MH
Mary Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hart-County, Kentucky
Our Model Tree links this Mary Harper across the 1920, 1930 and 1940 US Censuses in Hart-County, Kentucky (XGBoost, ~Confirmed), with identified parents Harper & Millard — first a daughter (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hart-County, Kentucky |
| Surname | Harper |
| Given Name | Mary Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist No 3 Horse Cave |
| 1935 Residence (County) | Hart |
| Additional Details | |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist No 3 Horse Cave |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Harper | Daughter | — | 28 | ~1912 |
| Millard Harper | Head | — | 66 | ~1874 |
| John Harper | Son | — | 32 | ~1908 |
| Clara Harper | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Hart, Kentucky
Daughter, age 8
Hart, Kentucky · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Hart, Kentucky
Daughter, age 18
Hart, Kentucky · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hart-County, Kentucky
Daughter, age 28
Hart-County, Kentucky · implied b. ~1912 — 4 household members
| Surname | Harper |
| Given Name | Mary Agnes |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist No 3 Horse Cave |
| 1935 Residence (County) | Hart |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harper 199 201 (~0.92 confidence) and father Millard Harper (~0.92 confidence) and father Millard Harper (~0.92 confidence) and mother Clara Harper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harper 199 201
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Millard Harper
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Millard Harper
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Clara Harper
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Harper
Daughter · 1940 · age 28 · b. ~1912 · Kentucky
★ You are viewing this record
Sibling
John Harper
Sibling · 1940 · age 32
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 — Hart-County, Kentucky
Open full size
1940 US Federal Census — Hart-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01315-00694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kais Hais | 19 | Wife | — | Kentucky |
| 2 | Wash Mansfield | 52 | Head | Farmer | Kentucky |
| 3 | Verna Mansfield | 41 | Wife | — | Kentucky |
| 4 | Christine Mansfield | 16 | Daughter | — | Kentucky |
| 5 | Virgina Mansfield | 16 | Daughter | — | Kentucky |
| 6 | Allen Mansfield | 14 | Son | — | Kentucky |
| 7 | George Mansfield | 8 | Son | — | Kentucky |
| 8 | Rocco Uzupha | 15 | Son | Farmer | Kentucky |
| 9 | L. D. Ford | 46 | Head | Laborer | Kentucky |
| 10 | Sadie Ford | 50 | Wife | — | Kentucky |
| 11 | Fannie Ford | 16 | Daughter | — | Kentucky |
| 12 | Maggie Ford | 14 | Daughter | — | Kentucky |
| 13 | Gertrude Ford | 11 | Daughter | — | Kentucky |
| 14 | Leddee Mansfield | 66 | Sister | — | Kentucky |
| 15 | Walter Melton | 30 | Head | Farmer | Kentucky |
| 16 | Anna B. Melton | 25 | Wife | — | Kentucky |
| 17 | Claudine Melton | 8 | Daughter | — | Kentucky |
| 18 | James W. Simpson | 47 | Head | Farmer | Kentucky |
| 19 | Hettie Simpson | 48 | Wife | — | Kentucky |
| 20 | Bud Maxey | 70 | Head | Farmer | Kentucky |
| 21 | Mollie Maxey | 62 | Wife | — | Kentucky |
| 22 | Preston W. Dewese | 64 | Head | Farmer | Kentucky |
| 23 | Ruth Dewese | 60 | Wife | — | Kentucky |
| 24 | Charles L. Dewese | 23 | Son | Laborer | Kentucky |
| 25 | Jessie O. Dewese | 17 | Son | Laborer | Kentucky |
| 26 | Roy A. Dewese | 13 | Son | — | Kentucky |
| 27 | Willie C. Dewese | 25 | Son | Laborer | Kentucky |
| 28 | Allen G. Mansfield | 54 | Head | Farmer | Kentucky |
| 29 | Nellie Mansfield | 53 | Wife | — | Kentucky |
| 30 | Irene Mansfield | 20 | Daughter | — | Kentucky |
| 31 | Oscar Logsdon | 25 | Head | Farmer | Kentucky |
| 32 | Margurite Logsdon | 18 | Wife | — | Kentucky |
| 33 | Byard Logsdon | 3 | Son | — | Kentucky |
| 34 | Margie Logsdon | 1 | Daughter | — | Kentucky |
| 35 | Alvis G. Sidebottoms | 26 | Head | Farmer | Kentucky |
| 36 | Hazel Sidebottoms | 22 | Wife | — | Kentucky |
| 37 | Millard Harper | 66 | Head | Farmer | Kentucky |
| 38 | Clara Harper | 60 | Wife | — | Kentucky |
| 39 | John Harper | 32 | Son | Laborer | Kentucky |
| 40 | Mary Agnes Harper THIS PERSON | 28 | Daughter | — | Kentucky |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
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)