MH
Mary Hardin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Tennessee
Our Model Tree links this Mary Hardin across the 1930 and 1940 US Censuses in Lincoln-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Tennessee |
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Civil District 8 |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hardin | Daughter | — | 15 | ~1925 |
| Nannie Hardin | Spouse | — | 37 | ~1903 |
| Martha Hardin | Daughter | — | 15 | ~1925 |
| Mattie Hardin | Daughter | — | 12 | ~1928 |
| John Hardin | Son | — | 10 | ~1930 |
| Odd Hardin | Head | — | 40 | ~1900 |
| James Hardin | Son | — | 18 | ~1922 |
| Gladys Hardin | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Lincoln, Tennessee
Daughter, age 5
Lincoln, Tennessee · implied b. ~1925 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Lincoln-County, Tennessee
Daughter, age 15
Lincoln-County, Tennessee · implied b. ~1925 — 8 household members
| Surname | Hardin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lincoln |
| Highest Grade | No 7 |
| 1935 Residence | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hardin
Daughter · 1940 · age 15 · b. ~1925 · Tennessee
★ You are viewing this record
Sibling
Mattie Hardin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Hardin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hardin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hardin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Hardin
Sibling · 1940 · age 24
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 — Lincoln-County, Tennessee
Open full size
1940 US Federal Census — Lincoln-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03913-00363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey J Kent | 61 | Head | Farmer | Tennessee |
| 2 | Emma L Kent | 61 | Wife | — | Tennessee |
| 3 | Lundy Kent | 18 | Son | — | Tennessee |
| 4 | Samuel M Tanyord | 84 | Father-in-law | — | Tennessee |
| 5 | John A Williams | 18 | Lodger | Laborer | Tennessee |
| 6 | Paul Caughran | 35 | Head | Farmer | Tennessee |
| 7 | Willie D Caughran | 32 | Wife | — | Tennessee |
| 8 | James Homer Caughran | 6 | Son | — | Tennessee |
| 9 | Odd Hardin | 40 | Head | Farmer | Tennessee |
| 10 | Nannie E Hardin | 37 | Wife | — | Tennessee |
| 11 | Gladys B D Hardin | 24 | Daughter | Housework | Tennessee |
| 12 | James Robert Hardin | 18 | Son | — | Tennessee |
| 13 | Mary Hardin THIS PERSON | 15 | Daughter | — | Tennessee |
| 14 | Martha Hardin | 15 | Daughter | — | Tennessee |
| 15 | Mattie Virginia Hardin | 12 | Daughter | — | Tennessee |
| 16 | John B Hardin | 10 | Son | — | Tennessee |
| 17 | Collie Adams | 52 | Head | — | Tennessee |
| 18 | Janie Adams | 46 | Wife | — | Tennessee |
| 19 | Clifford Adams | 16 | Son | — | Tennessee |
| 20 | Mollie Adams | 11 | Daughter | — | Tennessee |
| 21 | Ruthie Adams | 8 | Daughter | — | Tennessee |
| 22 | Morton Adams | 7 | Son | — | Tennessee |
| 23 | Roy Swinford | 39 | Head | — | Tennessee |
| 24 | Lela Swinford | 32 | Wife | — | Tennessee |
| 25 | Kenneth Swinford | 11 | Son | — | Alabama |
| 26 | Don Swinford | 8 | Nephew | — | Alabama |
| 27 | Daniel Broadway | 46 | Head | — | Tennessee |
| 28 | Lill Broadway | 46 | Wife | — | Tennessee |
| 29 | Myra Broadway | 16 | Daughter | — | Tennessee |
| 30 | Ruth Broadway | 14 | Daughter | — | Tennessee |
| 31 | Nancy Broadway | 10 | Daughter | — | Tennessee |
| 32 | Joe Norman | 24 | Son-in-law | — | Tennessee |
| 33 | Clyde B Smith | 37 | Head | — | Tennessee |
| 34 | Bessie Smith | 25 | Wife | — | Tennessee |
| 35 | Bobby Smith | 7 | Son | — | Tennessee |
| 36 | Billy Smith | 2 | Son | — | Tennessee |
| 37 | Floyd Bedford | 42 | Head | — | Tennessee |
| 38 | Lillian H Bedford | 41 | Wife | — | Tennessee |
| 39 | Annie Ruth Bedford | 17 | Daughter | — | Tennessee |
| 40 | Mary Bedford | 14 | Daughter | — | Tennessee |
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)