LH
Louis Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Louis Hoffman across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Repairman |
| Industry | Wholesale Paper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Repairman |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1915 |
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 Louis | Age | Birth yr |
|---|---|---|---|---|
| Melva Hoffman | Daughter | — | 22 | ~1918 |
| John Hoffman | Head | — | 50 | ~1890 |
| Edward Hoffman | Son | — | 27 | ~1913 |
| Louis Hoffman | Son | — | 25 | ~1915 |
| Ethel Hoffman | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Hamilton, Ohio
Son, age 5
Hamilton, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 15
Hamilton, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Son, age 25
Hamilton-County, Ohio · implied b. ~1915 — 5 household members
| Surname | Hoffman |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Repairman |
| Industry | Wholesale Paper |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H-2 |
| 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 Louis Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hoffman (~0.92 confidence) and father John Hoffmann (~0.92 confidence) and father John Hoffmann (~0.92 confidence) and mother Ethel Hoffmann (~0.92 confidence) and mother Ethel Hoffmann (~0.92 confidence) and mother Ethel Hoffman (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hoffman
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Hoffmann
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Hoffmann
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ethel Hoffmann
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ethel Hoffmann
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ethel Hoffman
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Hoffman
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Edward Hoffman
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melva Hoffman
Sibling · 1940 · age 22
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 — 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-t0627-03200-00317)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonard M Masters | 40 | Head | Engineer Asst | Florida |
| 42 | Edith B Masters | 43 | Wife | — | North Carolina |
| 43 | Arthur Pfaff | 48 | Head | Clerk | Ohio |
| 44 | Lillian Pfaff | 44 | Wife | — | Ohio |
| 45 | Edward H Achepohl | 51 | Head | Paper Carrier | Ohio |
| 46 | Louise Achepohl | 58 | Wife | — | Germany |
| 47 | Edward Achepohl | 27 | Son | Paper Carrier | Ohio |
| 48 | Otto H Katterjohn | 51 | Head | Asst Mailer | Ohio |
| 49 | Clarence W Riebitz | 29 | Head | Production Mgr | Ohio |
| 50 | Dorothy Riebitz | 27 | Wife | — | Ohio |
| 51 | Harvey Malone | 39 | Head | Reg. Sales Eff. | Georgia |
| 52 | Geraldine Malone | 30 | Wife | — | Georgia |
| 53 | H. Ray Warrell | 39 | Head | Salesman | Kentucky |
| 54 | Elma S Warrell | 28 | Wife | — | West Virginia |
| 55 | Thomas Franken | 30 | Head | Mechanical Engineer | Ohio |
| 56 | Charlotte Franken | 27 | Wife | — | Ohio |
| 57 | Harry Remme | 48 | Head | Photo-Engraver | Ohio |
| 58 | Anna Remme | 47 | Wife | — | Ohio |
| 59 | Anna Mae Remme | 24 | Daughter | Wrapper | Ohio |
| 60 | Harry Jr Remme | 20 | Son | App. Printer | Ohio |
| 61 | Andrew Remme | 15 | Daughter | — | Ohio |
| 62 | Bernie Schuetering | 43 | Head | Truck Driver | Ohio |
| 63 | Matilda Schuetering | 30 | Wife | — | Ohio |
| 64 | Jo Ann Schuetering | 5 | Daughter | — | Ohio |
| 65 | Charlene Schuetering | 1 | Daughter | — | Ohio |
| 66 | Matilda Schuetering | 0 | Daughter | — | Ohio |
| 67 | John Waldhart | 59 | Father | Bottler | Austria |
| 68 | Lena Waldhart | 51 | Mother | — | Indiana |
| 69 | Max Hadrika | 51 | Head | Musician | Germany |
| 70 | Katherine Hadrika | 40 | Wife | — | Pennsylvania |
| 71 | Katherine Hadrika | 16 | Daughter | — | Michigan |
| 72 | Marian Hadrika | 15 | Daughter | — | Michigan |
| 73 | Max Jr Hadrika | 7 | Son | — | Ohio |
| 74 | John Hoffman | 50 | Head | Machinist | Ohio |
| 75 | Ethel Hoffman | 50 | Wife | — | Ohio |
| 76 | Edward Hoffman | 27 | Son | Order Clerk | Ohio |
| 77 | Louis Hoffman THIS PERSON | 25 | Son | Repairman | Ohio |
| 78 | Melva Hoffman | 22 | Daughter | Salesometer Operator | Ohio |
| 79 | Edward Link | 68 | Head | — | Ohio |
| 80 | Edward Smith | 61 | Lodger | Order Clerk | Ohio |
Pedigree Summary
Louis + 2 siblings
Gen 1 · 6 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)