MG
Mary Grant — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charleston, South Carolina
Our Model Tree links this Mary Grant across the 1910, 1920 and 1930 US Censuses in Charleston, South Carolina (XGBoost, ~Confirmed), with identified parents Thomas & Stepney — first a daughter (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Charleston, South Carolina |
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | St Andrews Township |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Grant | Daughter | — | 20 | ~1910 |
| Asbury Grant | Daughter | — | 10 | ~1920 |
| John Grant | Head | — | 40 | ~1890 |
| Nancy Grolam | Other | — | 88 | ~1842 |
| Harry Grant | Son | — | 30 | ~1900 |
Census Appearances
1910
Charleston, South …
Daughter, age 2
Charleston, South Carolina · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| 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 |
1920
Charleston, South …
Daughter, age 12
Charleston, South Carolina · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Daughter, age 20
Charleston, South Carolina · implied b. ~1910 — 5 household members
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Truck Farm |
| Class of Worker | W |
| Can Read/Write | No |
| 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 (1910, 1920 and 1930) in Charleston, South Carolina, using XGBoost record linkage. Identified parents: father Thomas Grant (~0.92 confidence) and father Stepney Grant (~0.92 confidence) and mother Lizzie Grant (~0.92 confidence) and mother Emma Grant (~0.92 confidence) and father John Grant (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Grant
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Stepney Grant
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lizzie Grant
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Emma Grant
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
John Grant
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Grant
Daughter · 1930 · age 20 · b. ~1910 · South Carolina
★ You are viewing this record
Sibling
Asbury Grant
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Grant
Sibling · 1930 · age 30
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 — Charleston, South Carolina
Open full size
1930 US Federal Census — Charleston, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2190unit:0852)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fail Watson | 78 | Head | — | South Carolina |
| 52 | Abraham Watson | 18 | Son | — | South Carolina |
| 53 | Henry Stokes | 50 | Head | Carpenter | South Carolina |
| 54 | Homer Grant | 50 | Head | Farmer | South Carolina |
| 55 | Adell Grant | 35 | Wife | — | South Carolina |
| 56 | Joe Grant | 14 | Son | — | South Carolina |
| 57 | Homer Jr. Grant | 8 | Son | — | South Carolina |
| 58 | Lizzie Walker | 70 | Head | Farmer | South Carolina |
| 59 | Henry Brown | 22 | Son | Laborer | South Carolina |
| 60 | Florence Brown | 19 | Daughter | — | South Carolina |
| 61 | John Grant | 40 | Head | Farmer | South Carolina |
| 62 | Harry Grant | 30 | Son | Laborer | South Carolina |
| 63 | Mary Grant THIS PERSON | 20 | Daughter | Laborer | South Carolina |
| 64 | Asbury Grant | 10 | Daughter | — | South Carolina |
| 65 | Nancy Grolam | 88 | Boarder | — | South Carolina |
| 66 | Offant Brown | 40 | Head | General Worker | South Carolina |
| 67 | Lizzie Brown | 40 | Wife | — | South Carolina |
| 68 | Steve Elmore | 35 | Head | Laborer | South Carolina |
| 69 | Lovelena Elmore | 32 | Wife | — | South Carolina |
| 70 | Aaron Mitchell | 13 | Step-son | — | South Carolina |
| 71 | Casper Jenkins | 60 | Head | Laborer | South Carolina |
| 72 | Mary Jenkins | 45 | Wife | — | South Carolina |
| 73 | Casper Jr. Jenkins | 19 | Nephew | Laborer | South Carolina |
| 74 | Samuel Jenkins | 17 | Nephew | Laborer | South Carolina |
| 75 | Eddie Hamilton | 11 | Nephew | Laborer | South Carolina |
| 76 | Georgia Muller | 35 | Head | Laborer | South Carolina |
| 77 | John Grant | 65 | Head | Farmer | South Carolina |
| 78 | Flora Hilliard | 65 | Head | Laborer | South Carolina |
| 79 | Mamie Grant | 16 | Granddaughter | — | South Carolina |
| 80 | Celia Glover | 22 | Boarder | Laborer | South Carolina |
| 81 | Ned Green | 50 | Head | Laborer | South Carolina |
| 82 | Lizzie Green | 28 | Wife | — | South Carolina |
| 83 | Mamie Green | 11 | Daughter | — | South Carolina |
| 84 | Victoria Green | 10 | Daughter | — | South Carolina |
| 85 | Pauline Green | 7 | Daughter | — | South Carolina |
| 86 | George Green | 6 | Son | — | South Carolina |
| 87 | Pauline Green | 4 | Son | — | South Carolina |
| 88 | William Green | 1 | Son | — | South Carolina |
| 89 | George Green | 51 | Head | Farmer | South Carolina |
| 90 | Adeline Green | 66 | Wife | — | South Carolina |
| 91 | Jim H. Green | 8 | Grandson | — | South Carolina |
| 92 | John Green | 5 | Son | — | South Carolina |
| 93 | John Grant | 53 | Head | Farmer | South Carolina |
| 94 | Caroline Grant | 50 | Wife | — | South Carolina |
| 95 | Joe Heyward | 41 | Head | Farmer | South Carolina |
| 96 | Sarah Heyward | 39 | Wife | — | South Carolina |
| 97 | Julia Heyward | 14 | Daughter | — | South Carolina |
| 98 | Louise Heyward | 12 | Daughter | — | South Carolina |
| 99 | Beatrice Heyward | 9 | Daughter | — | South Carolina |
| 100 | Nancy Heyward | 7 | Daughter | — | South Carolina |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 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)