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Mary Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcnairy-County, Tennessee
Our Model Tree links this Mary Black across the 1930 and 1940 US Censuses in Mcnairy-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 13-person household.
Age 16
b. ~1924
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcnairy-County, Tennessee |
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | First District |
| 1935 Residence (County) | McNairy |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | First District |
| Est. Birth Year | ~1924 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruby Black | Daughter | — | 17 | ~1923 |
| Lessie Black | Daughter | — | 20 | ~1920 |
| Opal Black | Daughter | — | 5 | ~1935 |
| Ray Black | Daughter | — | 14 | ~1926 |
| Mary Black | Daughter | — | 16 | ~1924 |
| Aduradie Black | Daughter | — | 21 | ~1919 |
| Birdie Black | Daughter | — | 12 | ~1928 |
| Eulas Black | Head | — | 48 | ~1892 |
| Robert Black | Son | — | 10 | ~1930 |
| Willard Black | Son | — | 18 | ~1922 |
| Bennie Black | Son | — | 3 | ~1937 |
| Jimmie Black | Son | — | 6 | ~1934 |
| Cora Black | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Mcnairy, Tennessee
Daughter, age 4
Mcnairy, Tennessee · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Mcnairy-County, Tennessee
Daughter, age 16
Mcnairy-County, Tennessee · implied b. ~1924 — 13 household members
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | First District |
| 1935 Residence (County) | McNairy |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Black across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Black
Daughter · 1940 · age 16 · b. ~1924 · Tennessee
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Sibling
Jimmie Black
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Birdie Black
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bennie Black
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Black
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willard Black
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Black
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aduradie Black
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Black
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lessie Black
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Black
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 — Mcnairy-County, Tennessee
Open full size
1940 US Federal Census — Mcnairy-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03916-00009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Tommie Tidwell | 28 | Wife | — | Tennessee |
| 42 | Bobbie H. Tidwell | 10 | Son | — | Tennessee |
| 43 | Snethir|Snethia Tidwell | 7 | Daughter | — | Tennessee |
| 44 | Emma Tidwell | 46 | Mother | — | Tennessee |
| 45 | Eulas D. Black | 48 | Head | Farming | Tennessee |
| 46 | Cora Black | 41 | Wife | — | Tennessee |
| 47 | Adur|Adie Black | 21 | Daughter | Farming | Tennessee |
| 48 | Lessie Black | 20 | Daughter | Farming | Tennessee |
| 49 | Willard Black | 18 | Son | Farming | Tennessee |
| 50 | Ruby Black | 17 | Daughter | Farming | Tennessee |
| 51 | Mary Black THIS PERSON | 16 | Daughter | — | Tennessee |
| 52 | Ray Black | 14 | Daughter | — | Tennessee |
| 53 | Birdie Black | 12 | Daughter | — | Tennessee |
| 54 | Robert Black | 10 | Son | — | Tennessee |
| 55 | Jimmie Black | 6 | Son | — | Tennessee |
| 56 | Opal Black | 5 | Daughter | — | Tennessee |
| 57 | Bennie Black | 3 | Son | — | Tennessee |
| 58 | Dalton D. Packer | 49 | Head | — | Tennessee |
| 59 | Annie Mae Packer | 30 | Wife | — | Alabama |
| 60 | J. D. Packer | 8 | Son | Hired Labor | Tennessee |
| 61 | Carl May Packer | 6 | Son | — | Tennessee |
| 62 | Joan Packer | 1 | Daughter | — | Tennessee |
| 63 | Newt C. Wheatley | 57 | Head | Hired Hand | Tennessee |
| 64 | Opia V. Wheatley | 51 | Wife | — | Tennessee |
| 65 | Bessie Mae Wheatley | 19 | Daughter | — | Tennessee |
| 66 | Evelin Wheatley | 14 | Daughter | — | Tennessee |
| 67 | Carrie Wheatley | 11 | Daughter | — | Tennessee |
| 68 | Thomas Wheatley | 8 | Son | — | Tennessee |
| 69 | Ruthie D. Wheatley | 4 | Daughter | — | Tennessee |
| 70 | Earl M. Crow | 50 | Head | Farming | Tennessee |
| 71 | Bessie Crow | 53 | Wife | — | Tennessee |
| 72 | Edward Crow | 16 | Son | — | Tennessee |
| 73 | James Crow | 13 | Son | — | Tennessee |
| 74 | Allen Broom | 42 | Head | Farming | Tennessee |
| 75 | Edra Broom | 34 | Wife | — | Tennessee |
| 76 | Ardra J. Halland | 2 | Niece | — | Tennessee |
| 77 | John Young | 54 | Head | Farming | Tennessee |
| 78 | Birdie Young | 51 | Wife | — | Tennessee |
| 79 | Earl Young | 17 | Son | — | Tennessee |
| 80 | J. H. Hardin | 24 | Head | Farming | Tennessee |
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)