MD
Mary Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Swain-County, North Carolina
Our Model Tree links this Mary Davis across the 1920, 1930 and 1940 US Censuses in Swain-County, North Carolina (XGBoost, ~Confirmed), with identified parents Samuel & Sam — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Swain-County, North Carolina |
| Surname | Davis |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Almond (part of) |
| 1935 Residence (County) | Swain |
| Additional Details | |
| Occupation | Teacher |
| Industry | Teaching |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| Highest Grade | C 2 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Teacher |
| Township / Ward | Almond Part Of |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Davis | Daughter | — | 21 | ~1919 |
| Sam Davis | Head | — | 50 | ~1890 |
| Sam Davis | Son | — | 19 | ~1921 |
| Pearl Davis | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Swain, North …
Daughter, age 1
Swain, North Carolina · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary Ellen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Swain, North …
Daughter, age 11
Swain, North Carolina · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Swain-County, North …
Daughter, age 21
Swain-County, North Carolina · implied b. ~1919 — 4 household members
| Surname | Davis |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | Almond (part of) |
| 1935 Residence (County) | Swain |
| Occupation | Teacher |
| Industry | Teaching |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 300 |
| Highest Grade | C 2 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north 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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Davis (~0.92 confidence) and father Sam Davis (~0.92 confidence) and father Adam Davis (~0.92 confidence) and mother Pearl Davis (~0.92 confidence) and mother Mary Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Davis
b. ~1902
Source father
● Household
· direct · ~0.92
Father
Sam Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Adam Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Pearl Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Davis
Daughter · 1940 · age 21 · b. ~1919 · North Carolina
★ You are viewing this record
Sibling
Sam Davis
Sibling · 1940 · age 19
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 — Swain-County, North Carolina
Open full size
1940 US Federal Census — Swain-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02978-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | W. R. Ammons | 65 | Head | — | North Carolina |
| 2 | W. R. Mrs. Ammons | 55 | Wife | Housekeeper | North Carolina |
| 3 | John B. Standberry | 29 | Head | Laborer | North Carolina |
| 4 | Mildred Standberry | 23 | Wife | Housekeeper | North Carolina |
| 5 | Richard Standberry | 3 | Son | — | North Carolina |
| 6 | Peggy Ann Standberry | 2 | Daughter | — | North Carolina |
| 7 | A. B. Theiler | 60 | Head | Chauffeur | North Carolina |
| 8 | Lydia Theiler | 37 | Wife | Housekeeper | North Carolina |
| 9 | Olean Marcus | 21 | Lodger | Housekeeper | North Carolina |
| 10 | Grady Mccall | 38 | Head | Housekeeper | North Carolina |
| 11 | Audrey Mccall | 20 | Daughter | Clerking | North Carolina |
| 12 | Olie Mccall | 19 | Son | Laborer | North Carolina |
| 13 | Atis Mccall | 15 | Son | — | North Carolina |
| 14 | Beulah Mccall | 14 | Daughter | — | North Carolina |
| 15 | Cleta Mccall | 12 | Daughter | — | North Carolina |
| 16 | Freda Mae Mccall | 10 | Daughter | — | North Carolina |
| 17 | L. H. Wiggins | 40 | Head | Farmer | North Carolina |
| 18 | Nora Wiggins | 38 | Wife | Housekeeper | North Carolina |
| 19 | Hattie Mae Wiggins | 15 | Daughter | — | North Carolina |
| 20 | Marie Wiggins | 8 | Daughter | — | North Carolina |
| 21 | Imogene Wiggins | 5 | Daughter | — | North Carolina |
| 22 | Jean Wiggins | 1 | Daughter | — | North Carolina |
| 23 | Jack Wiggins | 0 | Son | — | North Carolina |
| 24 | Lewis S. Tanzier | 66 | Head | — | North Carolina |
| 25 | Delia Tanzier | 57 | Wife | Housekeeper | North Carolina |
| 26 | A. T. Lail | 46 | Head | Agent, Operator | North Carolina |
| 27 | Carrie Lail | 45 | Wife | — | North Carolina |
| 28 | Modene Lail | 24 | Daughter | Teacher | North Carolina |
| 29 | Frank S. Marr | 39 | Head | Baggage Master | North Carolina |
| 30 | Pauline Marr | 35 | Wife | Housekeeper | North Carolina |
| 31 | Louisa Marr | 14 | Daughter | — | North Carolina |
| 32 | Bettie Jane Marr | 12 | Daughter | — | North Carolina |
| 33 | Kathleen Marr | 10 | Daughter | — | North Carolina |
| 34 | Frank Jr. Marr | 8 | Son | — | North Carolina |
| 35 | Margaret Marr | 4 | Daughter | — | North Carolina |
| 36 | Billie Marr | 3 | Son | — | North Carolina |
| 37 | Sam B. Davis | 50 | Head | Conductor | North Carolina |
| 38 | Pearl Davis | 47 | Wife | Housekeeper | North Carolina |
| 39 | Mary Ellen Davis THIS PERSON | 21 | Daughter | Teacher | North Carolina |
| 40 | Sam Ray Davis | 19 | Son | — | North Carolina |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 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)