MG
Mary Grant — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Mary Grant across the 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Industry | No |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Charleston City |
| Est. Birth Year | ~1890 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thelma Grant | Daughter | — | 9 | ~1931 |
| Mansfield Grant | Head | — | 50 | ~1890 |
| Willie Grant | Son | — | 19 | ~1921 |
| Mary Grant | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Charleston, South …
Spouse, age 26
Charleston, South Carolina · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| 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
Charleston, South …
Spouse, age 38
Charleston, South Carolina · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 18 |
| 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
Charleston-County, South …
Spouse, age 50
Charleston-County, South Carolina · implied b. ~1890 — 4 household members
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Industry | No |
| 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 Grant across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grant
Spouse · 1940 · age 50 · b. ~1890 · 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-t0627-03794-00863)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilfred Novit | 5 | Son | — | South Carolina |
| 2 | Tolton Rouch | 58 | Head | Carpenter | South Carolina |
| 3 | Yessie Rouch | 51 | Wife | — | South Carolina |
| 4 | Henrietta Rouch | 14 | Son | — | South Carolina |
| 5 | Edward Rouch | 13 | Son | — | South Carolina |
| 6 | Betty Rouch | 11 | Daughter | — | South Carolina |
| 7 | Herschel Rouch | 10 | Son | — | South Carolina |
| 8 | John Renau | 22 | Head | Boiler Operator | South Carolina |
| 9 | Christine Renau | 20 | Wife | — | South Carolina |
| 10 | John E. Jr. Renau | 2 | Son | — | South Carolina |
| 11 | Arthur Fuerst | 57 | Head | Proprietor | Austria |
| 12 | Irene Fuerst | 42 | Wife | — | Austria |
| 13 | Elizabeth Fuerst | 16 | Daughter | — | Austria |
| 14 | Ilse Fuerst | 12 | Daughter | — | Austria |
| 15 | Mansfield Grant | 50 | Head | — | South Carolina |
| 16 | Mary Grant THIS PERSON | 50 | Wife | — | South Carolina |
| 17 | Willie Grant | 19 | Son | — | South Carolina |
| 18 | Thelma Grant | 9 | Daughter | — | South Carolina |
| 19 | Naomi Glover | 40 | Head | Maid | Georgia |
| 20 | Lucius Glover | 21 | Son | Truck Driver | S.C. |
| 21 | Beatrice Coleman | 20 | Lodger | Maid | Georgia |
| 22 | Junius White | 27 | Head | Cement Finisher | Alabama |
| 23 | Sarah White | 20 | Wife | — | South Carolina |
| 24 | Barbara White | 3 | Daughter | — | South Carolina |
| 25 | Jessie Mae White | 2 | Daughter | — | South Carolina |
| 26 | James Jones | 24 | Lodger | Cement Finisher | Alabama |
| 27 | Helen Jones | 20 | Lodger | — | Louisiana |
| 28 | Jerry Richardson | 33 | Head | Cement Finisher | Florida |
| 29 | Angie Richardson | 31 | Wife | — | South Carolina |
| 30 | Josephine Dean | 56 | Head | — | South Carolina |
| 31 | Robert Smith | 9 | Lodger | — | South Carolina |
| 32 | Herbert Smith | 8 | Lodger | — | South Carolina |
| 33 | Arthur Lee Smith | 4 | Lodger | — | South Carolina |
| 34 | Joseph Living | 30 | Head | Carpenter | South Carolina |
| 35 | Viola Living | 26 | Wife | — | South Carolina |
| 36 | Rosalee Dean | 27 | Head | — | South Carolina |
| 37 | Mary Agnes Dean | 10 | Daughter | — | South Carolina |
| 38 | James Dean | 8 | Son | — | South Carolina |
| 39 | Christine Dean | 2 | Daughter | — | South Carolina |
| 40 | Robert Bailey | 35 | Head | Ship Tracker | 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)