MH
Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, South Carolina
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Calhoun-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 9-person household.
Age 32
b. ~1908
Female
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, South Carolina |
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons Township |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Farm Labour |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 90 |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Labour |
| Township / Ward | Lyons Township |
| Est. Birth Year | ~1908 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Zula Haynes | Daughter | — | 13 | ~1927 |
| Raymond Haynes | Son | — | 4 | ~1936 |
| Gladys Haynes | Daughter | — | 7 | ~1933 |
| Isaiah Haynes | Son | — | 19 | ~1921 |
| James Haynes | Son | — | 21 | ~1919 |
| Mary Haynes | Head | — | 32 | ~1908 |
| Lourine Haynes | Daughter | — | 6 | ~1934 |
| Eurlene Haynes | Daughter | — | 11 | ~1929 |
| David Haynes | Son | — | 15 | ~1925 |
Census Appearances
1930
Calhoun, South …
Spouse, age 22
Calhoun, South Carolina · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Maud H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 21 |
| 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
Calhoun-County, South …
Head, age 32
Calhoun-County, South Carolina · implied b. ~1908 — 9 household members
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons Township |
| 1935 Residence (County) | Calhoun |
| Occupation | Farm Labour |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 90 |
| Highest Grade | No 6 |
| 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.
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This person
Anchor record
Mary Haynes
Head · 1940 · age 32 · b. ~1908 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Calhoun-County, South Carolina
Open full size
1940 US Federal Census — Calhoun-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03792-00371)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Moses Mack | 9 | Nephew | — | South Carolina |
| 42 | Salina Mack | 7 | Niece | — | South Carolina |
| 43 | Napoleon Troutman | 36 | Head | Labour | South Carolina |
| 44 | Jeannie Troutman | 41 | Wife | Farmer | South Carolina |
| 45 | Daniel Williams | 21 | Step-son | Labour | South Carolina |
| 46 | Ulysses Williams | 15 | Step-son | — | South Carolina |
| 47 | Milton Williams | 11 | Step-son | — | South Carolina |
| 48 | Grover Lee Williams | 8 | Step-son | — | South Carolina |
| 49 | Rebecca Kennarkin | 72 | Mother-in-law | — | South Carolina |
| 50 | Mary Jackson | 63 | Lodger | — | South Carolina |
| 51 | Acquilla Sanford | 36 | Head | Labour | South Carolina |
| 52 | Maggie Sanford | 35 | Wife | — | South Carolina |
| 53 | Norwood Sanford | 17 | Son | — | South Carolina |
| 54 | Thomas Sanford | 12 | Son | — | South Carolina |
| 55 | Margaret Sanford | 9 | Daughter | — | South Carolina |
| 56 | Betty Sanford | 5 | Daughter | — | South Carolina |
| 57 | Lrosterd|Lroster Sanford | 1 | Son | — | South Carolina |
| 58 | Mary Haynes THIS PERSON | 32 | Head | Farm Labour | South Carolina |
| 59 | James Haynes | 21 | Son | Farm Labour | South Carolina |
| 60 | Isaiah Haynes | 19 | Son | Labour | South Carolina |
| 61 | David Lee Haynes | 15 | Son | Farm Labour | South Carolina |
| 62 | Zula Mae Haynes | 13 | Daughter | — | South Carolina |
| 63 | Eurlene Haynes | 11 | Daughter | — | South Carolina |
| 64 | Gladys Haynes | 7 | Daughter | — | South Carolina |
| 65 | Lourine Haynes | 6 | Daughter | — | South Carolina |
| 66 | Raymond Haynes | 4 | Son | — | South Carolina |
| 67 | Glenn Price | 45 | Head | Farmer | South Carolina |
| 68 | Ruby Price | 47 | Wife | — | South Carolina |
| 69 | Glenn Jr Price | 18 | Son | — | South Carolina |
| 70 | Minnie R. Price | 16 | Daughter | — | South Carolina |
| 71 | John Henry Price | 13 | Son | — | South Carolina |
| 72 | Pinkney Price | 12 | Son | — | South Carolina |
| 73 | Mamie Dee Price | 11 | Daughter | — | South Carolina |
| 74 | Paul Lee | 30 | Head | Farm Labour | South Carolina |
| 75 | Olenia Lee | 23 | Wife | — | South Carolina |
| 76 | Lurline Lee | 1 | Daughter | — | South Carolina |
| 77 | Willie Goodwin | 24 | Head | Farm Labour | South Carolina |
| 78 | Ima Goodwin | 21 | Wife | — | South Carolina |
| 79 | Ella Goodwin | 5 | Daughter | — | South Carolina |
| 80 | Rosa Goodwin | 0 | Daughter | — | South Carolina |
Related Census Records
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)