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Jack Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bourbon-County, Kansas
Our Model Tree links this Jack Davis across the 1930 and 1940 US Censuses in Bourbon-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bourbon-County, Kansas |
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Marion north T.R.R. |
| 1935 Residence (County) | Bourbon |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Marion North Trr |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Gerald Davis | Son | — | 3 | ~1937 |
| Harvey Davis | Son | — | 19 | ~1921 |
| Glen Davis | Son | — | 15 | ~1925 |
| Jack Davis | Son | — | 12 | ~1928 |
| John Davis | Son | — | 6 | ~1934 |
| Ruth Davis | Daughter | — | 21 | ~1919 |
| Gilbert Davis | Son | — | 14 | ~1926 |
| Betty Davis | Daughter | — | 18 | ~1922 |
| Harvey Davis | Son | — | 9 | ~1931 |
| Albert Davis | Head | — | 49 | ~1891 |
| Gladys Davis | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Bourbon, Kansas
Son, age
Bourbon, Kansas · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Jackie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Bourbon-County, Kansas
Son, age 12
Bourbon-County, Kansas · implied b. ~1928 — 11 household members
| Surname | Davis |
| Given Name | Jack |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Marion north T.R.R. |
| 1935 Residence (County) | Bourbon |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 12 · b. ~1928 · Kansas
★ You are viewing this record
Sibling
Gerald Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Davis
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glen Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Davis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Davis
Sibling · 1940 · age 14
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 — Bourbon-County, Kansas
Open full size
1940 US Federal Census — Bourbon-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01221-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Johnson | 25 | son | Farmer | Kansas |
| 2 | Abner Johnson | 21 | son | Farm Laborer | Kansas |
| 3 | Orvis L. Anderson | 51 | Head | Farmer | Kansas |
| 4 | Margaret E. Anderson | 49 | Wife | — | Kansas |
| 5 | Lason Anderson | 17 | daughter | — | Kansas |
| 6 | Paul Anderson | 15 | son | Family Worker | Kansas |
| 7 | Edward Brown | 23 | Head | Truck Driver | Kansas |
| 8 | Margaret E. Brown | 22 | Wife | — | Kansas |
| 9 | Donna J. Brown | 1 | daughter | — | Kansas |
| 10 | Robert Brown | 19 | brother | Assistant Clerk | Kansas |
| 11 | Marion Brown | 9 | brother | — | Kansas |
| 12 | Earl R. Robinson | 29 | Head | Farmer | Kansas |
| 13 | Frances Robinson | 25 | wife | — | Missouri |
| 14 | Maurice Robinson | 5 | son | — | Kansas |
| 15 | Merle Robinson | 4 | son | — | Kansas |
| 16 | Lynn Robinson | 2 | son | — | Kansas |
| 17 | Anita Robinson | 0 | daughter | — | Kansas |
| 18 | Albert E. Davis | 49 | Head | Farmer | Kansas |
| 19 | Gladys Davis | 40 | wife | — | Kansas |
| 20 | Ruth Davis | 21 | daughter | — | Kansas |
| 21 | Harvey Davis | 19 | son | — | Kansas |
| 22 | Betty Lou Davis | 18 | daughter | — | Kansas |
| 23 | Glen Davis | 15 | son | — | Kansas |
| 24 | Gilbert Davis | 14 | son | — | Kansas |
| 25 | Jack Davis THIS PERSON | 12 | son | — | Kansas |
| 26 | Harvey Davis | 9 | son | — | Kansas |
| 27 | John Davis | 6 | son | — | Kansas |
| 28 | Gerald Davis | 3 | son | — | Kansas |
| 29 | Alvin R. Gilfillan | 54 | Head | Farmer | Kansas |
| 30 | Eudora Gilfillan | 51 | wife | — | Kansas |
| 31 | Conner Gilfillan | 18 | son | — | Kansas |
| 32 | Gertrude Gilfillan | 15 | daughter | — | Kansas |
| 33 | Vern Richards | 31 | Head | Farmer | Kansas |
| 34 | Mary Richards | 24 | wife | — | Kansas |
| 35 | Bater Richards | 4 | son | — | Kansas |
| 36 | Joel T. Jennings | 76 | Head | — | Illinois |
| 37 | Ruby Jennings | 27 | daughter | — | Kansas |
| 38 | Fred Jennings | 25 | son | Farmer | Kansas |
| 39 | Otis Todd | 64 | Head | Farmer | New Jersey |
| 40 | Gladys Todd | 50 | wife | — | Nebraska |
Related Census Records
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)