MC
Martha Carter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, South Carolina
Our Model Tree links this Martha Carter across the 1930 and 1940 US Censuses in Union-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, South Carolina |
| Surname | Carter |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Monarch Village |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Spinner |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 496 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Spinner |
| Township / Ward | Monarch Village |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Mary Carter | Daughter | — | 12 | ~1928 |
| John Carter | Head | — | 59 | ~1881 |
| Martha Carter | Daughter | — | 21 | ~1919 |
| Mary Carter | Daughter | — | 20 | ~1920 |
| James Carter | Son | — | 15 | ~1925 |
| Mary Carter | Other | — | 23 | ~1917 |
| Bobbie Carter | Son | — | 11 | ~1929 |
| Mildred Carter | Daughter | — | 35 | ~1905 |
| Clara Carter | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Union, South …
Daughter, age 11
Union, South Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Union-County, South …
Daughter, age 21
Union-County, South Carolina · implied b. ~1919 — 9 household members
| Surname | Carter |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Monarch Village |
| 1935 Residence (County) | Union |
| Occupation | Spinner |
| Industry | Cotton Mill |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 496 |
| Highest Grade | G 7 |
| 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 Martha Carter across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Carter
Daughter · 1940 · age 21 · b. ~1919 · South Carolina
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Sibling
Mary Carter
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Carter
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Carter
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobbie Carter
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Carter
Sibling · 1940 · age 35
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 — Union-County, South Carolina
Open full size
1940 US Federal Census — Union-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03843-00745)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Virgie Lupton | 22 | Daughter | Spinner | South Carolina |
| 42 | Leland Jr. Lupton | 17 | Son | Main Room | South Carolina |
| 43 | John Duncan Lupton | 15 | Son | — | South Carolina |
| 44 | Vernon Lupton | 12 | Son | — | South Carolina |
| 45 | Nancy Lou Lupton | 8 | Daughter | — | South Carolina |
| 46 | Sam Degraff | 32 | Head | Running Slubber | South Carolina |
| 47 | Ethel Degraff | 31 | Wife | — | South Carolina |
| 48 | Doyle Degraff | 12 | Son | — | South Carolina |
| 49 | Dora Degraff | 5 | Son | — | South Carolina |
| 50 | Joseph Crawley | 61 | Head | Running Slubbers | North Carolina |
| 51 | Maggie P. Crawley | 46 | Wife | — | South Carolina |
| 52 | Albert D. Crawley | 18 | Son | — | Georgia |
| 53 | Bill Crawley | 12 | Daughter | — | Georgia |
| 54 | Olin N. Crawley | 7 | Son | — | South Carolina |
| 55 | Lee S. Wallis | 64 | Head | Loom Fixer | North Carolina |
| 56 | Ada Wallis | 57 | Wife | — | South Carolina |
| 57 | Sam Wallis | 23 | Son | Card Room | South Carolina |
| 58 | Daisy V. Wallis | 18 | Daughter | — | South Carolina |
| 59 | John W. Carter | 59 | Head | Weaving | South Carolina |
| 60 | Clara Carter | 52 | Wife | — | South Carolina |
| 61 | Martha Carter THIS PERSON | 21 | Daughter | Spinner | South Carolina |
| 62 | Mary Carter | 20 | Daughter | Spinner | South Carolina |
| 63 | James Carter | 15 | Son | — | South Carolina |
| 64 | Bobbie Carter | 11 | Son | — | South Carolina |
| 65 | Mildred Carter | 35 | Daughter | Weaver | Virginia |
| 66 | Mary N. Carter | 23 | Step Daughter | — | South Carolina |
| 67 | Mary E. Carter | 12 | Daughter | — | South Carolina |
| 68 | Andrew J. Walton | 26 | Head | Running Slubbers | Virginia |
| 69 | Nellie Ruth Walton | 25 | Wife | Spinner | South Carolina |
| 70 | Doris Ann Walton | 5 | Daughter | — | South Carolina |
| 71 | Joyce Jean Walton | 1 | Daughter | — | South Carolina |
| 72 | Jesse Wellford | 22 | Brother in law | Blows Off | South Carolina |
| 73 | Viola Wellford | 18 | Sister in law | — | South Carolina |
| 74 | George C. Owens | 41 | Head | Painter | South Carolina |
| 75 | Lillian F. Owens | 39 | Wife | — | South Carolina |
| 76 | Milton R. Owens | 19 | Step Son | Sweeper | South Carolina |
| 77 | Lawrence A. Owens | 17 | Step Son | Cloth Room | South Carolina |
| 78 | Helen P. Owens | 15 | Step Daughter | — | South Carolina |
| 79 | Ernestine W. Owens | 15 | Step Daughter | — | South Carolina |
| 80 | Mary E. Owens | 13 | Step Daughter | — | South Carolina |
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)