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Mary Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this Mary Black across the 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 12-person household.
Age 42
b. ~1898
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Nashville |
| Est. Birth Year | ~1898 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alberta Black | Daughter | — | 4 | ~1936 |
| Julia Black | Daughter | — | 18 | ~1922 |
| Aline Black | Daughter | — | 10 | ~1930 |
| Allen Black | Head | — | 44 | ~1896 |
| Thomas Black | Other | — | 1 | ~1939 |
| Daniel Black | Son | — | 14 | ~1926 |
| Finis Black | Son | — | 1 | ~1939 |
| John Black | Son | — | 8 | ~1932 |
| Edward Black | Son | — | 6 | ~1934 |
| Samuel Black | Son | — | 13 | ~1927 |
| Richard Black | Son | — | 16 | ~1924 |
| Mary Black | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Davidson, Tennessee
Spouse, age 32
Davidson, Tennessee · implied b. ~1898 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Block |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Spouse, age 42
Davidson-County, Tennessee · implied b. ~1898 — 12 household members
| Surname | Black |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| 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
Spouse · 1940 · age 42 · b. ~1898 · Tennessee
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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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03974-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mattie Fleming | 78 | Head | — | Tennessee |
| 2 | Charley Fleming | 52 | Son | Porter | Tennessee |
| 3 | Julia Collier | 53 | Head | — | Tennessee |
| 4 | Harry Collier | 27 | Son | Worker | Tennessee |
| 5 | Lou Kennedy | 26 | Lodger | — | Tennessee |
| 6 | Lela Jones | 22 | Lodger | Housework | Connecticut |
| 7 | Robert Rucker | 35 | Head | — | Tennessee |
| 8 | Kitty Rucker | 34 | Wife | — | Tennessee |
| 9 | Ollie Rucker | 3 | Son | — | Tennessee |
| 10 | L. W. Work | 63 | Head | Sewer | Tennessee |
| 11 | Myrtle Work | 60 | Wife | Janitor | Kansas |
| 12 | Carrie Work | 37 | Daughter | Housework | Tennessee |
| 13 | Mary Work | 25 | Daughter | Maid | Tennessee |
| 14 | Francis Work | 23 | Daughter | Ass. Janitor | Tennessee |
| 15 | Susie Couch | 12 | Granddaughter | — | Tennessee |
| 16 | John Couch | 10 | Grandson | — | Tennessee |
| 17 | Frank Couch | 6 | Grandson | — | Tennessee |
| 18 | Mary White | 45 | Head | Maid | Tennessee |
| 19 | Henry Pointer | 60 | Head | Rock Mason | Tennessee |
| 20 | Mary Pointer | 50 | Wife | Laundry | Tennessee |
| 21 | William Turner | 15 | Grandson | — | Tennessee |
| 22 | Anna Turner | 13 | Granddaughter | — | Tennessee |
| 23 | Phillip Waters | 58 | Head | Day Work | Tennessee |
| 24 | Lucy Waters | 58 | Wife | Laundry | Alabama |
| 25 | Allen Black | 44 | Head | Porter | Tennessee |
| 26 | Mary Black THIS PERSON | 42 | Wife | — | Tennessee |
| 27 | Julia Black | 18 | Daughter | Day Work | Tennessee |
| 28 | Richard Black | 16 | Son | Delivery Boy | Tennessee |
| 29 | Daniel Black | 14 | Son | — | Tennessee |
| 30 | Samuel Black | 13 | Son | — | Tennessee |
| 31 | Aline Black | 10 | Daughter | — | Tennessee |
| 32 | John Black | 8 | Son | — | Tennessee |
| 33 | Edward Black | 6 | Son | — | Tennessee |
| 34 | Alberta Black | 4 | Daughter | — | Tennessee |
| 35 | Finis Black | 1 | Son | — | Tennessee |
| 36 | Thomas Black | 1 | Grandson | — | Tennessee |
| 37 | Maggie Parrish | 52 | Head | — | Tennessee |
| 38 | Lottie Hide | 54 | Sister | Laundry | Tennessee |
| 39 | George Hide | 23 | Nephew | Laundry | Tennessee |
| 40 | Cornelia Williamson | 62 | Head | — | 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)