MW
Mary Wells — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bolivar-County, Mississippi
Our Model Tree links this Mary Wells across the 1930 and 1940 US Censuses in Bolivar-County, Mississippi (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bolivar-County, Mississippi |
| Surname | Wells |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Bolivar |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Josephine Wells | Daughter | — | 9 | ~1931 |
| Mary Wells | Daughter | — | 12 | ~1928 |
| Jordan Wells | Head | — | 38 | ~1902 |
| Herman Wells | Son | — | 5 | ~1935 |
| Theodore Wells | Son | — | 3 | ~1937 |
| Henry Wells | Son | — | 17 | ~1923 |
| Robert Wells | Son | — | 15 | ~1925 |
| Herman Wells | Son | — | 6 | ~1934 |
| Ethel Wells | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Bolivar, Mississippi
Daughter, age 4
Bolivar, Mississippi · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walls |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Bolivar-County, Mississippi
Daughter, age 12
Bolivar-County, Mississippi · implied b. ~1928 — 9 household members
| Surname | Wells |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Bolivar |
| Highest Grade | No 2 |
| 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 Wells across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wells
Daughter · 1940 · age 12 · b. ~1928 · Mississippi
★ You are viewing this record
Sibling
Theodore Wells
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Wells
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Wells
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Wells
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Wells
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Wells
Sibling · 1940 · age 9
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 — Bolivar-County, Mississippi
Open full size
1940 US Federal Census — Bolivar-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02010-00456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Moses Woolley | 25 | Head | Farmer | Mississippi |
| 42 | Phunke|Phunkie Woolley | 25 | Wife | H | Mississippi |
| 43 | Tom Hunt | 32 | Head | Farmer | Mississippi |
| 44 | Estelle Hunt | 30 | Wife | H | Mississippi |
| 45 | Sinnie Hunt | 13 | Daughter | — | Mississippi |
| 46 | Easter Hunt | 8 | Daughter | — | Mississippi |
| 47 | Willie Davis | 35 | Head | Farmer | Mississippi |
| 48 | Ben Gorman | 28 | Head | Farmer | Mississippi |
| 49 | Boden Dorm | 60 | Head | Farmer | Louisiana |
| 50 | Viola Dorm | 34 | Wife | H | Louisiana |
| 51 | Estella Dorm | 64 | Sister | U | Louisiana |
| 52 | Robert Lawrence | 55 | Head | Farmer | Mississippi |
| 53 | Hattie Lawrence | 37 | Wife | H | Mississippi |
| 54 | Annie Lawrence | 17 | Daughter | H | Mississippi |
| 55 | Charlie Lawrence | 15 | Son | S | Mississippi |
| 56 | Alie Lawrence | 13 | Daughter | — | Mississippi |
| 57 | Robert Lawrence | 10 | Son | — | Mississippi |
| 58 | Frances Lawrence | 9 | Son | — | Mississippi |
| 59 | Rodney Lawrence | 5 | Son | — | Mississippi |
| 60 | Rebecca Lawrence | 4 | Daughter | — | Mississippi |
| 61 | James L. Lawrence | 3 | Son | — | Mississippi |
| 62 | Jordan Wells | 38 | Head | Farmer | Mississippi |
| 63 | Ethel Wells | 35 | Wife | H | Mississippi |
| 64 | Henry Wells | 17 | Son | Farm Laborer | Mississippi |
| 65 | Robert Wells | 15 | Son | S | Mississippi |
| 66 | Mary Wells THIS PERSON | 12 | Daughter | — | Mississippi |
| 67 | Josephine Wells | 9 | Daughter | — | Mississippi |
| 68 | Herman Wells | 6 | Son | — | Mississippi |
| 69 | Herman Wells | 5 | Son | — | Mississippi |
| 70 | Theodore Wells | 3 | Son | — | Mississippi |
| 71 | Percy Brown | 34 | Head | Farmer | Mississippi |
| 72 | Jannie Mae Brown | 36 | Wife | H | Mississippi |
| 73 | Eugene Washington | 34 | Head | Farmer | Mississippi |
| 74 | Marie Washington | 20 | Wife | H | Mississippi |
| 75 | Eugene Jr. Washington | 5 | Son | — | Mississippi |
| 76 | Lotta Washington | 3 | Daughter | — | Mississippi |
| 77 | Myrtis Washington | 0 | Daughter | — | Mississippi |
| 78 | Ward Smith | 30 | Head | Farmer | Mississippi |
| 79 | Mary Smith | 26 | Wife | H | Mississippi |
| 80 | Lethia Mae Smith | 9 | Daughter | — | 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)