MH
Mary Haynes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Prentiss-County, Mississippi
Our Model Tree links this Mary Haynes across the 1930 and 1940 US Censuses in Prentiss-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Prentiss-County, Mississippi |
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 3 |
| 1935 Residence (County) | Prentiss |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 3 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fred Haynes | Head | — | 50 | ~1890 |
| Jo Haynes | Son | — | 14 | ~1926 |
| Dewey Haynes | Son | — | 16 | ~1924 |
| Mary Haynes | Daughter | — | 18 | ~1922 |
| Dollie Haynes | Spouse | — | 39 | ~1901 |
| Doris Haynes | Daughter | — | 2 | ~1938 |
| Fred Haynes | Son | — | 12 | ~1928 |
| Curtis Haynes | Son | — | 5 | ~1935 |
| Robert Haynes | Son | — | 9 | ~1931 |
Census Appearances
1930
Alcorn, Mississippi
Daughter, age 7
Alcorn, Mississippi · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haynes |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Prentiss-County, Mississippi
Daughter, age 18
Prentiss-County, Mississippi · implied b. ~1922 — 9 household members
| Surname | Haynes |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 3 |
| 1935 Residence (County) | Prentiss |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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
Doris Haynes
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jo Haynes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dewey Haynes
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Haynes
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Haynes
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis Haynes
Sibling · 1940 · age 5
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 — Prentiss-County, Mississippi
Open full size
1940 US Federal Census — Prentiss-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02060-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leone Dalvery | 11 | daughter | — | Mississippi |
| 42 | Linda Mae Dalvery | 4 | daughter | — | Mississippi |
| 43 | Walter R. Lloyd | 66 | Head | Farmer | Mississippi |
| 44 | Martha Ann Lloyd | 64 | wife | — | Mississippi |
| 45 | Joe V. Yancy | 31 | Head | Farmer | Mississippi |
| 46 | Carrie Yancy | 35 | wife | — | Mississippi |
| 47 | Clifford Argene Yancy | 10 | son | — | Mississippi |
| 48 | Joel Russell Yancy | 4 | son | — | Mississippi |
| 49 | Raymond Neal Yancy | 3 | son | — | Mississippi |
| 50 | Ralph Dall Yancy | 1 | son | — | Mississippi |
| 51 | Carrie B. Yancy | 66 | mother | — | Mississippi |
| 52 | Wallace Yancy | 47 | laborer | Laborer | Mississippi |
| 53 | Fred W. Haynes | 50 | Head | Laborer | Mississippi |
| 54 | Dollie Ann Haynes | 39 | wife | House Keeper | Mississippi |
| 55 | Mary Haynes THIS PERSON | 18 | daughter | — | Mississippi |
| 56 | Dewey H. Haynes | 16 | son | — | Mississippi |
| 57 | Jo D. Haynes | 14 | son | — | Mississippi |
| 58 | Fred Jr. Haynes | 12 | son | — | Mississippi |
| 59 | Robert Haynes | 9 | son | — | Mississippi |
| 60 | Curtis D. Haynes | 5 | son | — | Mississippi |
| 61 | Doris Luadien Haynes | 2 | daughter | — | Mississippi |
| 62 | Leland Calvery | 34 | Head | — | Mississippi |
| 63 | Ethel Mae Calvery | 33 | wife | — | Mississippi |
| 64 | Annie Lee Calvery | 17 | daughter | — | Mississippi |
| 65 | Genette Lee Calvery | 15 | daughter | — | Mississippi |
| 66 | Marion Thomas Calvery | 12 | son | — | Mississippi |
| 67 | Eugene Calvery | 10 | son | — | Mississippi |
| 68 | Inez Calvery | 7 | daughter | — | Mississippi |
| 69 | Maxine Calvery | 5 | daughter | — | Mississippi |
| 70 | Jim Copeland | 53 | Head | Laborer | Mississippi |
| 71 | Ida Copeland | 55 | wife | — | Mississippi |
| 72 | James Copeland | 13 | son | — | Mississippi |
| 73 | Helen Copeland | 11 | daughter | — | Mississippi |
| 74 | Warman B. Wallace | 43 | Head | — | Mississippi |
| 75 | Ethel Wallace | 30 | wife | Laborer | Mississippi |
| 76 | Louise Wallace | 13 | daughter | — | Mississippi |
| 77 | Arland Wallace | 11 | son | — | Mississippi |
| 78 | Dewdrop Wallace | 4 | daughter | — | Mississippi |
| 79 | David C. Hill | 74 | Head | Farmer | Mississippi |
| 80 | Irma Hill | 50 | wife | — | 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)