ID
Isaac Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Kentucky
Our Model Tree links this Isaac Davis across the 1920, 1930 and 1940 US Censuses in Jefferson, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 4-person household.
Age 69
b. ~1861
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Kentucky |
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Signal man |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Signal Man |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1861 |
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 1930 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Thomas Davis | Son | — | 15 | ~1915 |
| Eyselle Davis | Daughter | — | 35 | ~1895 |
| Amelia Davis | Spouse | — | 58 | ~1872 |
| Isaac Davis | Head | — | 69 | ~1861 |
Census Appearances
1920
Jefferson, Kentucky
Head, age 54
Jefferson, Kentucky · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Auto Washer |
| Industry | School Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Jefferson, Kentucky
Head, age 69
Jefferson, Kentucky · implied b. ~1861 — 4 household members
| Surname | Davis |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 24 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | Signal man |
| Industry | Steam R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Jefferson-County, Kentucky
Other, age 75
Jefferson-County, Kentucky · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Isaac D |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | none |
| Industry | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Isaac Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Davis
Head · 1930 · age 69 · b. ~1861 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jefferson, Kentucky
Open full size
1930 US Federal Census — Jefferson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel759:0070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shelby Higgins | 13 | Son | — | Kentucky |
| 2 | Leo Higgins | 31 | Brother | Assembler | Kentucky |
| 3 | Marie Bollinger | 34 | Sister-in-law | — | Indiana |
| 4 | Joseph Philpott | 35 | Head | Salesman | Kentucky |
| 5 | Mary L. Philpott | 31 | Wife | — | Kentucky |
| 6 | Arthur Etherton | 26 | Head | Carpenter | Kentucky |
| 7 | Edna Etherton | 21 | Wife | — | Illinois |
| 8 | Frank Middles | 20 | Head | Fireman Helper | Kentucky |
| 9 | Dorothy Middles | 19 | Wife | Sales Lady | Kentucky |
| 10 | Robert Terry | 23 | Head | Chauffeur | Tennessee |
| 11 | Ruth Terry | 23 | Wife | Stenographer | Kentucky |
| 12 | Leslie Scott | 31 | Head | Fireman | Kentucky |
| 13 | Opal Scott | 24 | Wife | — | Indiana |
| 14 | Paul Russe | 32 | Head | Sheet Metal | Kentucky |
| 15 | Eleanor Russe | 25 | Wife | — | Kentucky |
| 16 | Davis B. Carter | 51 | Head | Distiller | Kentucky |
| 17 | Paul Carter | 16 | Son | — | Kentucky |
| 18 | Bird Secrey | 47 | Head | Officer | Kentucky |
| 19 | Mattie Secrey | 49 | Wife | — | Kentucky |
| 20 | Frank Voris | 44 | Head | Switchman | Indiana |
| 21 | Richard Randolph | 49 | Head | Switchman | Kentucky |
| 22 | Ida May Randolph | 45 | Wife | — | Kentucky |
| 23 | Richard Jr. Randolph | 17 | Son | Butcher | Kentucky |
| 24 | Georgia Pritchard | 52 | Head | Waitress | Ohio |
| 25 | Catherine O'Bryan | 44 | Head | — | Kentucky |
| 26 | Beatrice O'Bryan | 17 | Daughter | Sales Lady | Kentucky |
| 27 | Bernadine O'Bryan | 15 | Daughter | — | Kentucky |
| 28 | James O'Bryan | 7 | Son | — | Kentucky |
| 29 | Isaac Davis THIS PERSON | 69 | Head | Signal Man | Indiana |
| 30 | Amelia Davis | 58 | Wife | — | Kentucky |
| 31 | Eyselle Davis | 35 | Daughter | Telephone Op. | Kentucky |
| 32 | Thomas Davis | 15 | Son | Delivery Boy | Kentucky |
| 33 | Mattie Linville | 48 | Head | Nurse | Kentucky |
| 34 | Joseph Linville | 19 | Son | Plumber | Kentucky |
| 35 | Lois M. Linville | 16 | Daughter | Clerk | Kentucky |
| 36 | Sallie Means | 63 | Head | Nurse | Indiana |
| 37 | Julius Alford | 28 | Head | Chauffeur | Kentucky |
| 38 | Elizabeth Alford | 26 | Wife | Laundress | Tennessee |
| 39 | Charles Alford | 7 | Son | — | Kentucky |
| 40 | Virginia Alford | 6 | Daughter | — | Kentucky |
| 41 | Leonard Alford | 4 | Son | — | Kentucky |
| 42 | Emery Brandenburg | 41 | Head | Salesman | Kentucky |
| 43 | Ethel Brandenburg | 38 | Wife | — | Kentucky |
| 44 | Russell Brandenburg | 14 | Son | — | Ohio |
| 45 | Clifford Brandenburg | 9 | Son | — | Ohio |
| 46 | Juanita Brandenburg | 8 | Daughter | — | Ohio |
| 47 | Lorraine Brandenburg | 6 | Daughter | — | Kentucky |
| 48 | Le Mae Brandenburg | 4 | Daughter | — | Kentucky |
| 49 | Robert Jr. Terry | 3 | Son | — | Kentucky |
| 50 | — | None | — | — | — |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)