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Mary Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · York-County, South Carolina
Our Model Tree links this Mary Adams across the 1920, 1930 and 1940 US Censuses in York-County, South Carolina (XGBoost, ~Confirmed), with identified parents Ben & Eunice — first a daughter (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | York-County, South Carolina |
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Bethel Township |
| 1935 Residence (County) | York |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Bethel Township |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Mary Adams | Daughter | — | 42 | ~1898 |
| Rebecca Adams | Daughter | — | 36 | ~1904 |
| Ben Adams | Head | — | 65 | ~1875 |
| Mary Adams | Other | — | 26 | ~1914 |
| Robert Adams | Son | — | 30 | ~1910 |
| Eunice Adams | Spouse | — | 64 | ~1876 |
Census Appearances
1920
York, South …
Daughter, age 22
York, South Carolina · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
York, South …
Daughter, age 32
York, South Carolina · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| 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
York-County, South …
Daughter, age 42
York-County, South Carolina · implied b. ~1898 — 6 household members
| Surname | Adams |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Bethel Township |
| 1935 Residence (County) | York |
| Class of Worker | 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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ben Adams (~0.92 confidence) and mother Eunice Adams (~0.92 confidence) and mother Linnie Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ben Adams
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Eunice Adams
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Linnie Adams
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Adams
Daughter · 1940 · age 42 · b. ~1898 · South Carolina
★ You are viewing this record
Sibling
Rebecca Adams
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Adams
Sibling · 1940 · age 30
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 — York-County, South Carolina
Open full size
1940 US Federal Census — York-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03845-00010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maitland Jenkins | 12 | Son | — | South Carolina |
| 42 | Boyce Jenkins | 10 | Son | — | South Carolina |
| 43 | Lula L. Jenkins | 7 | Daughter | — | South Carolina |
| 44 | Ben C. Adams | 65 | Head | Manager | South Carolina |
| 45 | Eunice J. Adams | 64 | Wife | — | South Carolina |
| 46 | Mary Adams THIS PERSON | 42 | Daughter | — | South Carolina |
| 47 | Rebecca Adams | 36 | Daughter | — | South Carolina |
| 48 | Robert E. Adams | 30 | Son | Laborer | South Carolina |
| 49 | Mary F. C. Adams | 26 | Daughter-in-law | — | South Carolina |
| 50 | Thomas J. Adams | 33 | Head | Teacher | South Carolina |
| 51 | Lena P. Adams | 31 | Wife | — | South Carolina |
| 52 | Ben Watson | 37 | Head | Laborer | North Carolina |
| 53 | Hattie L. Watson | 38 | Wife | — | North Carolina |
| 54 | Louie Watson | 13 | Daughter | — | South Carolina |
| 55 | Mozell Watson | 11 | Daughter | — | South Carolina |
| 56 | Josh Berry | 75 | Head | Laborer | South Carolina |
| 57 | Anna L. Berry | 60 | Wife | — | South Carolina |
| 58 | Earther Thomas | 32 | Head | Laborer | South Carolina |
| 59 | Maccie B. Thomas | 25 | Wife | — | South Carolina |
| 60 | Cornelia Thomas | 6 | Daughter | — | South Carolina |
| 61 | Burt Adams | 45 | Head | Laborer | South Carolina |
| 62 | Mary S. Adams | 33 | Wife | — | South Carolina |
| 63 | Samuel Adams | 22 | Son | Laborer | South Carolina |
| 64 | Lorena Adams | 19 | Daughter | — | South Carolina |
| 65 | Paul Adams | 14 | Son | — | South Carolina |
| 66 | Eugene Adams | 11 | Son | — | South Carolina |
| 67 | Grace Adams | 9 | Daughter | — | South Carolina |
| 68 | Alma Adams | 3 | Daughter | — | South Carolina |
| 69 | Margaret Ann Adams | 0 | Daughter | — | South Carolina |
| 70 | David Adams | 20 | Step-son | Laborer | South Carolina |
| 71 | Bertha H. Adams | 18 | Daughter-in-law | — | South Carolina |
| 72 | Ruth Adams | 1 | Daughter | — | South Carolina |
| 73 | Alex Guthrie | 39 | Head | Laborer | North Carolina |
| 74 | Pearlie C. Guthrie | 36 | Wife | — | North Carolina |
| 75 | Mason Guthrie | 17 | Son | — | South Carolina |
| 76 | Alex Jr. Guthrie | 16 | Son | — | South Carolina |
| 77 | Virginia Guthrie | 14 | Daughter | — | South Carolina |
| 78 | Ethel Guthrie | 13 | Daughter | — | South Carolina |
| 79 | Ellie Guthrie | 12 | Daughter | — | South Carolina |
| 80 | Bernadette Guthrie | 9 | Son | — | South Carolina |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 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)