MF
Mary Frost — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkeley-County, South Carolina
Our Model Tree links this Mary Frost across the 1930 and 1940 US Censuses in Berkeley-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkeley-County, South Carolina |
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St Thomas Parish |
| 1935 Residence (County) | Berkeley |
| Additional Details | |
| Highest Grade | H 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St Thomas Parish |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katie Frost | Head | — | 68 | ~1872 |
| Lydia Frost | Spouse | — | 27 | ~1913 |
| Lucille Frost | Daughter | — | 13 | ~1927 |
| Mary Frost | Daughter | — | 16 | ~1924 |
| Lillian Frost | Daughter | — | 19 | ~1921 |
| George Frost | Son | — | 17 | ~1923 |
| Ethel Frost | Daughter | — | 21 | ~1919 |
| Doris Frost | Son | — | 25 | ~1915 |
| Reatha Frost | Daughter | — | 23 | ~1917 |
Census Appearances
1930
Berkeley, South …
Daughter, age 7
Berkeley, South Carolina · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 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
Berkeley-County, South …
Daughter, age 16
Berkeley-County, South Carolina · implied b. ~1924 — 9 household members
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St Thomas Parish |
| 1935 Residence (County) | Berkeley |
| Highest Grade | H 6 |
| 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 Frost across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frost
Daughter · 1940 · age 16 · b. ~1924 · South Carolina
★ You are viewing this record
Sibling
Ethel Frost
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Frost
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Frost
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reatha Frost
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Frost
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Frost
Sibling · 1940 · age 13
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
1940 US Federal Census — Berkeley-County, South Carolina
Open full size
1940 US Federal Census — Berkeley-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03791-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nick Sylvia | 26 | Head | Tie Cutter | South Carolina |
| 42 | Michel Gording | 26 | Head | Tie Cutter | South Carolina |
| 43 | Isadel Gording | 24 | Wife | — | South Carolina |
| 44 | Thomas Kinloch | 50 | Head | Contractor | South Carolina |
| 45 | Sarah Kinloch | 40 | Wife | — | South Carolina |
| 46 | Ethel Kinloch | 22 | Daughter | — | South Carolina |
| 47 | George Kinloch | 20 | Son | Laborer | South Carolina |
| 48 | Luther Kinloch | 17 | Son | Laborer | South Carolina |
| 49 | Henry Kinloch | 15 | Son | — | South Carolina |
| 50 | Corrine Kinloch | 13 | Daughter | — | South Carolina |
| 51 | Thelma Kinloch | 9 | Daughter | — | South Carolina |
| 52 | Joseph Kinloch | 33 | Head | Tie Cutter | South Carolina |
| 53 | Queen Kinloch | 32 | Wife | — | South Carolina |
| 54 | Charles Brown | 15 | Nephew | — | South Carolina |
| 55 | Solomon Kinloch | 67 | Head | — | South Carolina |
| 56 | Emma Kinloch | 60 | Wife | — | South Carolina |
| 57 | James Kinloch | 18 | Son | — | South Carolina |
| 58 | Hattie Kinloch | 16 | Daughter | — | South Carolina |
| 59 | Edward Carson | 30 | Head | — | South Carolina |
| 60 | Estelle Carson | 29 | Wife | — | South Carolina |
| 61 | Florence Carson | 15 | Daughter | — | South Carolina |
| 62 | Anna Carson | 12 | Daughter | — | South Carolina |
| 63 | Henry Carson | 6 | Son | — | South Carolina |
| 64 | Eddie Jr Carson | 4 | Son | — | South Carolina |
| 65 | Rosena Carson | 1 | Daughter | — | South Carolina |
| 66 | John Drayton | 49 | Head | Laborer | South Carolina |
| 67 | Martha Drayton | 46 | Wife | — | South Carolina |
| 68 | Hattie Drayton | 15 | Daughter | — | South Carolina |
| 69 | Rebecca Drayton | 13 | Daughter | — | South Carolina |
| 70 | Susan Drayton | 10 | Daughter | — | South Carolina |
| 71 | Amos Drayton | 6 | Son | — | South Carolina |
| 72 | Katie Frost | 68 | Head | Contractor | South Carolina |
| 73 | Lydia Frost | 27 | Wife | — | South Carolina |
| 74 | Doris Frost | 25 | Son | Laborer | South Carolina |
| 75 | Reatha Frost | 23 | Daughter | — | South Carolina |
| 76 | Ethel Frost | 21 | Daughter | Cook | South Carolina |
| 77 | Lillian Frost | 19 | Daughter | Cook | South Carolina |
| 78 | George Frost | 17 | Son | Laborer | South Carolina |
| 79 | Mary Frost THIS PERSON | 16 | Daughter | — | South Carolina |
| 80 | Lucille Frost | 13 | Daughter | — | 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)