ML
Mary Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Darlington-County, South Carolina
Our Model Tree links this Mary Lee across the 1920, 1930 and 1940 US Censuses in Darlington-County, South Carolina (XGBoost, ~Confirmed), with identified parents Joe & Joseph — first a daughter (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darlington-County, South Carolina |
| Surname | Lee |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Antioch District |
| 1935 Residence (County) | Darlington |
| Additional Details | |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Helper |
| Township / Ward | Antioch District |
| Est. Birth Year | ~1922 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Amanda Lee | Daughter | — | 16 | ~1924 |
| Mary Lee | Daughter | — | 18 | ~1922 |
| Joe Lee | Head | — | 48 | ~1892 |
| William Fields | Other | — | 14 | ~1926 |
| Emmanuel Lee | Other | — | 58 | ~1882 |
| Irene Lee | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Darlington, South …
Daughter, age 2
Darlington, South Carolina · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Mary |
| 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 |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Darlington, South …
Daughter, age 10
Darlington, South Carolina · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Darlington-County, South …
Daughter, age 18
Darlington-County, South Carolina · implied b. ~1922 — 6 household members
| Surname | Lee |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Antioch District |
| 1935 Residence (County) | Darlington |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Lee (~0.92 confidence) and father Joseph Lee (~0.92 confidence) and mother Irene Lee (~0.92 confidence) and mother Clara Lee (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Lee
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Joseph Lee
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Irene Lee
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Clara Lee
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lee
Daughter · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
Amanda Lee
Sibling · 1940 · age 16
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 — Darlington-County, South Carolina
Open full size
1940 US Federal Census — Darlington-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03803-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Abram Smith | 29 | Head | Farmer | South Carolina |
| 42 | Rosa Smith | 27 | Wife | — | South Carolina |
| 43 | Hester Smith | 6 | Daughter | — | South Carolina |
| 44 | Joe Lee | 48 | Head | Farmer | South Carolina |
| 45 | Irene Lee | 46 | Wife | Farmer | South Carolina |
| 46 | Mary Lee THIS PERSON | 18 | Daughter | Helper | South Carolina |
| 47 | Amanda Lee | 16 | Daughter | Helper | South Carolina |
| 48 | William D. Fields | 14 | Step son | Helper | South Carolina |
| 49 | Emmanuel Lee | 58 | Brother | U | South Carolina |
| 50 | Murphy Graham | 26 | Head | Farmer | South Carolina |
| 51 | Ada Graham | 27 | Wife | Homekeeper | South Carolina |
| 52 | Boyd Graham | 7 | Son | — | South Carolina |
| 53 | Mary Graham | 5 | Daughter | — | South Carolina |
| 54 | John Bishop | 47 | Head | Farmer | South Carolina |
| 55 | Ida Bishop | 43 | Wife | — | South Carolina |
| 56 | Evastine Bishop | 21 | Son | Helper | South Carolina |
| 57 | Reese Bishop | 20 | Son | Helper | South Carolina |
| 58 | Erasmus Bishop | 19 | Son | Helper | South Carolina |
| 59 | Catherine Bishop | 17 | Daughter | Helper | South Carolina |
| 60 | Lila Mae Bishop | 15 | Daughter | Helper | South Carolina |
| 61 | Edward Antrum | 56 | Head | Farmer | South Carolina |
| 62 | Hester Antrum | 49 | Wife | Home Keeper | South Carolina |
| 63 | Ernest Antrum | 22 | Son | Helper | South Carolina |
| 64 | Thelma Antrum | 19 | Daughter | Helper | South Carolina |
| 65 | Mckinley Loyd | 36 | Head | Farmer | South Carolina |
| 66 | Lutha Parker | 49 | House Keeper | Home Keeper | South Carolina |
| 67 | Buford Parker | 7 | Son | — | South Carolina |
| 68 | Josephine Graham | 60 | Head | Farmer | South Carolina |
| 69 | Matthew Graham | 20 | Son | Helper | South Carolina |
| 70 | Otis Stokes | 18 | Grand son | Helper | South Carolina |
| 71 | Irene Bishop | 53 | Head | Farmer | South Carolina |
| 72 | Polly Bishop | 32 | Daughter | Laborer | South Carolina |
| 73 | Letha Bishop | 17 | Daughter | Laborer | South Carolina |
| 74 | Freddie Bishop | 15 | Daughter | Helper | South Carolina |
| 75 | Lily Bishop | 13 | Daughter | Helper | South Carolina |
| 76 | Johana Bishop | 16 | Grand daughter | Helper | South Carolina |
| 77 | Frank Bishop | 13 | Grand son | — | South Carolina |
| 78 | Ellie Bishop | 11 | Grand daughter | — | South Carolina |
| 79 | Eddie Tidder | 50 | Head | Laborer | South Carolina |
| 80 | Ceasar Samuel | 44 | Head | Farmer | South Carolina |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)