MD
Mary Duke — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pickens-County, South Carolina
Our Model Tree links this Mary Duke across the 1930 and 1940 US Censuses in Pickens-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pickens-County, South Carolina |
| Surname | Duke |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Maynard School District #18 |
| 1935 Residence (County) | Pickens |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Maynard School District 18 |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Duke | Daughter | — | 16 | ~1924 |
| Willie Duke | Son | — | 8 | ~1932 |
| Classie Duke | Daughter | — | 10 | ~1930 |
| Christine Duke | Daughter | — | 13 | ~1927 |
| John Duke | Daughter | — | 15 | ~1925 |
| Essie Duke | Daughter | — | 2 | ~1938 |
| Genevive Duke | Daughter | — | 7 | ~1933 |
| Rance Duke | Head | — | 45 | ~1895 |
Census Appearances
1930
Pickens, South …
Daughter, age 6
Pickens, South Carolina · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duke |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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
Pickens-County, South …
Daughter, age 16
Pickens-County, South Carolina · implied b. ~1924 — 8 household members
| Surname | Duke |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Maynard School District #18 |
| 1935 Residence (County) | Pickens |
| Highest Grade | No 7 |
| 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 Duke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Duke
Daughter · 1940 · age 16 · b. ~1924 · South Carolina
★ You are viewing this record
Sibling
Christine Duke
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Duke
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevive Duke
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Duke
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Classie Duke
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Duke
Sibling · 1940 · age 2
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 — Pickens-County, South Carolina
Open full size
1940 US Federal Census — Pickens-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03831-00641)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie Fay Rogers | 7 | Daughter | — | South Carolina |
| 42 | William L. Graydon | 48 | Head | Farmer | South Carolina |
| 43 | Mae Graydon | 46 | Wife | — | South Carolina |
| 44 | Zero Landers | 50 | Head | Farm Labor | South Carolina |
| 45 | Annie Landers | 49 | Wife | — | South Carolina |
| 46 | Carl Landers | 23 | Son | Farm Labor | South Carolina |
| 47 | William Landers | 16 | Son | Farm Labor | South Carolina |
| 48 | Francis Landers | 14 | Daughter | — | South Carolina |
| 49 | Robert Landers | 11 | Son | — | South Carolina |
| 50 | Ola Landers | 7 | Son | — | South Carolina |
| 51 | Curtis Landers | 6 | Son | — | South Carolina |
| 52 | Louise Landers | 3 | Daughter | — | South Carolina |
| 53 | Bill Pippin | 30 | Head | Farm Labor | South Carolina |
| 54 | Essie Mae Pippin | 30 | Wife | — | South Carolina |
| 55 | Bobby Jean Pippin | 2 | Daughter | — | South Carolina |
| 56 | Lewis Landers | 23 | Head | Farm Labor | South Carolina |
| 57 | Fannie Landers | 23 | Wife | — | South Carolina |
| 58 | Ruby Landers | 3 | Daughter | — | South Carolina |
| 59 | Infant Landers | 0 | Daughter | — | South Carolina |
| 60 | Chase M. Hart | 71 | Head | Farmer | South Carolina |
| 61 | Emily Hart | 60 | Wife | — | South Carolina |
| 62 | Sarah Hart | 32 | Daughter | — | South Carolina |
| 63 | Emily Hart | 29 | Daughter | Farm Labor | South Carolina |
| 64 | James Hart | 25 | Son | Farm Labor | South Carolina |
| 65 | Richard Hart | 22 | Son | Farm Labor | South Carolina |
| 66 | Mildred Hart | 18 | Daughter | — | South Carolina |
| 67 | Ellam Hill | 66 | Head | Operator | South Carolina |
| 68 | Winnie Hill | 44 | Daughter | — | South Carolina |
| 69 | Charlie Hill | 26 | Son | Salesman | South Carolina |
| 70 | Rance Duke | 45 | Head | Farmer | South Carolina |
| 71 | Mary Duke THIS PERSON | 16 | Daughter | — | South Carolina |
| 72 | John Willie Duke | 15 | Daughter | — | South Carolina |
| 73 | Christine Duke | 13 | Daughter | — | South Carolina |
| 74 | Classie Duke | 10 | Daughter | — | South Carolina |
| 75 | Willie Mae Duke | 8 | Son | — | South Carolina |
| 76 | Genevive Duke | 7 | Daughter | — | South Carolina |
| 77 | Essie Jane Duke | 2 | Daughter | — | South Carolina |
| 78 | Carl B. Turner | 26 | Head | Machinist | South Carolina |
| 79 | Helen Turner | 18 | Wife | — | South Carolina |
| 80 | Gail Turner | 0 | 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)