RF
Robert Frank — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Robert Frank across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Abraham & Abraham — first a son (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Electrician |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Electrician |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Jessie Frank | Spouse | — | 64 | ~1876 |
| Abraham Frank | Head | — | 74 | ~1866 |
| Robert Frank | Son | — | 32 | ~1908 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 12
Jefferson, Kentucky · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 22
Jefferson, Kentucky · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Electrician |
| Industry | Elec. Contractor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 32
Jefferson-County, Kentucky · implied b. ~1908 — 3 household members
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Electrician |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 57 |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 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 Robert Frank across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abraham Frank (~0.92 confidence) and father Abraham Frank (~0.92 confidence) and mother Jessie Frank (~0.92 confidence) and mother Jessie Frank (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abraham Frank
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Abraham Frank
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Jessie Frank
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Jessie Frank
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Frank
Son · 1940 · age 32 · b. ~1908 · Kentucky
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01374-00667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence O. Reeves | 54 | Head | Post Office Clerk | Kentucky |
| 42 | Catherine P. Reeves | 52 | Wife | — | Kentucky |
| 43 | Jerry Corrie Reeves | 52 | Sister-in-law | Cigarette Maker | Kentucky |
| 44 | Edward Peters | 25 | Head | Office Clerk | Kentucky |
| 45 | Dorothy P. Peters | 26 | Wife | — | Kentucky |
| 46 | Edward, Jr. Peters | 0 | Son | — | Kentucky |
| 47 | Abraham Frank | 74 | Head | — | Kentucky |
| 48 | Jessie H. Frank | 64 | Wife | — | Kentucky |
| 49 | Robert Frank THIS PERSON | 32 | Son | Electrician | Kentucky |
| 50 | August Kunkel | 81 | Head | — | Germany |
| 51 | Julia A. Kunkel | 76 | Wife | — | Germany |
| 52 | Arthur C. Meyer | 55 | Son-in-law | Woodworker | Indiana |
| 53 | Theresa A. Meyer | 46 | Daughter | — | Kentucky |
| 54 | Elmer Lee Meyer | 18 | Grandson | Paper Boy | Kentucky |
| 55 | Elsie Bennett | 35 | Daughter | Stenographer | Kentucky |
| 56 | Audrey J. Bennett | 12 | Granddaughter | — | Kentucky |
| 57 | B. Arnold Bennett | 9 | Grandson | — | Kentucky |
| 58 | August F. Kahafer | 46 | Head | Switchman | Kentucky |
| 59 | Alma Kahafer | 42 | Wife | — | Kentucky |
| 60 | Maurice Kahafer | 21 | Son | Switchman | Kentucky |
| 61 | Mary C. Kahafer | 18 | Daughter | Telephone Clerk | Kentucky |
| 62 | Catherine Kahafer | 16 | Daughter | — | Kentucky |
| 63 | David Kahafer | 14 | Son | — | Kentucky |
| 64 | Raymond Kahafer | 12 | Son | — | Kentucky |
| 65 | Glen Kahafer | 9 | Son | — | Kentucky |
| 66 | Daniel Kahafer | 8 | Son | — | Kentucky |
| 67 | Norma Kahafer | 7 | Daughter | — | Kentucky |
| 68 | Verna Kahafer | 5 | Daughter | — | Kentucky |
| 69 | Fred C. Duser | 52 | Head | Watchman | Kentucky |
| 70 | Lorene A. Duser | 48 | Wife | — | Kentucky |
| 71 | Catherine Duser | 25 | Daughter | Stenographer | Kentucky |
| 72 | Thelma Duser | 21 | Daughter | Waitress | Kentucky |
| 73 | Earl Duser | 16 | Son | — | Kentucky |
| 74 | Mamie D. Miller | 65 | Head | Telephone Solicitor | Kentucky |
| 75 | H. B. Thacker | 66 | Head | — | Kentucky |
| 76 | Alma M. Thacker | 62 | Wife | — | Kentucky |
| 77 | James H. Thacker | 30 | Son | Maintenance Man | Kentucky |
| 78 | Grace Thacker | 21 | Daughter-in-law | — | Kentucky |
| 79 | James M. Thacker | 8 | Grandson | — | Kentucky |
| 80 | Minnie B. Thacker | 5 | Grandson | — | Kentucky |
Pedigree Summary
Robert
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)