JL
James Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hardin-County, Kentucky
Our Model Tree links this James Leonard across the 1930 and 1940 US Censuses in Hardin-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Kentucky |
| Surname | Leonard |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 6 |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Township / Ward | Mag Dist 6 |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Azileer Leonard | Daughter | — | 1 | ~1939 |
| Mildred Leonard | Daughter | — | 17 | ~1923 |
| Laverne Leonard | Daughter | — | 8 | ~1932 |
| Wesley Leonard | Head | — | 40 | ~1900 |
| Leman Leonard | Son | — | 3 | ~1937 |
| Bernard Leonard | Son | — | 13 | ~1927 |
| Charles Leonard | Son | — | 6 | ~1934 |
| James Leonard | Son | — | 15 | ~1925 |
| Gordon Leonard | Son | — | 18 | ~1922 |
| Bernice Leonard | Son | — | 10 | ~1930 |
| Golda Leonard | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Hardin, Kentucky
Son, age 5
Hardin, Kentucky · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hardin-County, Kentucky
Son, age 15
Hardin-County, Kentucky · implied b. ~1925 — 11 household members
| Surname | Leonard |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 6 |
| 1935 Residence (County) | Hardin |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 James Leonard across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Leonard
Son · 1940 · age 15 · b. ~1925 · Kentucky
★ You are viewing this record
Sibling
Charles Leonard
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Leonard
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Azileer Leonard
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Leonard
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Leonard
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laverne Leonard
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gordon Leonard
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leman Leonard
Sibling · 1940 · age 3
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 — Hardin-County, Kentucky
Open full size
1940 US Federal Census — Hardin-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01312-00779)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julius Bird | 63 | Head | Farmer | Kentucky |
| 2 | Julius V Bird | 23 | Son | Laborer | Kentucky |
| 3 | Josh Bird | 50 | Head | Farmer | Kentucky |
| 4 | Ella B Bird | 40 | Wife | — | N. Carolina |
| 5 | Mildred Bird | 12 | Daughter | — | Kentucky |
| 6 | Harlon Bird | 5 | Son | — | Kentucky |
| 7 | J. Alf. H. Webb | 69 | Head | Farmer | Kentucky |
| 8 | Will Trigg | 27 | Head | Farmer | Kentucky |
| 9 | Grace M Trigg | 23 | Wife | — | Kentucky |
| 10 | Donald Trigg | 5 | Son | — | Kentucky |
| 11 | Hal Payne | 43 | Head | Farmer | Kentucky |
| 12 | Edna Payne | 39 | Wife | — | Kentucky |
| 13 | Lemont Payne | 20 | Son | Laborer | Kentucky |
| 14 | Marion Payne | 18 | Daughter | — | Kentucky |
| 15 | James Payne | 15 | Son | — | Kentucky |
| 16 | Helen Payne | 13 | Daughter | — | Kentucky |
| 17 | Margurite Payne | 11 | Daughter | — | Kentucky |
| 18 | Alice Payne | 9 | Daughter | — | Kentucky |
| 19 | Rebecca Payne | 5 | Daughter | — | Kentucky |
| 20 | Harold Payne | 1 | Son | — | Kentucky |
| 21 | Ben Gray | 63 | Head | Farmer | Kentucky |
| 22 | Lida Gray | 58 | Wife | — | Kentucky |
| 23 | Ollie French | 57 | Head | Farmer | Kentucky |
| 24 | Lizzie French | 57 | Wife | — | Kentucky |
| 25 | Elmer Sherrard | 53 | Lodger | Laborer | Kentucky |
| 26 | Edna Sherrard | 18 | Lodger | — | Kentucky |
| 27 | Wesley Leonard | 40 | Head | Farmer | Kentucky |
| 28 | Golda Leonard | 37 | Wife | — | Kentucky |
| 29 | Gordon C Leonard | 18 | Son | Laborer | Kentucky |
| 30 | Mildred Leonard | 17 | Daughter | — | Kentucky |
| 31 | James H Leonard THIS PERSON | 15 | Son | Laborer | Kentucky |
| 32 | Bernard Leonard | 13 | Son | — | Kentucky |
| 33 | Bernice Leonard | 10 | Son | — | Kentucky |
| 34 | Laverne Leonard | 8 | Daughter | — | Kentucky |
| 35 | Charles A Leonard | 6 | Son | — | Kentucky |
| 36 | Leman Leonard | 3 | Son | — | Kentucky |
| 37 | Azileer Leonard | 1 | Daughter | — | Kentucky |
| 38 | Frank Viers | 52 | Head | Farmer | Kentucky |
| 39 | Lula Viers | 50 | Wife | — | Kentucky |
| 40 | Stella Cook | 25 | Daughter | — | Kentucky |
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)