MF
Mary Finney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clarendon-County, South Carolina
Our Model Tree links this Mary Finney across the 1930 and 1940 US Censuses in Clarendon-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarendon-County, South Carolina |
| Surname | Finney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Clarendon |
| 1935 Residence (County) | Clarendon |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St James |
| Est. Birth Year | ~1926 |
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 |
|---|---|---|---|---|
| David Finney | Son | — | 21 | ~1919 |
| Charlotte Finney | Daughter | — | 12 | ~1928 |
| Essie Finney | Daughter | — | 7 | ~1933 |
| Sara Finney | Daughter | — | 18 | ~1922 |
| Lurene Finney | Spouse | — | 50 | ~1890 |
| Mary Finney | Daughter | — | 14 | ~1926 |
| Lillie Finney | Daughter | — | 16 | ~1924 |
| Rufus Finney | Head | — | 54 | ~1886 |
| Cammila Finney | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Clarendon, South …
Daughter, age 7
Clarendon, South Carolina · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finney |
| Given Name | Mary Jane |
| 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
Clarendon-County, South …
Daughter, age 14
Clarendon-County, South Carolina · implied b. ~1926 — 9 household members
| Surname | Finney |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Clarendon |
| 1935 Residence (County) | Clarendon |
| Highest Grade | No 3 |
| 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 Finney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Finney
Daughter · 1940 · age 14 · b. ~1926 · South Carolina
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Sibling
Charlotte Finney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cammila Finney
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Finney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Finney
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Finney
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Finney
Sibling · 1940 · age 18
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 — Clarendon-County, South Carolina
Open full size
1940 US Federal Census — Clarendon-County, South Carolina
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03800-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Powell | 20 | Head | Farm Laborer | South Carolina |
| 2 | Franklyn Powell | 18 | Son | Farm Laborer | South Carolina |
| 3 | Heolis Powell | 15 | Son | Farm Laborer | South Carolina |
| 4 | Alyases Powell | 10 | Son | — | South Carolina |
| 5 | George Jr Oliver | 45 | Head | Farmer | South Carolina |
| 6 | Annie Oliver | 40 | Wife | — | South Carolina |
| 7 | Evelyna Oliver | 20 | Daughter | Farm Laborer | South Carolina |
| 8 | Quisy Oliver | 18 | Daughter | Farm Laborer | South Carolina |
| 9 | Jilan Oliver | 16 | Son | Farm Laborer | South Carolina |
| 10 | Willie Lou Oliver | 13 | Daughter | — | South Carolina |
| 11 | Bertie Oliver | 12 | Daughter | — | South Carolina |
| 12 | Margaret Oliver | 8 | Daughter | — | South Carolina |
| 13 | Mary Zell Oliver | 6 | Daughter | — | South Carolina |
| 14 | Roberta Oliver | 3 | Daughter | — | South Carolina |
| 15 | Mary Lee Oliver | 2 | Daughter | — | South Carolina |
| 16 | Henry Oliver | 49 | Head | Farmer | South Carolina |
| 17 | Lara Oliver | 30 | Wife | — | South Carolina |
| 18 | Lillian Oliver | 16 | Daughter | — | South Carolina |
| 19 | Ella Oliver | 15 | Daughter | — | South Carolina |
| 20 | Earnest Oliver | 13 | Son | — | South Carolina |
| 21 | Herbert Oliver | 9 | Son | — | South Carolina |
| 22 | Aaron Oliver | 6 | Son | — | South Carolina |
| 23 | Lloyd Oliver | 6 | Son | — | South Carolina |
| 24 | Lula Mae Oliver | 4 | Daughter | — | South Carolina |
| 25 | Sammie Lee Oliver | 3 | Son | — | South Carolina |
| 26 | Rufus Finney | 54 | Head | Farmer | South Carolina |
| 27 | Lurene Finney | 50 | Wife | — | South Carolina |
| 28 | David Finney | 21 | Son | Farm Laborer | South Carolina |
| 29 | Cammila Finney | 20 | Daughter | Farm Laborer | South Carolina |
| 30 | Sara Finney | 18 | Daughter | Farm Laborer | South Carolina |
| 31 | Lillie Finney | 16 | Daughter | Farm Laborer | South Carolina |
| 32 | Mary Jane Finney THIS PERSON | 14 | Daughter | — | South Carolina |
| 33 | Charlotte Finney | 12 | Daughter | — | South Carolina |
| 34 | Essie Mae Finney | 7 | Daughter | — | South Carolina |
| 35 | Roscoe Nelson | 40 | Head | Nurse | South Carolina |
| 36 | Millard Nelson | 19 | Son | Farmer | South Carolina |
| 37 | Rosa Lee Nelson | 11 | Daughter | — | South Carolina |
| 38 | Gayloyd Nelson | 7 | Son | — | South Carolina |
| 39 | Joseph Nelson | 6 | Son | — | 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)