RF
Robert Frank — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Robert Frank across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Freight Trucker |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Freight Trucker |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1916 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Frank | Son | — | 2 | ~1938 |
| Jesse Frank | Son | — | ~1940 | |
| Thelma Frank | Spouse | — | 25 | ~1915 |
| Robert Frank | Head | — | 24 | ~1916 |
Census Appearances
1920
Hamilton, Ohio
Son, age 4
Hamilton, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fronk |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 14
Hamilton, Ohio · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 24
Hamilton-County, Ohio · implied b. ~1916 — 4 household members
| Surname | Frank |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati City |
| 1935 Residence (County) | Hamilton |
| Occupation | Freight Trucker |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1200 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 John Frank (~0.92 confidence) and father John Fronk (~0.92 confidence) and mother Marie Frank (~0.92 confidence) and mother Marie Fronk (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Frank
b. ~1892
Source father
● Household
· direct · ~0.92
Father
John Fronk
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Marie Frank
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Marie Fronk
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Frank
Head · 1940 · age 24 · b. ~1916 · Ohio
★ 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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03200-00450)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lula Price | 49 | Mother-in-law | — | Kentucky |
| 2 | Minnie Powers | 62 | Head | — | Ohio |
| 3 | Robert Lou Walker | 65 | Head | Rail Road | Tennessee |
| 4 | Ella Mae Walker | 53 | Wife | Dress Maker | Tennessee |
| 5 | William Skeen | 69 | Head | Repair Man | Massachusetts |
| 6 | Genevia Skeen | 40 | Wife | — | Kentucky |
| 7 | William Wessner | 48 | Head | Milkman | Ohio |
| 8 | Clara Wessner | 48 | Wife | — | Ohio |
| 9 | Virginia Wessner | 22 | Daughter | Factory Worker | Ohio |
| 10 | Dorothy Wessner | 20 | Daughter | Factory Worker | Ohio |
| 11 | William Jr. Wessner | 18 | Son | Kitchen Hand | Ohio |
| 12 | Lucille Wessner | 16 | Daughter | — | Ohio |
| 13 | George Beerman | 53 | Head | Tailor | Ohio |
| 14 | Mary Beerman | 40 | Wife | Tailor | Kentucky |
| 15 | Walter Ray | 57 | Head | Tailor | Ohio |
| 16 | Emma Ray | 64 | Wife | Factory Worker | Ohio |
| 17 | Harry Kellers | 49 | Head | Accounting Clerk | Kentucky |
| 18 | Theresa Kellers | 45 | Wife | Asst Floor Lady | Ohio |
| 19 | Harry Jr. Kellers | 21 | Son | — | Ohio |
| 20 | Norma Kellers | 16 | Daughter | — | Ohio |
| 21 | Joseph Ruitman | 45 | Head | Platform Man | Ohio |
| 22 | Lorraine Ruitman | 55 | Wife | Seamstress | Indiana |
| 23 | Julia R. Fry | 81 | Head | — | Ohio |
| 24 | Louisa Fry | 76 | Wife | — | Ohio |
| 25 | George F. Brennegan | 55 | Head | Machinist | Indiana |
| 26 | Nellie Brennegan | 52 | Wife | — | Indiana |
| 27 | Grady Brennegan | 27 | Son | Auditor | Indiana |
| 28 | James Hoy | 30 | Head | Clerk | Ohio |
| 29 | Catherine Hoy | 29 | Wife | — | Yugoslavia |
| 30 | Robert Frank THIS PERSON | 24 | Head | Freight Trucker | Ohio |
| 31 | Thelma Frank | 25 | Wife | — | Ohio |
| 32 | Robert Frank | 2 | Son | — | Ohio |
| 33 | Jesse Frank | 0 | Son | — | Ohio |
| 34 | Martin O. Thomas | 24 | Head | Loader | Tennessee |
| 35 | Opel Thomas | 23 | Wife | — | Tennessee |
| 36 | Verla Thomas | 5 | Daughter | — | Tennessee |
| 37 | Velva Thomas | 2 | Daughter | — | Ohio |
| 38 | Cecil Thomas | 0 | Son | — | Ohio |
| 39 | Earl G. Havlin | 58 | Head | Bartender | Ohio |
| 40 | Grace Havlin | 45 | Wife | — | Ohio |
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)