RH
Robert Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Robert Hoffman across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Alois & Alois — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Cab Driver |
| Industry | Taxi Company |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 175 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cab Driver |
| Township / Ward | Toledo |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Alois Hoffman | Head | — | 56 | ~1884 |
| Robert Hoffman | Son | — | 22 | ~1918 |
| Edward Hoffman | Son | — | 23 | ~1917 |
Census Appearances
1920
Lucas, Ohio
Son, age 1
Lucas, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Son, age 11
Lucas, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Son, age 22
Lucas-County, Ohio · implied b. ~1918 — 3 household members
| Surname | Hoffman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Occupation | Cab Driver |
| Industry | Taxi Company |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 175 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alois Hoffman (~0.92 confidence) and father Alois Hoffman (~0.92 confidence) and father Aloysius Hoffman (~0.92 confidence) and mother Lillie Hoffman (~0.92 confidence) and mother Stella Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alois Hoffman
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Alois Hoffman
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Aloysius Hoffman
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Lillie Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Stella Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hoffman
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Edward Hoffman
Sibling · 1940 · age 23
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03258-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elaine Michalski | 16 | Daughter | 0 | Same house |
| 42 | Stanley Krurowicz | 35 | Head | Welder | Ohio |
| 43 | Margaret Krurowicz | 35 | Wife | — | Ohio |
| 44 | Howard Krurowicz | 10 | Son | — | Ohio |
| 45 | Alex Wojciechowski | 46 | Head | Janitor | Ohio |
| 46 | Wanda Wojciechowski | 31 | Wife | Dressmaker | Ohio |
| 47 | Richard Wojciechowski | 12 | Son | — | Ohio |
| 48 | Leo Szymorowski | 51 | Head | Machinist | Poland |
| 49 | Helen Szymorowski | 47 | Wife | — | Poland |
| 50 | Leonard Szymorowski | 24 | Son | Polisher | Ohio |
| 51 | Helen Szymorowski | 19 | Daughter | Waitress | Ohio |
| 52 | Mary Jane Szymorowski | 17 | Daughter | Typist | Ohio |
| 53 | Frank Kotchi | 57 | Head | Filler | Poland |
| 54 | Constance Kotchi | 55 | Wife | — | Poland |
| 55 | Anthony Kotchi | 23 | Son | — | Ohio |
| 56 | Dorothy Kotchi | 19 | Daughter | Stenographer | Ohio |
| 57 | Alois E. Hoffman | 56 | Head | County Engineer | Illinois |
| 58 | Edward Hoffman | 23 | Son | Asst. Ball Player | Ohio |
| 59 | Robert Hoffman THIS PERSON | 22 | Son | Cab Driver | Ohio |
| 60 | Katherine Hojnacki | 57 | Head | — | Poland |
| 61 | Stella Hojnacki | 30 | Daughter | Dressmaker | Ohio |
| 62 | Joseph Hojnacki | 18 | Son | School Police | Ohio |
| 63 | Dorothy Hojnacki | 12 | Daughter | — | Ohio |
| 64 | Anthony E. Asparagus | 51 | Head | House Work | Ohio |
| 65 | Hattie Asparagus | 42 | Wife | Railroad Worker | Ohio |
| 66 | Phyllis Asparagus | 24 | Daughter | House Work | Ohio |
| 67 | Frank Asparagus | 22 | Son | Carrier | Ohio |
| 68 | Anna Borysiak | 67 | Head | — | Ohio |
| 69 | Edmund Borysiak | 43 | Son | Operator | Ohio |
| 70 | Matthew Borysiak | 39 | Son | Operator | Ohio |
| 71 | Bertha Borysiak | 30 | Daughter-in-law | — | Ohio |
| 72 | Richard Borysiak | 13 | Grand-son | — | Ohio |
| 73 | Walter Borysiak | 11 | Grand-son | — | Ohio |
| 74 | Virginia Borysiak | 9 | Grand-daughter | — | Ohio |
| 75 | Julian Borysiak | 44 | Head | Set Up Man | Ohio |
| 76 | Violet Borysiak | 34 | Wife | — | Ohio |
| 77 | Edwin Borysiak | 21 | Son | Shipping Clerk | Ohio |
| 78 | Raymond Borysiak | 19 | Son | Truck Driver | Ohio |
| 79 | Jerome Borysiak | 16 | Son | — | Ohio |
| 80 | Lucille Borysiak | 12 | Daughter | — | Ohio |
Related Census Records
Pedigree Summary
Robert + 1 sibling
Gen 1 · 5 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)