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Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Gray |
| Given Name | Martha B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston city |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Charleston City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Robert Gray | Son | — | ~1940 | |
| Andrew Gray | Daughter | — | 10 | ~1930 |
| Martha Gray | Spouse | — | 28 | ~1912 |
| Andrew Gray | Head | — | 31 | ~1909 |
| Marthalee Gray | Daughter | — | 8 | ~1932 |
| Andrew Gray | Son | — | 2 | ~1938 |
Census Appearances
1930
Charleston, South …
Daughter, age 18
Charleston, South Carolina · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| 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
Charleston-County, South …
Spouse, age 28
Charleston-County, South Carolina · implied b. ~1912 — 6 household members
| Surname | Gray |
| Given Name | Martha B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston city |
| 1935 Residence (County) | Charleston |
| Highest Grade | H 2 |
| 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 Martha Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Spouse · 1940 · age 28 · b. ~1912 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03794-00773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Gray | 31 | Head | Laborer | South Carolina |
| 2 | Martha B. Gray THIS PERSON | 28 | Wife | — | South Carolina |
| 3 | Andrew Gray | 10 | Daughter | — | South Carolina |
| 4 | Marthalee Gray | 8 | Daughter | — | South Carolina |
| 5 | Andrew Jr. Gray | 2 | Son | — | South Carolina |
| 6 | Robert Gray | 0 | Son | — | South Carolina |
| 7 | Daniel Rhodes | 50 | Head | Janitor | South Carolina |
| 8 | Alice Rhodes | 48 | Wife | — | South Carolina |
| 9 | Thelma Rhodes | 19 | Daughter | Housemaid | South Carolina |
| 10 | Henrietta Rhodes | 15 | Daughter | — | South Carolina |
| 11 | Martha Rhodes | 12 | Daughter | — | South Carolina |
| 12 | Alice Jr. Rhodes | 10 | Daughter | — | South Carolina |
| 13 | Bertha Wilson | 28 | Daughter | Housemaid | South Carolina |
| 14 | Marguerite Lewis | 23 | Daughter | Housemaid | South Carolina |
| 15 | Edna Lewis | 7 | Daughter | — | South Carolina |
| 16 | Arthur Lewis | 6 | Granddaughter | — | South Carolina |
| 17 | Frank Lewis | 5 | Grandson | — | South Carolina |
| 18 | Jackson Rhodes | 29 | Head | Laborer | South Carolina |
| 19 | Eleadora Rhodes | 24 | Wife | — | South Carolina |
| 20 | Jack B. Rhodes | 6 | Son | — | South Carolina |
| 21 | Deloris Rhodes | 4 | Daughter | — | South Carolina |
| 22 | Daniel Rhodes | 1 | Son | — | South Carolina |
| 23 | Anna Campbell | 67 | Head | — | South Carolina |
| 24 | Mary Boags | 22 | Daughter | Housemaid | South Carolina |
| 25 | N. Scott | 50 | Lodger | Laborer | South Carolina |
| 26 | Washington Scott | 16 | Lodger | Laborer | South Carolina |
| 27 | Willie Aiken | 24 | Head | Stevedore | South Carolina |
| 28 | Irvin Hearn | 35 | Head | Truck Driver | South Carolina |
| 29 | Victoria Hearn | 32 | Wife | — | South Carolina |
| 30 | Thelma Hearn | 15 | Daughter | — | South Carolina |
| 31 | Edna Hearn | 9 | Daughter | — | South Carolina |
| 32 | Harry Hearn | 7 | Son | — | South Carolina |
| 33 | Marthalee Hearn | 3 | Daughter | — | South Carolina |
| 34 | Louis Hearn | 1 | Son | — | South Carolina |
| 35 | Jacob Simmons | 39 | Head | Laborer | South Carolina |
| 36 | Emily Simmons | 38 | Wife | Housewife | South Carolina |
| 37 | Gracie Fullmore | 31 | Lodger | — | South Carolina |
| 38 | Evelyn Middleton | 31 | Head | — | South Carolina |
| 39 | Jack Capers | 37 | Head | Stevedore | South Carolina |
| 40 | Anna Capers | 30 | Wife | — | 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)