MC
Mary Cain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marlboro-County, South Carolina
Our Model Tree links this Mary Cain across the 1930 and 1940 US Censuses in Marlboro-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marlboro-County, South Carolina |
| Surname | Cain |
| Given Name | Mary Virginia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Marlboro |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Bennettsville City |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rufus Cain | Son | — | 4 | ~1936 |
| Bertha Cain | Daughter | — | 18 | ~1922 |
| Frank Cain | Son | — | 16 | ~1924 |
| Frank Cain | Head | — | 43 | ~1897 |
| Mary Cain | Daughter | — | 11 | ~1929 |
| Maggie Cain | Daughter | — | 9 | ~1931 |
| Janet Cain | Daughter | — | 1 | ~1939 |
| Bertha Cain | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Darlington, South …
Daughter, age 2
Darlington, South Carolina · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cain |
| Given Name | Mary Louise |
| 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 |
1940
Marlboro-County, South …
Daughter, age 11
Marlboro-County, South Carolina · implied b. ~1929 — 8 household members
| Surname | Cain |
| Given Name | Mary Virginia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Marlboro |
| Highest Grade | No 2 |
| 1935 Residence | South Carolina |
| 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 Cain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cain
Daughter · 1940 · age 11 · b. ~1929 · South Carolina
★ You are viewing this record
Sibling
Bertha Cain
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Cain
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Cain
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Cain
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rufus Cain
Sibling · 1940 · age 4
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 — Marlboro-County, South Carolina
Open full size
1940 US Federal Census — Marlboro-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03826-00357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Cora Lee Cook | 19 | Daughter | — | South Carolina |
| 42 | Joseph Cook | 10 | Son | — | South Carolina |
| 43 | Molly Cook | 34 | Head | — | South Carolina |
| 44 | Virginia Cook | 22 | Wife | Truck Driver | South Carolina |
| 45 | Abraham Harding | 45 | Head | Logging | South Carolina |
| 46 | Mary Harding | 41 | Wife | Laundress | South Carolina |
| 47 | James Harding | 16 | Son | — | South Carolina |
| 48 | Julia Ella Harding | 14 | Daughter | — | South Carolina |
| 49 | John Harding | 1 | Son | — | South Carolina |
| 50 | Eddie Jones | 31 | Lodger | Laborer | South Carolina |
| 51 | Charlie Jones | 25 | Head | Laborer | South Carolina |
| 52 | Mae Ola Jones | 24 | Wife | — | South Carolina |
| 53 | James Jones | 7 | Son | — | South Carolina |
| 54 | Charles Edward Jones | 4 | Son | — | South Carolina |
| 55 | George Fair | 32 | Head | Laborer | South Carolina |
| 56 | Lillian Fair | 16 | Wife | — | South Carolina |
| 57 | Drendrick Ann Fair | 0 | Son | — | South Carolina |
| 58 | John H. Garker | 33 | Head | Laborer | Georgia |
| 59 | Georgia Garker | 30 | Wife | — | North Carolina |
| 60 | Florence Grant | 49 | Mother | Cook | South Carolina |
| 61 | Henry Liley | 25 | Boarder | Laborer | North Carolina |
| 62 | Adelaide Liley | 16 | Niece | — | North Carolina |
| 63 | Josh Glover | 39 | Head | — | South Carolina |
| 64 | Katie Glover | 37 | Wife | — | South Carolina |
| 65 | Hattie Glover | 24 | Daughter | Cook | South Carolina |
| 66 | Mamie Glover | 20 | Son | — | South Carolina |
| 67 | Willie Glover | 7 | Grandson | — | South Carolina |
| 68 | Frank Cain | 43 | Head | Blacksmith | South Carolina |
| 69 | Bertha T. Cain | 35 | Wife | — | South Carolina |
| 70 | Bertha Cain | 18 | Daughter | — | South Carolina |
| 71 | Frank Jr. Cain | 16 | Son | — | South Carolina |
| 72 | Mary Virginia Cain THIS PERSON | 11 | Daughter | — | South Carolina |
| 73 | Maggie Ruth Cain | 9 | Daughter | — | South Carolina |
| 74 | Rufus Charles Cain | 4 | Son | — | South Carolina |
| 75 | Janet Cain | 1 | Daughter | — | South Carolina |
| 76 | Albert James | 35 | Head | Laborer | South Carolina |
| 77 | Bess James | 35 | Wife | — | South Carolina |
| 78 | Albert B. James | 15 | Son | — | South Carolina |
| 79 | Doris James | 13 | Son | — | South Carolina |
| 80 | Lulu Watson | 49 | Head | Cook | North 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)