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Mary Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Anderson-County, South Carolina
Our Model Tree links this Mary Martin across the 1920, 1930 and 1940 US Censuses in Anderson-County, South Carolina (XGBoost, ~Confirmed), with identified parents William & Floyd — first a daughter (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Anderson-County, South Carolina |
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Hopewell township |
| 1935 Residence (County) | Anderson |
| Additional Details | |
| Occupation | Saleswoman |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Saleswoman |
| Township / Ward | Hopewell Township |
| Est. Birth Year | ~1918 |
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 Martin | Daughter | — | 22 | ~1918 |
| William Martin | Head | — | 59 | ~1881 |
| Frank Martin | Son | — | 18 | ~1922 |
| L Martin | Son | — | 20 | ~1920 |
| David Martin | Son | — | 24 | ~1916 |
| Rachel Martin | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Anderson, South …
Daughter, age 3
Anderson, South Carolina · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mulatto |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Anderson, South …
Daughter, age 13
Anderson, South Carolina · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Anderson-County, South …
Daughter, age 22
Anderson-County, South Carolina · implied b. ~1918 — 6 household members
| Surname | Martin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Hopewell township |
| 1935 Residence (County) | Anderson |
| Occupation | Saleswoman |
| Industry | Retail store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| 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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Martin (~0.92 confidence) and father Floyd Martin (~0.92 confidence) and father Charley Martin (~0.92 confidence) and mother Rachel Martin (~0.92 confidence) and mother Rebecca Martin (~0.92 confidence) and mother Dora Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Martin
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Floyd Martin
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Charley Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Rachel Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Rebecca Martin
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Dora Martin
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Martin
Daughter · 1940 · age 22 · b. ~1918 · South Carolina
★ You are viewing this record
Sibling
L Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Martin
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 — Anderson-County, South Carolina
Open full size
1940 US Federal Census — Anderson-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03787-00056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Lecroy | 12 | Son | — | South Carolina |
| 2 | Nathaniel D. Harrison | 43 | Head | Hired Hand | South Carolina |
| 3 | Mary Harrison | 33 | Wife | — | South Carolina |
| 4 | Thompson D. W. Harrison | 14 | Nephew | — | South Carolina |
| 5 | Willie D. Maddox | 30 | Head | Hired Hand | Georgia |
| 6 | Inez Maddox | 27 | Wife | — | South Carolina |
| 7 | Aaron Maddox | 11 | Son | — | South Carolina |
| 8 | Gladys Maddox | 10 | Daughter | — | South Carolina |
| 9 | Clifton Maddox | 5 | Son | — | South Carolina |
| 10 | Betty Jane Maddox | 1 | Daughter | — | South Carolina |
| 11 | Thomas Brown | 27 | Head | Hired Hand | South Carolina |
| 12 | L. L. Harris | 47 | Head | Operator | Arkansas |
| 13 | Mae Harris | 43 | Wife | — | South Carolina |
| 14 | S. A. Harris | 15 | Son | — | South Carolina |
| 15 | Narcis Harris | 9 | Daughter | — | South Carolina |
| 16 | Ebenezer Yargin | 67 | Head | — | South Carolina |
| 17 | Jannie O. Yargin | 57 | Wife | — | South Carolina |
| 18 | Carl Yargin | 29 | Son | Carpenter | South Carolina |
| 19 | Eddie Yargin | 23 | Son | Carpenter | South Carolina |
| 20 | William C. D. Martin | 59 | Head | Operator | South Carolina |
| 21 | Rachel Martin | 56 | Wife | — | South Carolina |
| 22 | David Martin | 24 | Son | Agent | South Carolina |
| 23 | Mary Martin THIS PERSON | 22 | Daughter | Saleswoman | South Carolina |
| 24 | L. J. Martin | 20 | Son | — | South Carolina |
| 25 | Frank Martin | 18 | Son | — | South Carolina |
| 26 | James Cunningham | 22 | Head | Hired Hand | South Carolina |
| 27 | Bill Milton Williams | 40 | Head | Carpenter | South Carolina |
| 28 | Ethel M. O. Williams | 25 | Wife | — | South Carolina |
| 29 | Joe Majors Williams | 5 | Son | — | South Carolina |
| 30 | Harrison L. Williams | 3 | Son | — | South Carolina |
| 31 | Charles Edward Williams | 0 | Son | — | South Carolina |
| 32 | Joe Hall | 54 | Boarder | — | South Carolina |
| 33 | Lonnie O. Whitfield | 42 | Head | Operator | Georgia |
| 34 | Ethel Whitfield | 32 | Wife | — | Georgia |
| 35 | Sarah Whitfield | 15 | Daughter | — | South Carolina |
| 36 | Lawrence Whitfield | 9 | Son | — | South Carolina |
| 37 | Sylvester Whitfield | 7 | Son | — | South Carolina |
| 38 | Lillie W. Cobb | 44 | Head | Operator | South Carolina |
| 39 | Julia Cobb | 37 | Wife | — | Georgia |
| 40 | James Cobb | 18 | Son | — | South Carolina |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 6 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)