MH
Mary Hoover — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Henry-County, Iowa
Our Model Tree links this Mary Hoover across the 1930 and 1940 US Censuses in Henry-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 7-person household.
Age 44
b. ~1896
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Iowa |
| Surname | Hoover |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Tippecanoe |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Occupation | Housewife |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Housewife |
| Township / Ward | Tippecanoe |
| Est. Birth Year | ~1896 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patrick Hoover | Son | — | 6 | ~1934 |
| Mary Hoover | Spouse | — | 44 | ~1896 |
| Mary Hoover | Daughter | — | 5 | ~1935 |
| Steve Hoover | Head | — | 53 | ~1887 |
| Ida Hoover | Daughter | — | 1 | ~1939 |
| Herbert Hoover | Son | — | 11 | ~1929 |
| Robert Hoover | Son | — | 7 | ~1933 |
Census Appearances
1930
Henry, Iowa
Spouse, age 34
Henry, Iowa · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoover |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Henry-County, Iowa
Spouse, age 44
Henry-County, Iowa · implied b. ~1896 — 7 household members
| Surname | Hoover |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Tippecanoe |
| 1935 Residence (County) | Henry |
| Occupation | Housewife |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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.
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This person
Anchor record
Mary Hoover
Spouse · 1940 · age 44 · b. ~1896 · Iowa
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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 — Henry-County, Iowa
Open full size
1940 US Federal Census — Henry-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-01181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Woodrow Wheeler | 24 | Son | Laborer | Iowa |
| 2 | Dale Wheeler | 18 | Son | Laborer | Iowa |
| 3 | Steve Hoover | 53 | Head | Farmer | Iowa |
| 4 | Mary E. Hoover THIS PERSON | 44 | Wife | Housewife | Iowa |
| 5 | Herbert Hoover | 11 | Son | — | Iowa |
| 6 | Robert Hoover | 7 | Son | — | Iowa |
| 7 | Patrick Hoover | 6 | Son | — | Iowa |
| 8 | Mary Lou Hoover | 5 | Daughter | — | Iowa |
| 9 | Ida Mae Hoover | 1 | Daughter | — | Iowa |
| 10 | John Hoover | 39 | Head | Laborer | Iowa |
| 11 | Gertrude Hoover | 36 | Wife | — | Iowa |
| 12 | Henry Hoover | 7 | Son | — | Iowa |
| 13 | Kenneth Hoover | 5 | Son | — | Iowa |
| 14 | Mary Katherine Nelson | 13 | Niece | — | Iowa |
| 15 | Arthur B. Peterson | 36 | Head | Farmer | Iowa |
| 16 | Vera Peterson | 36 | Wife | — | Iowa |
| 17 | Duwayne Peterson | 10 | Son | — | Iowa |
| 18 | Allen Wright | 41 | Head | Farmer | Iowa |
| 19 | Marcia Wright | 26 | Wife | — | Iowa |
| 20 | Donald Wright | 2 | Son | — | Iowa |
| 21 | Schuyler Gibson | 30 | Head | Laborer | Iowa |
| 22 | Carolyn Gibson | 25 | Wife | — | Iowa |
| 23 | Franklin Gibson | 5 | Son | — | Iowa |
| 24 | Raymond Gibson | 3 | Son | — | Iowa |
| 25 | Clarence S. Peterson | 26 | Head | Farmer | Iowa |
| 26 | Alene Peterson | 27 | Wife | — | Iowa |
| 27 | Charlotte Peterson | 3 | Daughter | — | Iowa |
| 28 | Le Roy Peterson | 0 | Son | — | Iowa |
| 29 | Charles Clark | 39 | Head | Music Store | Iowa |
| 30 | Gladys Clark | 39 | Wife | Music Store | Iowa |
| 31 | John Archer | 70 | Head | Farmer | Iowa |
| 32 | Matilda Archer | 60 | Wife | — | Iowa |
| 33 | Dale Archer | 26 | Son | Laborer | Iowa |
| 34 | Irwin Jewel | 58 | Head | Farmer | Iowa |
| 35 | Betty Jewel | 14 | Daughter | — | Iowa |
| 36 | Myrtle Collins | 53 | Head | Farmer | Kansas |
| 37 | Frank Collins | 20 | Son | Laborer | Iowa |
| 38 | June Collins | 11 | Daughter | — | Iowa |
| 39 | Jack Collins | 9 | Son | — | Iowa |
| 40 | Mabel Collins | 35 | Daughter | School Teacher | Iowa |
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)