MH
Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, Mississippi
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Union-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Mississippi |
| Surname | Haynes |
| Given Name | Mary Delia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Ingomar |
| 1935 Residence (County) | Union |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Ingomar |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Frank Haynes | Son | — | 27 | ~1913 |
| Mary Haynes | Daughter | — | 18 | ~1922 |
| William R S | Son | — | 1 | ~1939 |
| Jena Haynes | Daughter | — | 16 | ~1924 |
| Head R S | Other | — | — | |
| Grace Haynes | Spouse | — | 50 | ~1890 |
| Frederic Haynes | Son | — | 27 | ~1913 |
| Lewis Haynes | Son | — | 19 | ~1921 |
| Dorothy Haynes | Daughter | — | 29 | ~1911 |
| Lorene R S | Spouse | — | 22 | ~1918 |
| John Haynes | Head | — | 53 | ~1887 |
Census Appearances
1930
Union, Mississippi
Daughter, age 8
Union, Mississippi · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary D |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Union-County, Mississippi
Daughter, age 18
Union-County, Mississippi · implied b. ~1922 — 11 household members
| Surname | Haynes |
| Given Name | Mary Delia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Ingomar |
| 1935 Residence (County) | Union |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 18 · b. ~1922 · Mississippi
★ You are viewing this record
Sibling
William R S
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederic Haynes
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Haynes
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jena Haynes
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Haynes
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Haynes
Sibling · 1940 · age 29
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, Mississippi
Open full size
1940 US Federal Census — Union-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02072-00078)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie A. Martin | 82 | Head | — | Mississippi |
| 2 | Lula Q. Martin | 52 | Daughter | — | Mississippi |
| 3 | Head Jessie | None | F | Sewing Room | — |
| 4 | Sister Ruby | None | F | — | — |
| 5 | Albert A. Hartley | 66 | Head | Soil Conservation | Mississippi |
| 6 | Lucy B. Hartley | 66 | Wife | — | Mississippi |
| 7 | Ivey C. Dillard | 59 | Head | Farming | Mississippi |
| 8 | Maggie D. Dillard | 50 | Wife | — | Mississippi |
| 9 | Head Elton R. | None | M | Farm | — |
| 10 | Wife Seabel | None | F | — | — |
| 11 | Daughter Martha Jean | None | F | — | — |
| 12 | Robert L. Langston | 65 | Head | — | Mississippi |
| 13 | Jennie D. Langston | 62 | Wife | — | Mississippi |
| 14 | Thomas J. Warren | 60 | Head | Clerical Work | Mississippi |
| 15 | Verla Mae Warren | 42 | Wife | — | Mississippi |
| 16 | Robert O. Williams | 20 | Son-in-law | Farming | Mississippi |
| 17 | Ruby Gene Williams | 19 | Daughter | — | Mississippi |
| 18 | James A. Prouence | 25 | Head | Laborer | Mississippi |
| 19 | Mildred Prouence | 18 | Wife | — | Mississippi |
| 20 | Jerry Gene Prouence | 1 | Son | — | Mississippi |
| 21 | Jamie Riddle | 26 | Head | Truck Driver | Mississippi |
| 22 | Sarah Q. Riddle | 25 | Wife | — | Mississippi |
| 23 | Richard Frank Riddle | 6 | Son | — | Mississippi |
| 24 | Sarah Evelyn Riddle | 5 | Daughter | — | Mississippi |
| 25 | Jimmie Fredric Riddle | 2 | Son | — | Mississippi |
| 26 | Bernard Curtis | 30 | Head | Farming | Mississippi |
| 27 | Elizabeth Curtis | 26 | Wife | — | Mississippi |
| 28 | John W. Haynes | 53 | Head | Highway Patrol | Mississippi |
| 29 | Grace Haynes | 50 | Wife | — | Mississippi |
| 30 | Dorothy H. Haynes | 29 | Daughter | Stenographer | Mississippi |
| 31 | Frederic D. Haynes | 27 | Son | Laborer | Mississippi |
| 32 | Frank Haynes | 27 | Son | — | Mississippi |
| 33 | Lewis Edwards Haynes | 19 | Son | Laborer | Mississippi |
| 34 | Mary Delia Haynes THIS PERSON | 18 | Daughter | — | Mississippi |
| 35 | Jena Blanche Haynes | 16 | Daughter | — | Mississippi |
| 36 | Head R. S. | None | M | Farm | — |
| 37 | Lorene R. S. | 22 | Wife | — | Mississippi |
| 38 | William L. R. S. | 1 | Son | — | Mississippi |
| 39 | Sammie Richardson | 43 | Head | Farmer | Mississippi |
| 40 | Cilla Richardson | 43 | Wife | Housekeeper | Mississippi |
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)