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John Leach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Whitley-County, Kentucky
Our Model Tree links this John Leach across the 1930 and 1940 US Censuses in Whitley-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 9-person household.
Age 55
b. ~1885
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Whitley-County, Kentucky |
| Surname | Leach |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Pleasantview |
| 1935 Residence (County) | Whitley |
| Additional Details | |
| Occupation | W.P.A. |
| Industry | Rock Crusher |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 216 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | W.P.A. |
| Township / Ward | Pleasantview |
| Est. Birth Year | ~1885 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Billy Leach | Son | — | 13 | ~1927 |
| Etta Leach | Daughter | — | 7 | ~1933 |
| Hazel Leach | Son | — | 15 | ~1925 |
| Jamie Leach | Daughter | — | 11 | ~1929 |
| Liney Leach | Spouse | — | 47 | ~1893 |
| Opal Leach | Daughter | — | 23 | ~1917 |
| Marjorie Leach | Daughter | — | 2 | ~1938 |
| John Leach | Head | — | 55 | ~1885 |
| Hazel Leach | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Whitley, Kentucky
Head, age 44
Whitley, Kentucky · implied b. ~1886 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leach |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 23 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 600 |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Whitley-County, Kentucky
Head, age 55
Whitley-County, Kentucky · implied b. ~1885 — 9 household members
| Surname | Leach |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Pleasantview |
| 1935 Residence (County) | Whitley |
| Occupation | W.P.A. |
| Industry | Rock Crusher |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 216 |
| Highest Grade | No 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 John Leach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leach
Head · 1940 · age 55 · b. ~1885 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Whitley-County, Kentucky
Open full size
1940 US Federal Census — Whitley-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01363-00667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James O Logsdon | 56 | Head | Railroad | Kentucky |
| 2 | Mary Logsdon | 51 | Wife | — | Tennessee |
| 3 | Ledaytte C Lay | 44 | Head | Postmaster | Kentucky |
| 4 | Etta M Lay | 36 | Wife | — | Kentucky |
| 5 | Ethel L Lay | 17 | Daughter | — | Kentucky |
| 6 | Emily Lay | 13 | Daughter | — | Tennessee |
| 7 | Henry C Ester | 66 | Head | Merchant | Kentucky |
| 8 | Amda Ester | 65 | Wife | — | Kentucky |
| 9 | Kate Ester | 41 | Daughter | — | Kentucky |
| 10 | Robert Ester | 37 | Son | Truck Driver | Kentucky |
| 11 | Bettie Ester | 14 | Granddaughter | — | Kentucky |
| 12 | Claude Smith | 27 | Head | W.P.A. | Tennessee |
| 13 | Irene Smith | 22 | Wife | — | Kentucky |
| 14 | Clara B Smith | 6 | Daughter | — | Kentucky |
| 15 | Billy R Smith | 4 | Son | — | Kentucky |
| 16 | Lloyd Smith | 1 | Son | — | Kentucky |
| 17 | Hubby H Haynes | 54 | Head | Miner | Kentucky |
| 18 | Callie Haynes | 55 | Wife | — | Kentucky |
| 19 | George H Q Mallo | 25 | Head | Miner | Kentucky |
| 20 | Ora Mallo | 26 | Wife | — | Kentucky |
| 21 | Alberta Mallo | 6 | Daughter | — | Kentucky |
| 22 | Elsa M Mallo | 4 | Daughter | — | Kentucky |
| 23 | Viola Mallo | 2 | Daughter | — | Kentucky |
| 24 | John H Leach THIS PERSON | 55 | Head | W.P.A. | Kentucky |
| 25 | Liney Leach | 47 | Wife | — | Kentucky |
| 26 | Opal Leach | 23 | Daughter | — | Kentucky |
| 27 | Hazel Leach | 15 | Son | — | Kentucky |
| 28 | Hazel Leach | 16 | Daughter | — | Kentucky |
| 29 | Billy Leach | 13 | Son | — | Kentucky |
| 30 | Jamie Leach | 11 | Daughter | — | Kentucky |
| 31 | Etta J Leach | 7 | Daughter | — | Kentucky |
| 32 | Marjorie Leach | 2 | Daughter | — | Kentucky |
| 33 | Jordan Gibson | 52 | Head | W.P.A. | Kentucky |
| 34 | Julia Gibson | 43 | Wife | — | Kentucky |
| 35 | Alma Gibson | 27 | Daughter | — | Kentucky |
| 36 | Alonzo Gibson | 25 | Son | — | Kentucky |
| 37 | Irene Gibson | 23 | Daughter | — | Kentucky |
| 38 | Bessie Gibson | 20 | Daughter | — | Kentucky |
| 39 | Junior Gibson | 18 | Son | — | Kentucky |
| 40 | Thelma Gibson | 14 | 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)