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John Case — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carter-County, Kentucky
Our Model Tree links this John Case across the 1930 and 1940 US Censuses in Carter-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carter-County, Kentucky |
| Surname | Case |
| Given Name | John |
| 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) | Carter |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Same place |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Wanda Case | Daughter | — | 7 | ~1933 |
| John Case | Son | — | 11 | ~1929 |
| Ethel Case | Daughter | — | 6 | ~1934 |
| William Jackson | Other | — | 39 | ~1901 |
| Burley Case | Head | — | 40 | ~1900 |
| Lucille Case | Spouse | — | 31 | ~1909 |
| Eileen Case | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Carter, Kentucky
Son, age
Carter, Kentucky · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Case |
| Given Name | Jean |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Carter-County, Kentucky
Son, age 11
Carter-County, Kentucky · implied b. ~1929 — 7 household members
| Surname | Case |
| Given Name | John |
| 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) | Carter |
| Highest Grade | G 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 Case across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Case
Son · 1940 · age 11 · b. ~1929 · Kentucky
★ You are viewing this record
Sibling
Eileen Case
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Case
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Case
Sibling · 1940 · age 6
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 — Carter-County, Kentucky
Open full size
1940 US Federal Census — Carter-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01292-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Jas Boyd | 62 | Head | Farmer | Kentucky |
| 42 | Jessie Boyd | 57 | Wife | — | Kentucky |
| 43 | Ralph J Boyd | 23 | Son | Molds Blocker | Kentucky |
| 44 | Reece Mabry | 36 | Head | Farmer | Kentucky |
| 45 | Nola Mabry | 31 | Wife | — | Kentucky |
| 46 | Olive Mabry | 13 | Daughter | — | Kentucky |
| 47 | Ray Mabry | 11 | Son | — | Kentucky |
| 48 | William F Canafax | 74 | Head | Clerk | Kentucky |
| 49 | Maggie Canafax | 64 | Wife | — | Kentucky |
| 50 | Evert F Perry | 63 | Head | — | Kentucky |
| 51 | Omer Perry | 21 | Son | Mechanic | Kentucky |
| 52 | Theodore J Perry | 18 | Son | New Worker | Kentucky |
| 53 | William Warren Perry | 16 | Son | New Worker | Kentucky |
| 54 | Wendell G Perry | 13 | Son | — | Kentucky |
| 55 | Horace G Tackett | 61 | Head | Laborer | Kentucky |
| 56 | Hattie B Tackett | 60 | Wife | — | Kentucky |
| 57 | Burley Case | 40 | Head | Brick Mason | Kentucky |
| 58 | Lucille Case | 31 | Wife | — | Kentucky |
| 59 | Wanda Case | 7 | Daughter | — | Kentucky |
| 60 | Eileen Case | 5 | Daughter | — | Kentucky |
| 61 | John Case THIS PERSON | 11 | Son | — | Kentucky |
| 62 | Ethel Case | 6 | Daughter | — | Kentucky |
| 63 | William Jackson | 39 | Brother in law | Laborer | Kentucky |
| 64 | Cecil G Canafax | 36 | Head | Farmer | Kentucky |
| 65 | Blanche Canafax | 42 | Wife | — | Kentucky |
| 66 | Doris Canafax | 13 | Daughter | — | Kentucky |
| 67 | Barbara Canafax | 8 | Daughter | — | Kentucky |
| 68 | Wayne Canafax | 5 | Son | — | Kentucky |
| 69 | Thomas E Smith | 67 | Head | Farmer | Kentucky |
| 70 | Agnes Smith | 53 | Wife | — | Kentucky |
| 71 | Frankie Smith | 19 | Son | Farmer | Kentucky |
| 72 | Robert Smith | 12 | Son | Farmer | Kentucky |
| 73 | Clyde Smith | 33 | Head | Farmer | Kentucky |
| 74 | Elsie Smith | 21 | Wife | — | Kentucky |
| 75 | Helen Sue Smith | 5 | Daughter | — | Kentucky |
| 76 | George Kiser | 87 | Lodger | — | Kentucky |
| 77 | Gray Reynolds | 46 | Head | Fashioner | Kentucky |
| 78 | Bertha Reynolds | 45 | Wife | Merchant | Kentucky |
| 79 | Glenn L Reynolds | 18 | Son | — | Kentucky |
| 80 | Joe Reynolds | 16 | 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)