7 | Ruth Lee Belin | 7 | Daughter | — | South Carolina |
| 8 | Theo J Belin | 5 | Daughter | — | South Carolina |
| 9 | Alma Belin | 3 | Daughter | — | South Carolina |
| 10 | Mazafona Belin | 1 | Daughter | — | South Carolina |
| 11 | Mitchel Durant | 30 | Head | Farmer | South Carolina |
| 12 | Mary Durant | 29 | Wife | — | South Carolina |
| 13 | Halley Durant | 8 | Son | — | South Carolina |
| 14 | Lizzie Durant | 6 | Daughter | — | South Carolina |
| 15 | Alnese Durant | 6 | Daughter | — | South Carolina |
| 16 | Mildred Durant | 5 | Daughter | — | South Carolina |
| 17 | Ella M Durant | 2 | Daughter | — | South Carolina |
| 18 | Tesla Durant | 0 | Daughter | — | South Carolina |
| 19 | Mary Curtian | 54 | Sister | — | South Carolina |
| 20 | Dorothy Curtian | 7 | Niece | — | South Carolina |
| 21 | Josette Williams | 17 | Nephew | Farm Laborer | South Carolina |
| 22 | Miller Durant | 43 | Head | Farmer | South Carolina |
| 23 | Hattie Durant | 40 | Wife | — | South Carolina |
| 24 | Emily Williams | 80 | Mother-in-law | — | South Carolina |
| 25 | David Davis | 54 | Head | Farmer | South Carolina |
| 26 | Safonia Davis | 37 | Wife | — | Florida |
| 27 | Sampson Davis | 17 | Son | Farm Laborer | Florida |
| 28 | Ruby Davis | 15 | Daughter | Farm Laborer | Florida |
| 29 | Fred Davis | 13 | Son | Farm Laborer | Florida |
| 30 | Elidit Davis | 11 | Daughter | Farm Laborer | Florida |
| 31 | Jalin Eaddy | 53 | Head | Farmer | South Carolina |
| 32 | Laura Eaddy | 30 | Wife | — | South Carolina |
| 33 | Jangie Eaddy | 19 | Son | Farm Laborer | South Carolina |
| 34 | Bernie Eaddy | 14 | Son | Farm Laborer | South Carolina |
| 35 | Mary Eaddy | 13 | Daughter | Farm Laborer | South Carolina |
| 36 | Thomas J Eaddy | 61 | Head | — | South Carolina |
| 37 | Josephine C Eaddy | 64 | Wife | — | South Carolina |
| 38 | Frank S Eaddy | 41 | Son | Farmer | South Carolina |
| 39 | Harry S Eaddy | 29 | Son | — | South Carolina |
| 40 | Gladis Eaddy | 26 | Daughter | — | South Carolina |
| 41 | Edieth W Poston | 19 | Granddaughter | Farm Laborer | South Carolina |
| 42 | Pearly Poston | 17 | Grandson | Farm Laborer | South Carolina |
| 43 | Euld L Cox | 60 | Head | Farmer | South Carolina |
| 44 | James W Cox | 29 | Son | Farm Laborer | South Carolina |
| 45 | Dora L Cox | 20 | Daughter | Farm Laborer | South Carolina |
| 46 | Mary E Cox THIS PERSON | 18 | Daughter | Farm Laborer | South Carolina |
| 47 | The Elias | 46 | Head | Farmer | South Carolina |
| 48 | Julia Elias | 24 | Wife | — | South Carolina |
| 49 | Vander L Elias | 17 | Son | Farm Laborer | South Carolina |
| 50 | Mell Elias | 13 | Daughter | Farm Laborer | South Carolina |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)