RH
Robert Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ballard-County, Kentucky
Our Model Tree links this Robert Hart across the 1920, 1930 and 1940 US Censuses in Ballard-County, Kentucky (XGBoost, ~Confirmed), with identified parents Lonnie & Kathleen — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ballard-County, Kentucky |
| Surname | Hart |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | LaCenter Town |
| 1935 Residence (County) | Ballard |
| Additional Details | |
| Occupation | Book-keeper |
| Industry | Petroleum Distrib. Agency |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 521 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Book-Keeper |
| Township / Ward | Lacenter Town |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Lonnie Hart | Head | — | 48 | ~1892 |
| Robert Hart | Son | — | 22 | ~1918 |
| Kathleen Hart | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Ballard, Kentucky
Son, age 2
Ballard, Kentucky · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Ballard, Kentucky
Son, age 12
Ballard, Kentucky · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Ballard-County, Kentucky
Son, age 22
Ballard-County, Kentucky · implied b. ~1918 — 3 household members
| Surname | Hart |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | LaCenter Town |
| 1935 Residence (County) | Ballard |
| Occupation | Book-keeper |
| Industry | Petroleum Distrib. Agency |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 521 |
| Highest Grade | Hs 4 |
| 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 Robert Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lonnie Hart (~0.92 confidence) and mother Kathleen Hart (~0.92 confidence) and father Lonnie Hart (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lonnie Hart
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Kathleen Hart
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
Lonnie Hart
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Hart
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ballard-County, Kentucky
Open full size
1940 US Federal Census — Ballard-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01277-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lela Brack | 68 | Head | — | Kentucky |
| 42 | Lee Brack | 47 | Son | Farmer | Kentucky |
| 43 | Fred Brack | 25 | Grand-son | Laborer | Kentucky |
| 44 | Viola Brack | 24 | Grand-daughter | — | Kentucky |
| 45 | Lula Nance | 50 | Head | — | Kentucky |
| 46 | James Nance | 17 | Son | Laborer | Kentucky |
| 47 | Christine Nance | 14 | Daughter | — | Kentucky |
| 48 | Marjorie Nance | 10 | Daughter | — | Kentucky |
| 49 | Hatred G. Nance | 7 | Son | — | Kentucky |
| 50 | Emma Hampton | 66 | Head | — | Kentucky |
| 51 | Will Campbell | 78 | Lodger | — | Kentucky |
| 52 | Claud R. Rollings | 67 | Head | — | Kentucky |
| 53 | Annie M. Rollings | 63 | Wife | — | Kentucky |
| 54 | Maria Merinether | 49 | Head | — | Indiana |
| 55 | Hobart Merinether | 23 | Son | Automobile Mechanic | Kentucky |
| 56 | John Jr. Merinether | 15 | Son | — | Kentucky |
| 57 | M. Van Burnett | 32 | Head | Deck-Hand | Kentucky |
| 58 | Eva Burnett | 31 | Wife | — | Kentucky |
| 59 | Patricia L. Burnett | 11 | Daughter | — | Missouri |
| 60 | Thomas B. Burnett | 7 | Son | — | Kentucky |
| 61 | Bobbie A. Burnett | 4 | Son | — | Kentucky |
| 62 | Jane Earl Burnett | 2 | Daughter | — | Kentucky |
| 63 | A. Hilson Peal | 28 | Head | Rural Mail Carrier | Kentucky |
| 64 | Loretta Peal | 24 | Wife | — | Kentucky |
| 65 | Chas Willie Peal | 2 | Son | — | Kentucky |
| 66 | Mollie Peal | 70 | Mother | — | Kentucky |
| 67 | Louise P. Dodson | 33 | Sister | Teacher | Kentucky |
| 68 | John R. Miller | 51 | Head | Asst Cook | Kentucky |
| 69 | Grace Miller | 44 | Wife | Cook | Kentucky |
| 70 | Mildred Deweese | 25 | Daughter | Librarian | Kentucky |
| 71 | Bobbie M. Deweese | 5 | Grand-son | — | Kentucky |
| 72 | George Yancy | 23 | Head | Laborer | Kentucky |
| 73 | Dorothy Yancy | 22 | Wife | — | Kentucky |
| 74 | Thos R. Graham | 65 | Head | Field Worker | Kentucky |
| 75 | Carrie N. Graham | 61 | Wife | — | Kentucky |
| 76 | Robt D. Merinether | 28 | Head | Teacher | Kentucky |
| 77 | Pauline Merinether | 22 | Wife | — | Kentucky |
| 78 | Lonnie C. Hart | 48 | Head | Proprietor | Kentucky |
| 79 | Kathleen Hart | 45 | Wife | — | Kentucky |
| 80 | Robert W. Hart THIS PERSON | 22 | Son | Book-Keeper | Kentucky |
Pedigree Summary
Robert
Gen 1 · 3 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)