MH
Mary Hardin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Owen-County, Indiana
Our Model Tree links this Mary Hardin across the 1920, 1930 and 1940 US Censuses in Owen-County, Indiana (XGBoost, ~Confirmed), with identified parents Elmer & Elmer — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Owen-County, Indiana |
| Surname | Hardin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Spencer Town |
| 1935 Residence (County) | Owen |
| Additional Details | |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Operator |
| Township / Ward | Spencer Town |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elmer Hardin | Head | — | 27 | ~1913 |
| Mary Hardin | Daughter | — | 30 | ~1910 |
| Maggie Hardin | Daughter | — | 40 | ~1900 |
Census Appearances
1920
Owen, Indiana
Daughter, age 12
Owen, Indiana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Owen, Indiana
Daughter, age 22
Owen, Indiana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Owen-County, Indiana
Daughter, age 30
Owen-County, Indiana · implied b. ~1910 — 3 household members
| Surname | Hardin |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Spencer Town |
| 1935 Residence (County) | Owen |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Hardin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Hardin (~0.50 confidence) and father Elmer Harden (~0.92 confidence) and mother Lida Harden (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.78
Father
Elmer Hardin
b. ~1913
Source father
● Household
· direct · ~0.5
Father
Elmer Harden
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Lida Harden
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hardin
Daughter · 1940 · age 30 · b. ~1910 · Indiana
★ You are viewing this record
Sibling
Maggie Hardin
Sibling · 1940 · age 40
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 — Owen-County, Indiana
Open full size
1940 US Federal Census — Owen-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01083-00731)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stella Stella | 48 | Wife | — | Indiana |
| 42 | Dorothy Hines | 26 | Daughter | — | Indiana |
| 43 | Myra K Hines | 7 | Granddaughter | — | Indiana |
| 44 | Paula S Hines | 5 | Granddaughter | — | Indiana |
| 45 | Loretta R Hines | 3 | Granddaughter | — | Indiana |
| 46 | William H Mayfield | 75 | Head | — | Indiana |
| 47 | Mary O Mayfield | 74 | Wife | — | Illinois |
| 48 | Ellen Berry | 16 | Lodger | Binder | Indiana |
| 49 | Elmer D Hardin | 27 | Head | — | Indiana |
| 50 | Maggie Hardin | 40 | Daughter | Clerk | Indiana |
| 51 | Mary E Hardin THIS PERSON | 30 | Daughter | Operator | Indiana |
| 52 | Leason D Taylor | 60 | Head | — | Indiana |
| 53 | Essie Taylor | 57 | Wife | — | Indiana |
| 54 | Robert W Ellis | 34 | Head | Agent | Indiana |
| 55 | Pauline Ellis | 34 | Wife | — | Indiana |
| 56 | Don Ellis | 11 | Son | — | Indiana |
| 57 | Stanley Ellis | 7 | Son | — | Indiana |
| 58 | Josie Hail | 84 | Head | — | Indiana |
| 59 | Louis Overbeck | 45 | Head | Truck Driver | Missouri |
| 60 | Belle Overbeck | 40 | Wife | — | Indiana |
| 61 | Louise Overbeck | 14 | Daughter | — | Indiana |
| 62 | Wanda M Overbeck | 12 | Daughter | — | Indiana |
| 63 | Bessie Hagood | 69 | Mother | — | Indiana |
| 64 | Earl Megenhardt | 40 | Head | Proprietor | Indiana |
| 65 | Vesta Megenhardt | 36 | Wife | — | Indiana |
| 66 | Lynetta Megenhardt | 15 | Daughter | Clerk | Indiana |
| 67 | Donald Megenhardt | 12 | Son | — | Indiana |
| 68 | Dolly Megenhardt | 6 | Daughter | — | Indiana |
| 69 | Orrie B Dean | 39 | Head | Proprietor | Indiana |
| 70 | Pansy Dean | 33 | Wife | — | Indiana |
| 71 | Robert Khatter | 13 | Son | — | Indiana |
| 72 | George E Dean | 78 | Head | — | Indiana |
| 73 | Mary E Kephart | 74 | Head | — | Ohio |
| 74 | Clovis K Sentry | 23 | Head | Laborer | Indiana |
| 75 | Opal M Sentry | 18 | Wife | — | Illinois |
| 76 | Beatrice M Sentry | 3 | Daughter | — | Indiana |
| 77 | Edward Dean | 41 | Head | Mechanic | Indiana |
| 78 | Frances Dean | 20 | Wife | — | Indiana |
| 79 | Edward Jr Dean | 1 | Son | — | Indiana |
| 80 | Charles H Burks | 54 | Head | Foreman | Indiana |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.78
Max depth 4 (1900–1950 window)
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)