MH
Mary Hayden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, Indiana
Our Model Tree links this Mary Hayden across the 1930 and 1940 US Censuses in Monroe-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Indiana |
| Surname | Hayden |
| Given Name | Mary N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bloomington |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Van Buren Township |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Robert Hayden | Head | — | 42 | ~1898 |
| Billie Hayden | Son | — | 6 | ~1934 |
| Mary Hayden | Spouse | — | 27 | ~1913 |
| Harold Hayden | Son | — | 1 | ~1939 |
| Johnie Hayden | Son | — | 9 | ~1931 |
| Raymond Hayden | Son | — | 18 | ~1922 |
| Malessa Hayden | Other | — | 69 | ~1871 |
| Mary Hayden | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Monroe, Indiana
Other, age 17
Monroe, Indiana · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | Mary M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 16 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Monroe-County, Indiana
Spouse, age 27
Monroe-County, Indiana · implied b. ~1913 — 8 household members
| Surname | Hayden |
| Given Name | Mary N. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bloomington |
| 1935 Residence (County) | Monroe |
| Industry | NP |
| Class of Worker | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Hayden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hayden
Spouse · 1940 · age 27 · b. ~1913 · Indiana
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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 — Monroe-County, Indiana
Open full size
1940 US Federal Census — Monroe-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01079-00998)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert C. Hayden | 42 | Head | Mechanic | Indiana |
| 2 | Mary N. Hayden THIS PERSON | 27 | Wife | — | Indiana |
| 3 | Raymond Hayden | 18 | Son | Mechanic | Indiana |
| 4 | Mary Hayden | 16 | Daughter | — | Indiana |
| 5 | Johnie Hayden | 9 | Son | — | Indiana |
| 6 | Billie Hayden | 6 | Son | — | Indiana |
| 7 | Harold D. Hayden | 1 | Son | — | Indiana |
| 8 | Malessa Hayden | 69 | Mother | — | Indiana |
| 9 | Morris R. Graves | 30 | Head | Clerk | Indiana |
| 10 | Martha L. Graves | 29 | Wife | — | Indiana |
| 11 | B. Richard Graves | 10 | Son | — | Indiana |
| 12 | Donald Lee Graves | 8 | Son | — | Indiana |
| 13 | Alice May Graves | 7 | Daughter | — | Indiana |
| 14 | Clarice F. Graves | 5 | Daughter | — | Indiana |
| 15 | Donovan Housel | 32 | Head | Truck Driver | Illinois |
| 16 | Rethalene Housel | 27 | Wife | — | Indiana |
| 17 | Donovan Housel | 5 | Son | — | Indiana |
| 18 | James B. Housel | 4 | Son | — | Indiana |
| 19 | John Auby | 42 | Head | Service Mang | Indiana |
| 20 | Opal Auby | 43 | Wife | — | Indiana |
| 21 | Robert Auby | 15 | Son | — | Indiana |
| 22 | James Auby | 9 | Son | — | Indiana |
| 23 | Joe Lucas | 20 | Son-in-law | Laborer | Indiana |
| 24 | Clara Mae Lucas | 17 | Daughter | — | Indiana |
| 25 | George W. Denny | 53 | Head | Farmer | Indiana |
| 26 | Carrie C. Denny | 50 | Wife | — | Indiana |
| 27 | Chas E. Denny | 26 | Son | Teacher | Indiana |
| 28 | Otis Weaver | 45 | Head | Farmer | Indiana |
| 29 | Eva Mae Weaver | 38 | Wife | — | Indiana |
| 30 | O. Allen Weaver | 16 | Son | — | Indiana |
| 31 | Virginia Weaver | 12 | Daughter | — | Indiana |
| 32 | Elizabeth Weaver | 11 | Daughter | — | Indiana |
| 33 | Nora E. Sparks | 74 | Mother-in-law | — | Indiana |
| 34 | Lawrence Brown | 28 | Head | Carver | Indiana |
| 35 | Emma Brown | 26 | Wife | — | Indiana |
| 36 | Kenneth Brown | 4 | Son | — | Indiana |
| 37 | Chas Brough | 54 | Head | Finishing | Indiana |
| 38 | Louie Brough | 48 | Wife | — | Indiana |
| 39 | Martha P. Brough | 17 | Daughter | — | Indiana |
| 40 | Carl Brough | 14 | Son | — | Indiana |
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)