MJ
Mary Jenkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this Mary Jenkins across the 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Jenkins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Additional Details | |
| Occupation | cook |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 16 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Cook |
| Township / Ward | School District 8A Bellwood |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Martha Jenkins | Daughter | — | 16 | ~1924 |
| Mary Jenkins | Daughter | — | 19 | ~1921 |
| Sara Jenkins | Daughter | — | 3 | ~1937 |
| Lillie Jenkins | Daughter | — | 14 | ~1926 |
| Percy Jenkins | Daughter | — | 9 | ~1931 |
| Charlie Jenkins | Head | — | 50 | ~1890 |
| Herbert Jenkins | Son | — | 13 | ~1927 |
| James Jenkins | Son | — | 5 | ~1935 |
| Wesley Jenkins | Son | — | 17 | ~1923 |
| Hardon Jenkins | Son | — | 12 | ~1928 |
| Ruth Jenkins | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Richland, South …
Daughter, age 11
Richland, South Carolina · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Mary |
| 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/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Daughter, age 19
Richland-County, South Carolina · implied b. ~1921 — 11 household members
| Surname | Jenkins |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Occupation | cook |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 16 |
| Highest Grade | No 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 Jenkins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Jenkins
Daughter · 1940 · age 19 · b. ~1921 · South Carolina
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Sibling
Martha Jenkins
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Jenkins
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Percy Jenkins
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wesley Jenkins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Jenkins
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Jenkins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hardon Jenkins
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Jenkins
Sibling · 1940 · age 14
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 — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03835-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Lutgen | 3 | Son | — | South Carolina |
| 2 | Charlie Davis | 72 | Head | Farmer | South Carolina |
| 3 | James Myers | 40 | Head | Farmer | South Carolina |
| 4 | Alia Myers | 35 | Wife | — | South Carolina |
| 5 | Mut Myers | 19 | Daughter | Servant | South Carolina |
| 6 | Thelma Myers | 10 | Daughter | — | South Carolina |
| 7 | Coon Myers | 8 | Daughter | — | South Carolina |
| 8 | Willie H. Jaynes | 54 | Head | Farmer | South Carolina |
| 9 | Louisa Jaynes | 40 | Wife | — | South Carolina |
| 10 | Noel Jaynes | 13 | Son | — | South Carolina |
| 11 | Charlie Jenkins | 50 | Head | Laborer | South Carolina |
| 12 | Ruth Jenkins | 40 | Wife | Farmer | South Carolina |
| 13 | Mary Jenkins THIS PERSON | 19 | Daughter | Cook | South Carolina |
| 14 | Wesley Jenkins | 17 | Son | — | South Carolina |
| 15 | Martha Jenkins | 16 | Daughter | — | South Carolina |
| 16 | Lillie Belle Jenkins | 14 | Daughter | — | South Carolina |
| 17 | Herbert Jenkins | 13 | Son | — | South Carolina |
| 18 | Hardon Jenkins | 12 | Son | — | South Carolina |
| 19 | Percy Jenkins | 9 | Daughter | — | South Carolina |
| 20 | James Jenkins | 5 | Son | — | South Carolina |
| 21 | Sara Jenkins | 3 | Daughter | — | South Carolina |
| 22 | Alex Arthur | 29 | Head | Laborer | South Carolina |
| 23 | Ruth Arthur | 28 | Wife | — | South Carolina |
| 24 | Willie Arthur | 4 | Son | — | South Carolina |
| 25 | John Arthur | 2 | Son | — | South Carolina |
| 26 | Alma Davis | 27 | Head | Farmer | South Carolina |
| 27 | Margaret Davis | 22 | Wife | — | South Carolina |
| 28 | Clem Jr. Davis | 7 | Son | — | South Carolina |
| 29 | James Davis | 6 | Son | — | South Carolina |
| 30 | Arthur Davis | 3 | Son | — | South Carolina |
| 31 | Ethel Mae Davis | 5 | Daughter | — | South Carolina |
| 32 | John Davis | 2 | Son | — | South Carolina |
| 33 | Viola Brown | 30 | Head | Laborer | South Carolina |
| 34 | John Brown | 12 | Son | — | South Carolina |
| 35 | Martha Brown | 11 | Daughter | — | South Carolina |
| 36 | Isaac Brown | 6 | Son | — | South Carolina |
| 37 | Rebecca Brown | 6 | Daughter | — | South Carolina |
| 38 | James Brown | 3 | Son | — | South Carolina |
| 39 | Annie V. Brown | 2 | Daughter | — | South Carolina |
| 40 | Rosa Lee Deria | 30 | Head | Laborer | 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)