MH
Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dorchester-County, South Carolina
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Dorchester-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, South Carolina |
| Surname | Haynes |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Collins Township |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Occupation | Farmhand |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmhand |
| Township / Ward | Collins Township |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mattie Haynes | Spouse | — | 37 | ~1903 |
| Mattie Haynes | Daughter | — | 9 | ~1931 |
| Absolum Haynes | Head | — | 41 | ~1899 |
| Robert Haynes | Son | — | 5 | ~1935 |
| Ezekiel Haynes | Son | — | 12 | ~1928 |
| Carrie Haynes | Daughter | — | 2 | ~1938 |
| Richie Haynes | Son | — | 3 | ~1937 |
| Mary Haynes | Daughter | — | 17 | ~1923 |
| Abraham Haynes | Son | — | 7 | ~1933 |
| Justina Haynes | Daughter | — | 16 | ~1924 |
| Franklin Haynes | Son | — | 14 | ~1926 |
Census Appearances
1930
Berkeley, South …
Daughter, age 7
Berkeley, South Carolina · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Maybelle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| 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 |
1940
Dorchester-County, South …
Daughter, age 17
Dorchester-County, South Carolina · implied b. ~1923 — 11 household members
| Surname | Haynes |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Collins Township |
| 1935 Residence (County) | Dorchester |
| Occupation | Farmhand |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Haynes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Haynes
Daughter · 1940 · age 17 · b. ~1923 · South Carolina
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Sibling
Franklin Haynes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Justina Haynes
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abraham Haynes
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Haynes
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ezekiel Haynes
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Haynes
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Haynes
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richie Haynes
Sibling · 1940 · age 3
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 — Dorchester-County, South Carolina
Open full size
1940 US Federal Census — Dorchester-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03805-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mooses Smalls | 13 | Son | — | South Carolina |
| 2 | Isaac Smalls | 10 | Son | — | South Carolina |
| 3 | Willie Smalls | 8 | Son | — | South Carolina |
| 4 | Minus Smalls | 47 | Head | Farmer | South Carolina |
| 5 | Anna Smalls | 21 | Wife | Farmhand | South Carolina |
| 6 | Lizzie Smalls | 4 | Daughter | — | South Carolina |
| 7 | Ida Smalls | 2 | Daughter | — | South Carolina |
| 8 | Robert Geddis | 40 | Head | Farmer | South Carolina |
| 9 | Dora Geddis | 38 | Wife | Farmhand | South Carolina |
| 10 | Edna Geddis | 13 | Daughter | — | South Carolina |
| 11 | Joseph Geddis | 12 | Son | — | South Carolina |
| 12 | Fred Geddis | 11 | Son | — | South Carolina |
| 13 | Theodora Geddis | 9 | Daughter | — | South Carolina |
| 14 | Mckinley Geddis | 6 | Son | — | South Carolina |
| 15 | Malachi Geddis | 5 | Son | — | South Carolina |
| 16 | Theodore Geddis | 3 | Son | — | South Carolina |
| 17 | Julia Geddis | 1 | Daughter | — | South Carolina |
| 18 | Josh Geddis | 34 | Head | Farmer | South Carolina |
| 19 | Lucenia Geddis | 30 | Wife | Farmhand | South Carolina |
| 20 | Angie Geddis | 13 | Daughter | — | South Carolina |
| 21 | Rebelia Geddis | 10 | Daughter | — | South Carolina |
| 22 | Arthur Singleton | 63 | Head | Farmer | South Carolina |
| 23 | Eulilie Singleton | 75 | Mother | — | South Carolina |
| 24 | Iron Singleton | 7 | Nephew | — | South Carolina |
| 25 | Ben Geddis | 48 | Head | Farmer | South Carolina |
| 26 | Lucile Geddis | 36 | Wife | Farmhand | South Carolina |
| 27 | James Geddis | 6 | Adopt. Son | — | South Carolina |
| 28 | Georgia Neal | 52 | Head | Farmer | South Carolina |
| 29 | Absolum Haynes | 41 | Head | Farmer | South Carolina |
| 30 | Mattie Haynes | 37 | Wife | Farmhand | South Carolina |
| 31 | Mary Jane Haynes THIS PERSON | 17 | Daughter | Farmhand | South Carolina |
| 32 | Justina Haynes | 16 | Daughter | Farmhand | South Carolina |
| 33 | Franklin Haynes | 14 | Son | Farmhand | South Carolina |
| 34 | Ezekiel Haynes | 12 | Son | — | South Carolina |
| 35 | Mattie Haynes | 9 | Daughter | — | South Carolina |
| 36 | Abraham Haynes | 7 | Son | — | South Carolina |
| 37 | Robert Haynes | 5 | Son | — | South Carolina |
| 38 | Richie Haynes | 3 | Son | — | South Carolina |
| 39 | Carrie Lee Haynes | 2 | Daughter | — | South Carolina |
| 40 | Martha Thompson | 58 | 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)