MG
Mary Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Darlington, South Carolina
Our Model Tree links this Mary Gray across the 1920, 1930 and 1940 US Censuses in Darlington, South Carolina (XGBoost, ~Confirmed), with identified parents Joel & William — first a daughter (b.~1920), then head of a 6-person household.
Age 10
b. ~1920
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Darlington, South Carolina |
| Surname | Gray |
| Given Name | Mary Alva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Darlington Town Part |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Gray | Daughter | — | 24 | ~1906 |
| Virginia Gray | Daughter | — | 19 | ~1911 |
| Mary Gray | Daughter | — | 10 | ~1920 |
| Joel Gray | Head | — | 50 | ~1880 |
| Willard Gray | Son | — | 21 | ~1909 |
| Thelma Gray | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Darlington, South …
Daughter, age 1
Darlington, South Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| 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 |
1930
Darlington, South …
Daughter, age 10
Darlington, South Carolina · implied b. ~1920 — 6 household members
| Surname | Gray |
| Given Name | Mary Alva |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 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
Darlington-County, South …
Other, age 20
Darlington-County, South Carolina · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mamie |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lamar Township, Antioch District |
| 1935 Residence (County) | Darlington |
| Highest Grade | No 8 |
| 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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joel Gray (~0.92 confidence) and father William Gray (~0.92 confidence) and mother Thelma Gray (~0.92 confidence) and mother Lou Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joel Gray
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Gray
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Thelma Gray
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Lou Gray
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Gray
Daughter · 1930 · age 10 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Elizabeth Gray
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Gray
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Gray
Sibling · 1930 · age 19
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 — Darlington, South Carolina
Open full size
1930 US Federal Census — Darlington, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2194unit:0590)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward C. Dennis | 57 | Head | Lawyer | South Carolina |
| 2 | Blanche M. Dennis | 52 | Wife | — | South Carolina |
| 3 | Edward C. Jr. Dennis | 19 | Son | — | South Carolina |
| 4 | Blanche Moses Dennis | 17 | Daughter | — | South Carolina |
| 5 | Clifford Williams | 33 | Servant | Servant | South Carolina |
| 6 | Carrie S. Bunch | 33 | Head | Bookkeeper | South Carolina |
| 7 | Linnie M. Sykes | 66 | Mother | — | South Carolina |
| 8 | Rosa M. Fagan | 46 | Head | Teacher | South Carolina |
| 9 | Edwin Fagan | 17 | Son | — | South Carolina |
| 10 | Mary Hart Fagan | 14 | Daughter | — | South Carolina |
| 11 | Isaac M. Fagan | 12 | Son | — | South Carolina |
| 12 | Rosa Mcintosh | 80 | Mother | — | South Carolina |
| 13 | Christine Evans | 72 | Servant | — | South Carolina |
| 14 | Lula Robinson | 75 | Head | — | Ohio |
| 15 | Robert R. Baird | 29 | Boarder | Teacher | South Carolina |
| 16 | James S. Harrison | 67 | Head | Farmer | South Carolina |
| 17 | Annie G. Harrison | 60 | Wife | — | South Carolina |
| 18 | Mary Dickinson | 38 | Daughter | — | South Carolina |
| 19 | Frank Barley | 38 | Boarder | — | South Carolina |
| 20 | Clarence Swink | 58 | Head | Bookkeeper | South Carolina |
| 21 | Jessie E. Swink | 52 | Wife | — | South Carolina |
| 22 | Ethel Swink | 20 | Daughter | — | South Carolina |
| 23 | James Swink | 16 | Son | — | South Carolina |
| 24 | Alva Byrd | 58 | Head | Agent | South Carolina |
| 25 | Liza Byrd | 52 | Wife | — | South Carolina |
| 26 | Ruth Byrd | 19 | Daughter | — | South Carolina |
| 27 | Bob Hutchinson | 58 | Head | Master Of | South Carolina |
| 28 | Theresa Hutchinson | 53 | Wife | — | South Carolina |
| 29 | Winona Hutchinson | 30 | Son | Bookkeeper | South Carolina |
| 30 | Edward Hutchinson | 23 | Son | Bookkeeper | South Carolina |
| 31 | Frank Hutchinson | 17 | Son | — | South Carolina |
| 32 | Joel W. Gray | 50 | Head | Doctor | South Carolina |
| 33 | Thelma G. Gray | 42 | Wife | — | South Carolina |
| 34 | Elizabeth Gray | 24 | Daughter | — | South Carolina |
| 35 | Willard Gray | 21 | Son | Journalist | South Carolina |
| 36 | Virginia Gray | 19 | Daughter | — | South Carolina |
| 37 | Mary Alva Gray THIS PERSON | 10 | Daughter | — | South Carolina |
| 38 | Cleveland Jordan | 33 | Head | Laborer | South Carolina |
| 39 | Adna Jordan | 20 | Wife | — | South Carolina |
| 40 | Alva Lee Jordan | 5 | Daughter | — | South Carolina |
| 41 | Blanche Jordan | 3 | Daughter | — | South Carolina |
| 42 | Dorothy Jordan | 2 | Daughter | — | South Carolina |
| 43 | Cleveland Jr. Jordan | 0 | Son | — | South Carolina |
| 44 | Thomas Rush | 60 | Head | Laborer | South Carolina |
| 45 | Frances Rush | 70 | Wife | — | South Carolina |
| 46 | David Jones | 48 | Head | Laborer | South Carolina |
| 47 | Ethel Jones | 27 | Wife | — | South Carolina |
| 48 | Allie May Jones | 16 | Daughter | Cook | South Carolina |
| 49 | Mckinley Jones | 13 | Son | — | South Carolina |
| 50 | John Wesley Jones | 10 | Son | — | South Carolina |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 4 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)