LJ
Leonard Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Leonard Jones across the 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 4 |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 4 |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Edna Jones | Daughter | — | 9 | ~1931 |
| Jasper Jones | Son | — | 8 | ~1932 |
| Raymond Jones | Son | — | 5 | ~1935 |
| Leonard Jones | Son | — | 11 | ~1929 |
| Silas Jones | Head | — | 37 | ~1903 |
| Linda Jones | Daughter | — | 1 | ~1939 |
| Arlie Baker | Other | — | 27 | ~1913 |
| Elsie Jones | Spouse | — | 30 | ~1910 |
| Harley Bingham | Other | — | 5 | ~1935 |
Census Appearances
1930
Knox, Kentucky
Son, age 2
Knox, Kentucky · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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
Knox-County, Kentucky
Son, age 11
Knox-County, Kentucky · implied b. ~1929 — 9 household members
| Surname | Jones |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 4 |
| 1935 Residence (County) | Knox |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Leonard Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Jones
Son · 1940 · age 11 · b. ~1929 · Kentucky
★ You are viewing this record
Sibling
Raymond Jones
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jasper Jones
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linda Jones
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Jones
Sibling · 1940 · age 9
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 — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00948)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlie Saylor | 29 | Head | Miner | Kentucky |
| 42 | Linda Saylor | 29 | Wife | — | Kentucky |
| 43 | Cecil Brown | 13 | Stepson | — | Kentucky |
| 44 | Silas Jones | 37 | Head | Miner | Kentucky |
| 45 | Elsie Jones | 30 | Wife | — | Kentucky |
| 46 | Leonard Jones THIS PERSON | 11 | Son | — | Kentucky |
| 47 | Edna Jones | 9 | Daughter | — | Kentucky |
| 48 | Jasper Jones | 8 | Son | — | Kentucky |
| 49 | Raymond Jones | 5 | Son | — | Kentucky |
| 50 | Linda Jones | 1 | Daughter | — | Kentucky |
| 51 | Arlie Baker | 27 | Lodger | Housework | Kentucky |
| 52 | Harley Bingham | 5 | Lodger | — | Kentucky |
| 53 | Jas Warren | 53 | Head | Miner | Kentucky |
| 54 | Catherine Warren | 32 | Wife | — | Kentucky |
| 55 | Gladys Warren | 14 | Daughter | — | Kentucky |
| 56 | Verbil Lane | 13 | Stepson | — | Kentucky |
| 57 | Ruby Middleton | 10 | Daughter | — | Kentucky |
| 58 | Eugene Warren | 10 | Son | — | Kentucky |
| 59 | D. Warren | 5 | Son | — | Kentucky |
| 60 | Callie Lee Warren | 1 | Son | — | Kentucky |
| 61 | Elbert Smith | 35 | Head | Miner | Kentucky |
| 62 | Viola Smith | 26 | Wife | — | Kentucky |
| 63 | Lillie B. Smith | 10 | Daughter | — | Kentucky |
| 64 | Birchel Smith | 7 | Son | — | Kentucky |
| 65 | Frank Smith | 5 | Son | — | Kentucky |
| 66 | Eveline Smith | 4 | Daughter | — | Kentucky |
| 67 | Genevia Smith | 2 | Daughter | — | Kentucky |
| 68 | Noah Hubbard | 57 | Head | Farmer | Kentucky |
| 69 | Lizzie Hubbard | 53 | Wife | — | Kentucky |
| 70 | Lee Hopkins | 37 | Head | Machinist | Kentucky |
| 71 | Nell Hopkins | 35 | Wife | — | Kentucky |
| 72 | Imogene Hopkins | 16 | Daughter | — | Kentucky |
| 73 | Edith Hopkins | 13 | Daughter | — | Kentucky |
| 74 | Johnie Franklin Hopkins | 11 | Son | — | Kentucky |
| 75 | Fern Hopkins | 9 | Daughter | — | Kentucky |
| 76 | Agnes Hopkins | 7 | Daughter | — | Kentucky |
| 77 | Gladys Hopkins | 5 | Daughter | — | Kentucky |
| 78 | Ruby Mae Hopkins | 1 | Daughter | — | Kentucky |
| 79 | Martha J. Hopkins | 66 | Head | Manager | Kentucky |
| 80 | Delbert Hopkins | 27 | Son | Car Trimmer | 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)