MD
Mamie Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this Mamie Davis across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 10-person household.
Age 21
b. ~1909
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| 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 |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Mamie Davis | Daughter | — | 21 | ~1909 |
| Tige Davis | Head | — | 57 | ~1873 |
| Sam Davis | Son | — | 2 | ~1928 |
| Sampson Davis | Son | — | 10 | ~1920 |
| Will Davis | Son | — | 17 | ~1913 |
| Melvin Davis | Son | — | 7 | ~1923 |
| Cicero Davis | Son | — | 14 | ~1916 |
| Minnie Davis | Other | — | 51 | ~1879 |
| Tige Davis | Son | — | 16 | ~1914 |
| Isiah Davis | Son | — | 9 | ~1921 |
Census Appearances
1920
None, None
Daughter, age 11
None, None · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Minnie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| 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
None, None
Daughter, age 21
None, None · implied b. ~1909 — 10 household members
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| 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 |
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 Mamie Davis across 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
Mamie Davis
Daughter · 1930 · age 21 · b. ~1909 · None
★ You are viewing this record
Sibling
Sampson Davis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tige Davis
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Will Davis
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cicero Davis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isiah Davis
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Davis
Sibling · 1930 · age 7
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 — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
48 people indexed on this census page (ia:1930:15thcensus2206unit:0101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosilee Davis | 12 | — | — | South Carolina |
| 2 | John Harris | 40 | Head | Laborer | South Carolina |
| 3 | Essie Harris | 35 | Wife-H | — | South Carolina |
| 4 | Leroney Harris | 11 | Daughter | — | South Carolina |
| 5 | Bell Harris | 8 | Daughter | — | South Carolina |
| 6 | Jasper Harris | 6 | Son | — | South Carolina |
| 7 | Minnie Harris | 4 | Daughter | — | South Carolina |
| 8 | Tige Davis | 57 | Head | Farming | South Carolina |
| 9 | Minnie Davis | 51 | Wife-H | — | South Carolina |
| 10 | Mamie Davis THIS PERSON | 21 | Daughter | — | South Carolina |
| 11 | Will Davis | 17 | Son | — | South Carolina |
| 12 | Tige Davis | 16 | Son | — | South Carolina |
| 13 | Cicero Davis | 14 | Son | — | South Carolina |
| 14 | Sampson Davis | 10 | Son | — | South Carolina |
| 15 | Isiah Davis | 9 | Son | — | South Carolina |
| 16 | Melvin Davis | 7 | Son | — | South Carolina |
| 17 | Sam Davis | 2 | Son | — | South Carolina |
| 18 | Gus Moore | 40 | Head | Laborer | South Carolina |
| 19 | Susannah Moore | 7 | Daughter | — | South Carolina |
| 20 | Lawyer Reed | 50 | Head | Farming | South Carolina |
| 21 | Laney Reed | 43 | Wife-H | — | South Carolina |
| 22 | Burney Reed | 15 | Son | — | South Carolina |
| 23 | Harper Reed | 9 | Son | — | South Carolina |
| 24 | Thelma Reed | 5 | Daughter | — | South Carolina |
| 25 | Mattie Reed | 4 | Daughter | — | South Carolina |
| 26 | Eliza Reed | 3 | Daughter | — | South Carolina |
| 27 | Odell Davis | 21 | Head | Laborer | South Carolina |
| 28 | Emma Davis | 17 | Wife-H | — | South Carolina |
| 29 | Virgil Nichols | 50 | Head | Farming | South Carolina |
| 30 | Isabel Nichols | 40 | Wife-H | — | South Carolina |
| 31 | Elwell Nichols | 19 | Son | — | South Carolina |
| 32 | Elmira Nichols | 17 | Daughter | — | South Carolina |
| 33 | Thelma Nichols | 12 | Daughter | — | South Carolina |
| 34 | Isac Nichols | 10 | Son | — | South Carolina |
| 35 | Leona Nichols | 8 | Daughter | — | South Carolina |
| 36 | Virgil Nichols | 6 | Son | — | South Carolina |
| 37 | Barney Nichols | 22 | Son | Laborer | South Carolina |
| 39 | Lucille Nichols | 2 | Daughter | — | South Carolina |
| 40 | Edward B. Foxworth | 61 | Head | Salesman | South Carolina |
| 41 | Edward Foxworth | 33 | Son | Farming | South Carolina |
| 43 | Edward Foxworth | 12 | Nephew | — | South Carolina |
| 44 | Mary Brown | 16 | Servant | Servant | Georgia |
| 45 | John C. Gribble | 44 | Head | Farmer | South Carolina |
| 46 | Bettie Gribble | 42 | Wife-H | — | South Carolina |
| 47 | Edward Gribble | 20 | Son | Laborer | South Carolina |
| 48 | Bonnie Gribble | 14 | Son | — | South Carolina |
| 49 | Gertrude Gribble | 16 | Daughter | — | South Carolina |
| 50 | Cyrus Gribble | 10 | Son | — | South Carolina |
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)