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Mary Hess — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Hess across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1876), then head of a 5-person household.
Age 64
b. ~1876
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1876 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Hess | Daughter | — | 9 | ~1931 |
| Christian Hess | Head | — | 72 | ~1868 |
| Mary Frey | Other | — | 59 | ~1881 |
| Carl Hess | Son | — | 24 | ~1916 |
| Mary Hess | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Marion, Indiana
Spouse, age 44
Marion, Indiana · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1880 |
| Naturalization Status | Alien |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Marion, Indiana
Spouse, age 54
Marion, Indiana · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Marion-County, Indiana
Spouse, age 64
Marion-County, Indiana · implied b. ~1876 — 5 household members
| Surname | Hess |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Hess across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hess
Spouse · 1940 · age 64 · b. ~1876 · 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01127-00782)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marie Blaugh | 57 | Wife | — | Indiana |
| 42 | Mary Blaugh | 66 | Sister | Inspectress | Indiana |
| 43 | Henry Meyers | 51 | Head | Plumber | Illinois |
| 44 | Alma O. Meyers | 45 | Wife | — | Kentucky |
| 45 | Evelyn Meyers | 19 | Daughter | — | Indiana |
| 46 | Alma R. Meyers | 16 | Daughter | — | Indiana |
| 47 | Dorothy Meyers | 14 | Daughter | — | Indiana |
| 48 | Minna Zimmermann | 69 | Head | — | Indiana |
| 49 | Dorothy Zimmermann | 38 | Daughter | Saleser | Indiana |
| 50 | Fred Wetzel | 66 | Head | — | Germany |
| 51 | Minnie Wetzel | 71 | Wife | — | Germany |
| 52 | Sophie Heede | 64 | Head | — | Indiana |
| 53 | Lawrence Flooner | 30 | Son-in-law | Foreman | Indiana |
| 54 | Gertrude Flooner | 30 | Daughter | — | Indiana |
| 55 | Carroll A. Flooner | 5 | Daughter | — | Indiana |
| 56 | Fredie Volpp | 40 | Head | Spinner | Indiana |
| 57 | Lilly Volpp | 69 | Mother | — | Indiana |
| 58 | Mary Volpp | 37 | Sister | — | Indiana |
| 59 | Louis Groh | 44 | Head | Mechanic | Kentucky |
| 60 | Helen Groh | 37 | Wife | — | Indiana |
| 61 | Omar Jones | 29 | Head | Official | Indiana |
| 62 | Marybelle Jones | 24 | Wife | Saleser | Kentucky |
| 63 | Betty A. Jones | 5 | Daughter | — | Indiana |
| 64 | Jane Isbell | 14 | Sister-in-law | — | Kentucky |
| 65 | Katherine Raney | 63 | Head | — | Indiana |
| 66 | Clifford Raney | 34 | Son | Salesman | Indiana |
| 67 | Virgil Raney | 31 | Son | Welder | Indiana |
| 68 | Nolan Raney | 23 | Son | Machinist | Indiana |
| 69 | Hollie Raney | 20 | Son | Laborer | Indiana |
| 70 | Carl Bartels | 25 | Head | Salesman | Indiana |
| 71 | Mary Bartels | 24 | Wife | — | Indiana |
| 72 | Sandra Bartels | 3 | Daughter | — | Indiana |
| 73 | Christia Bray | 48 | Sister-in-law | Lester | Indiana |
| 74 | Charles Platt | 59 | Head | Traffic Man | Indiana |
| 75 | Neva Platt | 49 | Wife | — | Indiana |
| 76 | Christian Hess | 72 | Head | Laborer | Germany |
| 77 | Mary Hess THIS PERSON | 64 | Wife | — | Germany |
| 78 | Carl Hess | 24 | Son | Laborer | Indiana |
| 79 | Betty J. Hess | 9 | Daughter | — | Illinois |
| 80 | Mary Frey | 59 | Aunt | — | Germany |
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)