JD
Jack Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Alabama
Our Model Tree links this Jack Davis across the 1930 and 1940 US Censuses in Shelby-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Alabama |
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Chelsea Route 1 |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Chelsea Route 1 |
| Est. Birth Year | ~1926 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Sam Davis | Son | — | 5 | ~1935 |
| Gladys Davis | Spouse | — | 37 | ~1903 |
| Dwight Davis | Son | — | 2 | ~1938 |
| Sherry Davis | Son | — | 12 | ~1928 |
| Lynn Davis | Son | — | ~1940 | |
| Louis Davis | Head | — | 57 | ~1883 |
| Jack Davis | Son | — | 14 | ~1926 |
| Sarah Davis | Daughter | — | 8 | ~1932 |
| Vankie Davis | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Shelby, Alabama
Son, age 4
Shelby, Alabama · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Shelby-County, Alabama
Son, age 14
Shelby-County, Alabama · implied b. ~1926 — 9 household members
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Chelsea Route 1 |
| 1935 Residence (County) | Shelby |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 14 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Sarah Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Davis
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dwight Davis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lynn Davis
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vankie Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherry Davis
Sibling · 1940 · age 12
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 — Shelby-County, Alabama
Open full size
1940 US Federal Census — Shelby-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00079-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilton E. Kendrick | 15 | Son | — | Alabama |
| 42 | Freddie Kendrick | 13 | Daughter | — | Alabama |
| 43 | Lera Jean Kendrick | 9 | Daughter | — | Alabama |
| 44 | Martice A. Johnson | 52 | Head | Farming | Alabama |
| 45 | Euda Johnson | 41 | Wife | — | Alabama |
| 46 | Velton Q. Johnson | 25 | Son | Drill Helper | Alabama |
| 47 | Ruth Johnson | 20 | Daughter | — | Alabama |
| 48 | Fred Austin Johnson | 18 | Son | — | Alabama |
| 49 | Robert E. Miller | 54 | Head | Contractor | Alabama |
| 50 | Lillie E. Miller | 49 | Wife | — | Alabama |
| 51 | Louise Miller | 16 | Daughter | — | Alabama |
| 52 | Frances Miller | 10 | Daughter | — | Alabama |
| 53 | Fred Miller | 10 | Son | — | Alabama |
| 54 | Robert E. Jr. Miller | 23 | Head | Carpenter Helper | Alabama |
| 55 | Vera Mae Miller | 15 | Wife | — | Alabama |
| 56 | Joseph B. Davis | 45 | Head | — | Alabama |
| 57 | Lillie May Davis | 39 | Wife | — | Alabama |
| 58 | James M. Davis | 19 | Son | — | West Virginia |
| 59 | James A. Osborn | 25 | Lodger | Farming | Alabama |
| 60 | Louis L. Davis | 57 | Head | Farming | Alabama |
| 61 | Gladys L. Davis | 37 | Wife | — | Georgia |
| 62 | Jack Davis THIS PERSON | 14 | Son | — | Alabama |
| 63 | Sherry Davis | 12 | Son | — | Alabama |
| 64 | Vankie Lou Davis | 11 | Daughter | — | Alabama |
| 65 | Sarah L. Davis | 8 | Daughter | — | Alabama |
| 66 | Sam Davis | 5 | Son | — | Alabama |
| 67 | Dwight Davis | 2 | Son | — | Alabama |
| 68 | Lynn Davis | 0 | Son | — | Alabama |
| 69 | Joe Carlile | 67 | Head | Farming | Alabama |
| 70 | Beulah Mims | 34 | Daughter | — | Alabama |
| 71 | Crawford Mims | 39 | Son-in-law | Farming | Alabama |
| 72 | Crawford Jr. Mims | 16 | Grandson | — | Alabama |
| 73 | Charlie Mims | 13 | Grandson | — | Alabama |
| 74 | Paul Mims | 11 | Grandson | — | Alabama |
| 75 | William B. Mims | 2 | Grandson | — | Alabama |
| 76 | William B. Shirley | 70 | Head | Farming | Georgia |
| 77 | Norman Shirley | 37 | Son | Farming | Alabama |
| 78 | Charlie Blackerby | 52 | Head | Farming | Alabama |
| 79 | Hattie Blackerby | 48 | Wife | — | Alabama |
| 80 | Mable Blackerby | 33 | Daughter | — | Alabama |
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)