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Margaret Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Tennessee
Our Model Tree links this Margaret Black across the 1930 and 1940 US Censuses in Montgomery-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Tennessee |
| Surname | Black |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Clarksville |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Clarksville |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Annie Black | Head | — | 45 | ~1895 |
| Margaret Black | Daughter | — | 14 | ~1926 |
| William Black | Son | — | 21 | ~1919 |
| T Black | Son | — | 9 | ~1931 |
| Ray Black | Son | — | 19 | ~1921 |
| Finis Black | Son | — | 1 | ~1939 |
| Otis Black | Son | — | 6 | ~1934 |
| Rodney Black | Son | — | 4 | ~1936 |
| Carl Black | Son | — | 11 | ~1929 |
| Merly Black | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Montgomery, Tennessee
Daughter, age 4
Montgomery, Tennessee · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Margaret J |
| 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
Montgomery-County, Tennessee
Daughter, age 14
Montgomery-County, Tennessee · implied b. ~1926 — 10 household members
| Surname | Black |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Clarksville |
| 1935 Residence (County) | Montgomery |
| Highest Grade | Hs 1 |
| 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 Margaret Black across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Black
Daughter · 1940 · age 14 · b. ~1926 · Tennessee
★ You are viewing this record
Sibling
Rodney Black
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Finis Black
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merly Black
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Black
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Black
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otis Black
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Black
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
T Black
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 — Montgomery-County, Tennessee
Open full size
1940 US Federal Census — Montgomery-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03923-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Black | 28 | Brother | Laborer | Tennessee |
| 42 | Annie Lee Black | 45 | Head | Housekeeper | Tennessee |
| 43 | Ray Black | 19 | Son | Truck Driver | Tennessee |
| 44 | Merly Black | 16 | Daughter | — | Tennessee |
| 45 | Margaret L. Black THIS PERSON | 14 | Daughter | — | Tennessee |
| 46 | Carl Black | 11 | Son | — | Tennessee |
| 47 | T. Eugene Black | 9 | Son | — | Tennessee |
| 48 | Otis Black | 6 | Son | — | Tennessee |
| 49 | Rodney Black | 4 | Son | — | Tennessee |
| 50 | Finis H. Black | 1 | Son | — | Tennessee |
| 51 | William Walker Black | 21 | Son | Assistant Grader | Tennessee |
| 52 | Edney Rottenberry | 59 | Head | Contractor | Tennessee |
| 53 | Lella Rottenberry | 52 | Wife | Cook | Kentucky |
| 54 | Lillian Rottenberry | 12 | Daughter | — | Tennessee |
| 55 | Betty Lou Rottenberry | 6 | Daughter | — | Tennessee |
| 56 | Walter R. Rottenberry | 29 | Son | Truck Driver | Tennessee |
| 57 | Sadie Rottenberry | 24 | Daughter-in-law | — | Tennessee |
| 58 | Charles R. Rottenberry | 4 | Grandson | — | Tennessee |
| 59 | Calvin A. Harpe | 71 | Head | — | Tennessee |
| 60 | Elizabeth Harpe | 74 | Wife | — | Kentucky |
| 61 | Dick Helms | 62 | Head | Salesman | Texas |
| 62 | Jessie Helms | 50 | Wife | — | Tennessee |
| 63 | Blanche Helms | 30 | Daughter | Teacher | Tennessee |
| 64 | Douglas Haly | 59 | Head | Farmer | Tennessee |
| 65 | Iddee Haly | 66 | Wife | — | Tennessee |
| 66 | Clarence Haly | 63 | Head | Farmer | Tennessee |
| 67 | Colin John Rae | 56 | Head | Farmer | Tennessee |
| 68 | Bessie Rae | 58 | Wife | General Housework | Tennessee |
| 69 | Ira Hampton | 37 | Head | Edge Setting | Tennessee |
| 70 | Mary Lou Hampton | 36 | Wife | — | Tennessee |
| 71 | Marie Hampton | 15 | Daughter | — | Tennessee |
| 72 | Kathleen Hampton | 13 | Daughter | — | Tennessee |
| 73 | Bernice Hampton | 9 | Daughter | — | Tennessee |
| 74 | Dorothy Hampton | 6 | Daughter | — | Tennessee |
| 75 | Floyd Coker | 29 | Head | Grader | Tennessee |
| 76 | Mina Bell Coker | 31 | Wife | — | Tennessee |
| 77 | Imogene Coker | 10 | Daughter | — | Tennessee |
| 78 | Thomas Bailey Coker | 9 | Son | — | Tennessee |
| 79 | Staton Berry | 30 | Cousin | Laborer | Tennessee |
| 80 | Nora Coke | 50 | Head | — | Tennessee |
Related Census Records
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)