MH
Mary Hoover — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Mary Hoover across the 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Hoover |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Hazel Hoover | Daughter | — | 3 | ~1937 |
| Jack Hoover | Head | — | 43 | ~1897 |
| Louella Hoover | Daughter | — | 14 | ~1926 |
| Emma Hoover | Daughter | — | 5 | ~1935 |
| Elizabeth Hoover | Spouse | — | 37 | ~1903 |
| Verna Hoover | Daughter | — | 12 | ~1928 |
| Mary Hoover | Daughter | — | 15 | ~1925 |
| Charlotte Hoover | Daughter | — | 8 | ~1932 |
| William Ackerman | Other | — | 66 | ~1874 |
Census Appearances
1930
Scioto, Ohio
Daughter, age 5
Scioto, Ohio · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoover |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Scioto-County, Ohio
Daughter, age 15
Scioto-County, Ohio · implied b. ~1925 — 9 household members
| Surname | Hoover |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Scioto |
| Class of Worker | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Hazel Hoover
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Hoover
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Hoover
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louella Hoover
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Hoover
Sibling · 1940 · age 12
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 — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03142-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer R Montgomery | 23 | Son | — | Ohio |
| 2 | John Haffner | 31 | Head | Cutter | Kentucky |
| 3 | Virginia Haffner | 31 | Wife | — | Kentucky |
| 4 | Michael Haffner | 2 | Son | — | Ohio |
| 5 | Harry Haffner | 37 | Brother | Cutter | Kentucky |
| 6 | Edna Haffner | 33 | Sister in law | — | Ohio |
| 7 | Patricia A Haffner | 6 | Niece | — | Ohio |
| 8 | Sue C Haffner | 2 | Niece | — | Ohio |
| 9 | Robert Jr. Love | 29 | Head | Service Man | Pennsylvania |
| 10 | Monna Love | 30 | Wife | — | Kentucky |
| 11 | June R Love | 4 | Daughter | — | Ohio |
| 12 | Raymond Enz | 28 | Head | Core Maker | Ohio |
| 13 | Maud Enz | 21 | Wife | — | Ohio |
| 14 | Ramona Enz | 3 | Daughter | — | Ohio |
| 15 | Eugene Jr Enz | 1 | Son | — | Ohio |
| 16 | Earnest Salyers | 34 | Head | Laborer | Kentucky |
| 17 | Mary Salyers | 32 | Wife | — | Kentucky |
| 18 | Jack R Salyers | 8 | Son | — | Ohio |
| 19 | Jack Hoover | 43 | Head | Carpenter | Ohio |
| 20 | Elizabeth Hoover | 37 | Wife | — | Ohio |
| 21 | Mary E Hoover THIS PERSON | 15 | Daughter | — | Ohio |
| 22 | Louella Hoover | 14 | Daughter | — | Ohio |
| 23 | Verna A Hoover | 12 | Daughter | — | Ohio |
| 24 | Charlotte Hoover | 8 | Daughter | — | Ohio |
| 25 | Emma P Hoover | 5 | Daughter | — | Ohio |
| 26 | Hazel R Hoover | 3 | Daughter | — | Ohio |
| 27 | William Ackerman | 66 | Father in law | — | Ohio |
| 28 | Lindsey Campbell | 55 | Head | Engineer | Ohio |
| 29 | Cora Campbell | 40 | Wife | Fancy Stitcher | Ohio |
| 30 | Thomas E Shope | 32 | Head | Carpenter | Kentucky |
| 31 | Pearl Shope | 26 | Wife | Shoe Garment | Kentucky |
| 32 | Helen M Shope | 8 | Daughter | — | Ohio |
| 33 | Allen L Mcgraw | 50 | Head | Electrician | Ohio |
| 34 | Emma Mcgraw | 50 | Wife | — | Kentucky |
| 35 | Aaron Mcgraw | 21 | Son | Truck Driver | Ohio |
| 36 | Gentry Mcgraw | 13 | Son | — | Ohio |
| 37 | Mary J Beck | 80 | Mother in law | — | Kentucky |
| 38 | Stanley Pennington | 53 | Head | Laborer | Kentucky |
| 39 | Madeline Pennington | 57 | Wife | — | Kentucky |
| 40 | Jesse Pennington | 24 | Son | Laborer | Kentucky |
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)