MH
Mary Hoover — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Mary Hoover across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Hoover |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Knoxville |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| E Hoover | Daughter | — | 18 | ~1922 |
| Merle Hoover | Son | — | 12 | ~1928 |
| Annette Hoover | Spouse | — | 48 | ~1892 |
| Hazel Hoover | Daughter | — | 21 | ~1919 |
| Mary Hoover | Daughter | — | 10 | ~1930 |
| Imogene Hoover | Daughter | — | 4 | ~1936 |
| Owen Hoover | Head | — | 55 | ~1885 |
| Owen Hoover | Son | — | 15 | ~1925 |
Census Appearances
1930
Knox, Tennessee
Daughter, age
Knox, Tennessee · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoover |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Daughter, age 10
Knox-County, Tennessee · implied b. ~1930 — 8 household members
| Surname | Hoover |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Highest Grade | G 4 |
| 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 Hoover across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hoover
Daughter · 1940 · age 10 · b. ~1930 · Tennessee
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Sibling
E Hoover
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Imogene Hoover
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Hoover
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Owen Hoover
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Hoover
Sibling · 1940 · age 21
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03958-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Steele | 10 | Daughter | — | Tennessee |
| 2 | Luda B. Hampstead | 52 | Head | Proprietor | Tennessee |
| 3 | H. Paul Hampstead | 21 | Son | Clerk | Tennessee |
| 4 | Edward J. Hampstead | 18 | Son | Salesman | Tennessee |
| 5 | Emerson Hampstead | 19 | Son | Clerk | Tennessee |
| 6 | Louis Broderman | 30 | Head | Presser | Tennessee |
| 7 | Bonnie Broderman | 22 | Wife | Plumber | Tennessee |
| 8 | Joyce Broderman | 4 | Daughter | — | Tennessee |
| 9 | Chris Broderman | 3 | Daughter | — | Tennessee |
| 10 | Lillie B. Wilson | 67 | Head | — | Tennessee |
| 11 | Joseph Wilson | 14 | Grandson | — | Ohio |
| 12 | Owen B. Hoover | 55 | Head | Pipe Fitter Helper | Tennessee |
| 13 | Annette S. Hoover | 48 | Wife | — | Tennessee |
| 14 | Hazel Hoover | 21 | Daughter | — | Tennessee |
| 15 | E. Lois Hoover | 18 | Daughter | Waitress | Tennessee |
| 16 | Owen Jr. Hoover | 15 | Son | — | Tennessee |
| 17 | Merle Hoover | 12 | Son | — | Tennessee |
| 18 | Mary Hoover THIS PERSON | 10 | Daughter | — | Tennessee |
| 19 | Imogene Hoover | 4 | Daughter | — | Tennessee |
| 21 | James Conner | 23 | Head | Carpenter | Tennessee |
| 22 | Geneva Conner | 19 | Wife | — | Tennessee |
| 23 | Robert E. Conner | 0 | Son | — | Tennessee |
| 24 | H. H. Johnson | 69 | Head | Laborer | Tennessee |
| 25 | Raymond Johnson | 36 | Son | Assembler (New Worker) | Tennessee |
| 26 | James H. Hayder | 63 | Head | Stone Cutter | Tennessee |
| 27 | Adaline Hayder | 48 | Wife | — | Tennessee |
| 28 | William Hayder | 25 | Son | Waiter | Tennessee |
| 29 | Kenneth Hayder | 19 | Son | New Worker | Tennessee |
| 30 | Lucille Hayder | 15 | Daughter | — | Tennessee |
| 31 | James Hayder | 11 | Son | — | Tennessee |
| 32 | Clarence Kane | 34 | Head | Pulverizer | Tennessee |
| 33 | Mary Kane | 38 | Wife | — | Tennessee |
| 34 | Betty C. Kane | 3 | Daughter | — | Tennessee |
| 35 | Edith J. Kane | 2 | Daughter | — | Tennessee |
| 36 | Chester Earle | 18 | Step-son | New Worker | Tennessee |
| 37 | Eugene Earle | 15 | Step-son | — | Tennessee |
| 38 | Hazel Earle | 14 | Step-daughter | — | Tennessee |
| 39 | Vivian Earle | 13 | Step-daughter | — | Tennessee |
| 40 | William Earle | 11 | Step-son | — | 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)