MC
Mary Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Aiken-County, South Carolina
Our Model Tree links this Mary Cummings across the 1930 and 1940 US Censuses in Aiken-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Aiken-County, South Carolina |
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sleepy Hollow |
| 1935 Residence (County) | Aiken |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 25 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Sleepy Hollow |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Cummings | Daughter | — | 6 | ~1934 |
| Mary Cummings | Daughter | — | 21 | ~1919 |
| Martha Cummings | Daughter | — | 21 | ~1919 |
| Hallie Cummings | Daughter | — | 12 | ~1928 |
| Isaac Cummings | Head | — | 55 | ~1885 |
| Isaac Cummings | Son | — | 24 | ~1916 |
| Anderson Cummings | Son | — | 17 | ~1923 |
| Alice Cummings | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Aiken, South …
Daughter, age 11
Aiken, South Carolina · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| 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
Aiken-County, South …
Daughter, age 21
Aiken-County, South Carolina · implied b. ~1919 — 8 household members
| Surname | Cummings |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sleepy Hollow |
| 1935 Residence (County) | Aiken |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 25 |
| Income (1939) | 0 |
| Highest Grade | No 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 Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cummings
Daughter · 1940 · age 21 · b. ~1919 · South Carolina
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Sibling
Hallie Cummings
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cummings
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Cummings
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaac Cummings
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anderson Cummings
Sibling · 1940 · age 17
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 — Aiken-County, South Carolina
Open full size
1940 US Federal Census — Aiken-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03783-00604)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Bryant | 16 | Head | Laborer | South Carolina |
| 42 | Julia Bryant | 15 | Son | Laborer | South Carolina |
| 43 | Marion Bryant | 13 | Son | — | South Carolina |
| 44 | Hattie Bryant | 11 | Daughter | — | South Carolina |
| 45 | Cora Lee Bryant | 10 | Daughter | — | South Carolina |
| 46 | Levetious Bryant | 6 | Son | — | South Carolina |
| 47 | Linwood Bryant | 5 | Son | — | South Carolina |
| 48 | Minnie Bryant | 2 | Daughter | — | South Carolina |
| 49 | Emma Washington | 56 | Head | Farmer | South Carolina |
| 50 | Rosena Corbett | 23 | Daughter | Laborer | South Carolina |
| 51 | Joseph Corbett | 21 | Son | Laborer | South Carolina |
| 52 | Grover Corbett | 19 | Son | Laborer | South Carolina |
| 53 | Graddie Corbett | 16 | Son | Laborer | South Carolina |
| 54 | Willie Ashley | 52 | Head | Laborer | South Carolina |
| 55 | Pearl Ashley | 39 | Wife | — | South Carolina |
| 56 | James Ervin | 21 | Head | Laborer | South Carolina |
| 57 | Alice Ervin | 18 | Wife | — | South Carolina |
| 58 | Lagree Walker | 33 | Head | Merchant | South Carolina |
| 59 | Valerie Walker | 33 | Wife | — | South Carolina |
| 60 | Willie Bell | 60 | Head | Laborer | South Carolina |
| 61 | Carrie Bell | 59 | Wife | — | South Carolina |
| 62 | Sidney Crawford | 6 | Head | — | South Carolina |
| 63 | John Lewis Crawford | 4 | Grandson | — | South Carolina |
| 64 | James Ford | 32 | Head | Laborer | South Carolina |
| 65 | Rosa Lee Ford | 34 | Wife | — | South Carolina |
| 66 | Louis James Ford | 11 | Son | — | Georgia |
| 67 | Brinkley Lowe | 11 | Son | — | South Carolina |
| 68 | Willie Cummings | 33 | Head | Laborer | South Carolina |
| 69 | Irene Cummings | 25 | Wife | — | South Carolina |
| 70 | Angeline Cummings | 5 | Daughter | — | South Carolina |
| 71 | William Cummings | 2 | Son | — | South Carolina |
| 72 | Isaac Cummings | 55 | Head | Farming | South Carolina |
| 73 | Alice Cummings | 50 | Wife | — | South Carolina |
| 74 | Isaac Jr. Cummings | 24 | Son | Laborer | South Carolina |
| 75 | Mary Cummings THIS PERSON | 21 | Daughter | Laborer | South Carolina |
| 76 | Martha Cummings | 21 | Daughter | Laborer | South Carolina |
| 77 | Anderson Cummings | 17 | Son | Laborer | South Carolina |
| 78 | Hallie May Cummings | 12 | Daughter | — | South Carolina |
| 79 | Ruth Mae Cummings | 6 | Daughter | — | South Carolina |
| 80 | H. V. Walker | 41 | Head | Farmer | 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)