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John Mcelroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adair-County, Kentucky
Our Model Tree links this John Mcelroy across the 1930 and 1940 US Censuses in Adair-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Kentucky |
| Surname | McElroy |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Adair |
| Additional Details | |
| Occupation | Merchant |
| Industry | Grocery Store |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Merchant |
| Township / Ward | District 2 White Oak |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Mcelroy | Head | — | 24 | ~1916 |
| Barbara Mcelroy | Daughter | — | 2 | ~1938 |
| Lettie Mcelroy | Spouse | — | 24 | ~1916 |
| Jovadine Mcelroy | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Adair, Kentucky
Other, age 13
Adair, Kentucky · implied b. ~1917 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | John S. |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Adair-County, Kentucky
Head, age 24
Adair-County, Kentucky · implied b. ~1916 — 4 household members
| Surname | McElroy |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Adair |
| Occupation | Merchant |
| Industry | Grocery Store |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Kentucky |
| 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 Mcelroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcelroy
Head · 1940 · age 24 · b. ~1916 · 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 — Adair-County, Kentucky
Open full size
1940 US Federal Census — Adair-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01276-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bessie Mary | 11 | nurse | — | Kentucky |
| 42 | Joseph A Powell | 58 | Head | Store Keeper | Kentucky |
| 43 | Lela Powell | 49 | Wife | — | Kentucky |
| 44 | Dennis Powell | 20 | Son | Farm Laborer | Kentucky |
| 45 | Elzia Powell | 17 | Son | Farm Laborer | Kentucky |
| 46 | Russell Powell | 14 | Son | Farm Laborer | Kentucky |
| 47 | Sarah H Powell | 11 | Daughter | — | Kentucky |
| 48 | Josephine Powell | 7 | Daughter | — | Kentucky |
| 49 | Ida Lombardi | 61 | Head | Farmer | Kentucky |
| 50 | Alice Lombardi | 43 | Sister | Farmer | Kentucky |
| 51 | William Richards | 55 | Head | Farmer | Kentucky |
| 52 | Elizabeth Richards | 50 | Wife | — | Kentucky |
| 53 | Raymond Richards | 27 | Son | Farmer | Kentucky |
| 54 | Otis Richards | 21 | Son | Farmer | Kentucky |
| 55 | Marjorie Richards | 17 | Daughter | — | Kentucky |
| 56 | Joseph Richards | 84 | Father | — | Kentucky |
| 57 | James Bailey | 65 | Head | Farmer | Kentucky |
| 58 | Elnora Bailey | 61 | Wife | — | Kentucky |
| 59 | Hollis Huff | 42 | Son-in-law | Farmer | Kentucky |
| 60 | Callie Huff | 25 | Daughter | — | Kentucky |
| 61 | Tacona Huff | 6 | Granddaughter | — | Kentucky |
| 62 | Leon Huff | 5 | Grandson | — | Kentucky |
| 63 | Leona Huff | 3 | Granddaughter | — | Kentucky |
| 64 | Lometa Huff | 1 | Granddaughter | — | Kentucky |
| 65 | John A Mcelroy THIS PERSON | 24 | Head | Merchant | Kentucky |
| 66 | Lettie Mcelroy | 24 | Wife | — | Kentucky |
| 67 | Barbara J Mcelroy | 2 | Daughter | — | Kentucky |
| 68 | Jovadine Mcelroy | 1 | Daughter | — | Kentucky |
| 69 | Charlie Rutledge | 44 | Head | Farmer | Tennessee |
| 70 | Maggie Rutledge | 46 | Wife | — | Kentucky |
| 71 | May Rutledge | 21 | Daughter | — | Kentucky |
| 72 | Neira Rutledge | 19 | Daughter | — | Kentucky |
| 73 | Robert Rutledge | 16 | Son | Farmer | Kentucky |
| 74 | Edward Rutledge | 10 | Son | — | Kentucky |
| 75 | Ben Bonn | 55 | Head | Laborer | Kentucky |
| 76 | Vera Bonn | 45 | Wife | — | Kentucky |
| 77 | Fredrick Grider | 39 | Head | — | Kentucky |
| 78 | Ellen Grider | 69 | Wife | — | Kentucky |
| 79 | Marvin Grider | 32 | Son | Farmer | Kentucky |
| 80 | Eugene Grider | 15 | Son | — | 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)