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Mary Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, South Carolina
Our Model Tree links this Mary Lewis across the 1920, 1930 and 1940 US Censuses in Marion-County, South Carolina (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Female
Daughter
Born: South Carolina
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, South Carolina |
| Surname | Lewis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (City) | Reaves Township |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Reaves Township |
| Est. Birth Year | ~1911 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Lewis | Daughter | — | 26 | ~1914 |
| Mary Lewis | Daughter | — | 29 | ~1911 |
| Nancy Lewis | Head | — | 47 | ~1893 |
Census Appearances
1920
Marion, South …
Daughter, age 9
Marion, South Carolina · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Marion, South …
Daughter, age 19
Marion, South Carolina · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| 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
Marion-County, South …
Daughter, age 29
Marion-County, South Carolina · implied b. ~1911 — 3 household members
| Surname | Lewis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Widowed |
| Birthplace | South Carolina |
| 1935 Residence (City) | Reaves Township |
| 1935 Residence (County) | Marion |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 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 Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lewis (~0.92 confidence) and father James Lewis (~0.92 confidence) and mother Nancy Lewis (~0.92 confidence) and mother Susana Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lewis
b. ~1860
Source father
● Household
· direct · ~0.92
Father
James Lewis
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Nancy Lewis
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Susana Lewis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lewis
Daughter · 1940 · age 29 · b. ~1911 · South Carolina
★ You are viewing this record
Sibling
Beatrice Lewis
Sibling · 1940 · age 26
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 — Marion-County, South Carolina
Open full size
1940 US Federal Census — Marion-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03825-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest H Lambert | 70 | Head | Gardener | South Carolina |
| 42 | Martha E Lambert | 55 | Sister | — | South Carolina |
| 43 | Bradley A Simmons | 42 | Head | Farm | South Carolina |
| 44 | Lula E Simmons | 37 | Wife | — | South Carolina |
| 45 | Bradley Jr Simmons | 10 | Son | — | South Carolina |
| 46 | Annie W Simmons | 13 | Daughter | — | South Carolina |
| 47 | Abraham Pinesett | 42 | Head | Labor | South Carolina |
| 48 | Pauline Pinesett | 42 | Wife | — | South Carolina |
| 49 | Carrie Pinesett | 20 | Daughter | Laundress | South Carolina |
| 50 | Willie D Pinesett | 3 | Lodger | — | South Carolina |
| 51 | Ruth Pinesett | 1 | Lodger | — | South Carolina |
| 52 | Minnie Mccollum | 44 | Lodger | Cook | North Carolina |
| 53 | Nancy Lewis | 47 | Head | — | South Carolina |
| 54 | Mary E Lewis THIS PERSON | 29 | Daughter | — | South Carolina |
| 55 | Beatrice Lewis | 26 | Daughter | Nurse Maid | South Carolina |
| 56 | Collin Miles | 42 | Head | New Work | South Carolina |
| 57 | Maude Miles | 32 | Wife | — | South Carolina |
| 58 | Roscoe Miles | 17 | Son | Delivery Boy | South Carolina |
| 59 | Hallie Miles | 13 | Daughter | — | South Carolina |
| 60 | Alice Miles | 11 | Daughter | — | South Carolina |
| 61 | Lillie M Miles | 7 | Daughter | — | South Carolina |
| 62 | Francis Miles | 5 | Daughter | — | South Carolina |
| 63 | Edna E Miles | 3 | Daughter | — | South Carolina |
| 64 | Dolly J Miles | 0 | Son | — | South Carolina |
| 65 | Ulysses Witherspoon | 25 | Head | Brick Layer | South Carolina |
| 66 | Cora C Witherspoon | 25 | Wife | — | South Carolina |
| 67 | James P Witherspoon | 4 | Son | — | South Carolina |
| 68 | Carla M Witherspoon | 1 | Daughter | — | South Carolina |
| 69 | Hampton Witherspoon | 49 | Head | Farm | South Carolina |
| 70 | Gracie Witherspoon | 40 | Wife | — | South Carolina |
| 71 | George Witherspoon | 22 | Son | New Work | South Carolina |
| 72 | Jeff Moore | 67 | Head | Carpenter | South Carolina |
| 73 | Maud Moore | 45 | Wife | — | South Carolina |
| 74 | William H Harrison | 24 | Head | Butcher | South Carolina |
| 75 | Virginia S Harrison | 21 | Wife | — | South Carolina |
| 76 | Frank Jr Johnson | 53 | Head | Brick Layer | South Carolina |
| 77 | Charlotte Johnson | 49 | Wife | — | South Carolina |
| 78 | James F Jr Johnson | 16 | Son | — | South Carolina |
| 79 | Maggie M Smith | 55 | Head | Farm | South Carolina |
| 80 | Inez Smith | 29 | Daughter | Labor | 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)