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Jack Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this Jack Davis across the 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Davis |
| Given Name | Jack E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist # 6 |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Mag Dist 6 |
| Est. Birth Year | ~1927 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Mona Davis | Spouse | — | 36 | ~1904 |
| Glenda Davis | Daughter | — | 4 | ~1936 |
| Charlie Davis | Head | — | 38 | ~1902 |
| Jack Davis | Son | — | 13 | ~1927 |
| Marion Davis | Daughter | — | 11 | ~1929 |
| Wilma Davis | Daughter | — | 8 | ~1932 |
| Billie Davis | Son | — | 3 | ~1937 |
Census Appearances
1930
Knox, Kentucky
Son, age 3
Knox, Kentucky · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Son, age 13
Knox-County, Kentucky · implied b. ~1927 — 7 household members
| Surname | Davis |
| Given Name | Jack E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist # 6 |
| 1935 Residence (County) | Knox |
| 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 Jack Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Davis
Son · 1940 · age 13 · b. ~1927 · Kentucky
★ You are viewing this record
Sibling
Billie Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenda Davis
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Davis
Sibling · 1940 · age 8
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-t0627-01326-01232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilpha Sears | 35 | Wife | — | Kentucky |
| 2 | Johnie Sears | 14 | Son | — | Kentucky |
| 3 | Nellie Sears | 6 | Daughter | — | Kentucky |
| 4 | Danney Davis | 64 | Head | — | Kentucky |
| 5 | Laura Eastridge | 46 | Daughter | — | Kentucky |
| 6 | Clarence Eastridge | 21 | Grandson | Bus Driver | Kentucky |
| 7 | Jewell Eastridge | 15 | Granddaughter | — | Kentucky |
| 8 | Ethel Eastridge | 18 | Granddaughter | — | Kentucky |
| 9 | Charlie Davis | 38 | Head | Labor | Kentucky |
| 10 | Mona Davis | 36 | Wife | — | Kentucky |
| 11 | Jack E. Davis THIS PERSON | 13 | Son | — | Kentucky |
| 12 | Marion C. Davis | 11 | Daughter | — | Kentucky |
| 13 | Wilma L. Davis | 8 | Daughter | — | Kentucky |
| 14 | Glenda J. Davis | 4 | Daughter | — | Kentucky |
| 15 | Billie M. Davis | 3 | Son | — | Kentucky |
| 16 | Archie Liger | 28 | Head | Labor | Kentucky |
| 17 | Minnie Liger | 23 | Wife | — | Kentucky |
| 18 | Kenneth R. Liger | 5 | Son | — | Kentucky |
| 19 | Wayne Liger | 2 | Son | — | Kentucky |
| 20 | Sarah Mullins | 39 | Head | — | Alabama |
| 21 | Mary L. Mullins | 10 | Daughter | — | Kentucky |
| 22 | Ray Reynolds | 23 | Head | Labor | Kentucky |
| 23 | Eula Reynolds | 16 | Sister | — | Kentucky |
| 24 | Elisha H. Dugger | 40 | Head | Truck Driver | Kentucky |
| 25 | Crittie Dugger | 38 | Wife | — | Kentucky |
| 26 | Edith H. Dugger | 18 | Daughter | — | Kentucky |
| 27 | Bass H. Dugger | 16 | Son | — | Kentucky |
| 28 | Ralph D. Dugger | 6 | Son | — | Kentucky |
| 29 | Thomas L. Powell | 58 | Head | Farmer | Kentucky |
| 30 | Lona Powell | 53 | Wife | — | Kentucky |
| 31 | Eveline Powell | 18 | Daughter | — | Kentucky |
| 32 | Thurman Powell | 15 | Son | — | Kentucky |
| 33 | Mary E. Powell | 13 | Daughter | — | Kentucky |
| 34 | Mildred Powell | 10 | Daughter | — | Kentucky |
| 35 | Eugene Mitchell | 54 | Head | Farmer | Kentucky |
| 36 | Mary Mitchell | 49 | Wife | — | Kentucky |
| 37 | Christine Mitchell | 18 | Daughter | — | Kentucky |
| 38 | Ruth Mitchell | 16 | Daughter | — | Kentucky |
| 39 | Imangel Mitchell | 14 | Daughter | — | Kentucky |
| 40 | Billie R. Mitchell | 9 | 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)