RH
Robert Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Robert Hoffman across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Hoffman |
| Given Name | Robert T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Runner for bank |
| Industry | Trust Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 660 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Runner For Bank |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Patricia Hoffman | Daughter | — | 12 | ~1928 |
| Sadie Hoffman | Spouse | — | 49 | ~1891 |
| Eugene Hoffman | Son | — | 17 | ~1923 |
| Robert Hoffman | Son | — | 23 | ~1917 |
| William Hoffman | Head | — | 51 | ~1889 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 2
Jefferson, Kentucky · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 12
Jefferson, Kentucky · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 23
Jefferson-County, Kentucky · implied b. ~1917 — 5 household members
| Surname | Hoffman |
| Given Name | Robert T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Runner for bank |
| Industry | Trust Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 660 |
| 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 Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hoffman (~0.92 confidence) and father William Hoffman (~0.92 confidence) and father William Hoffman (~0.92 confidence) and mother Sarah Hoffman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hoffman
b. ~1889
Source father
● Household
· direct · ~0.92
Father
William Hoffman
b. ~1889
Source father
● Household
· direct · ~0.92
Father
William Hoffman
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Sarah Hoffman
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hoffman
Son · 1940 · age 23 · b. ~1917 · Kentucky
★ You are viewing this record
Sibling
Patricia Hoffman
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hoffman
Sibling · 1940 · age 17
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01366-00208)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John R Moss | 12 | Son | — | Kentucky |
| 2 | Paul Gerhabstein | 35 | Head | Business Mgr | Kentucky |
| 3 | Anna Mae Gerhabstein | 31 | Wife | — | Kentucky |
| 4 | Richard P Gerhabstein | 7 | Son | — | Kentucky |
| 5 | Thomas P Gerhabstein | 5 | Son | — | Kentucky |
| 6 | Anita M Gerhabstein | 4 | Daughter | — | Kentucky |
| 7 | Susan Marie Gerhabstein | 2 | Daughter | — | Kentucky |
| 9 | Phillip E Ginsious | 25 | Head | Counterman | Kentucky |
| 10 | Eelgie L Ginsious | 52 | Mother | — | Kentucky |
| 11 | Robert N Ginsious | 21 | Brother | Electrician | Kentucky |
| 12 | Gilbert P Ginsious | 19 | Brother | Surveyor | Kentucky |
| 13 | Raymond F Ginsious | 17 | Brother | Electrician Helper | Kentucky |
| 14 | Joseph M Ginsious | 9 | Brother | — | Kentucky |
| 15 | Lawrence E Ginsious | 8 | Brother | — | Kentucky |
| 16 | Shirley Davidson | 32 | Lodger | Clerk | Kentucky |
| 17 | Eric F Theder | 35 | Head | Watch Repairer | Germany |
| 18 | Elsie M Theder | 38 | Wife | — | Germany |
| 19 | Grace E Theder | 11 | Daughter | — | Ohio |
| 20 | Eric Jr Theder | 8 | Son | — | Kentucky |
| 21 | Thomas L Callahan | 68 | Head | Cemetery Keeper | Kentucky |
| 22 | Elizabeth Callahan | 58 | Wife | — | Kentucky |
| 23 | William C Hoffman | 51 | Head | Home Bldg Contractor | Kentucky |
| 24 | Sadie E Hoffman | 49 | Wife | — | Indiana |
| 25 | Robert T Hoffman THIS PERSON | 23 | Son | Runner For Bank | Kentucky |
| 26 | Eugene F Hoffman | 17 | Son | — | Kentucky |
| 27 | Patricia L Hoffman | 12 | Daughter | — | Kentucky |
| 28 | William R Fleming | 41 | Head | Commercial Artist | Kentucky |
| 29 | Lillie P Fleming | 31 | Wife | Commercial Artist | Kentucky |
| 30 | Henry S Stone | 28 | Head | Clerk | Washington |
| 31 | Catherine Stone | 38 | Wife | Stenographer | Kentucky |
| 32 | Horace S Stone | 4 | Son | — | Kentucky |
| 33 | Emmett E Godbold | 60 | Head | Private Accountant | Texas |
| 34 | Elizabeth Godbold | 48 | Wife | — | Kentucky |
| 35 | Charles H Morris | 26 | Staff | Clerk Commercial Dept | Kentucky |
| 36 | Leo R Sagen | 50 | Head | Sign Salesman | N Dakota |
| 37 | Ethel F Sagen | 40 | Wife | — | Kentucky |
| 38 | Charles Th Rosales | 28 | Head | Office Mgr | Missouri |
| 39 | Ruby E Rosales | 25 | Wife | Stenographer | Missouri |
| 40 | Emery S Jr Graham | 30 | Head | Accountant | Kentucky |
Pedigree Summary
Robert + 2 siblings
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)