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Henry Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dane-County, Wisconsin
Our Model Tree links this Henry Hoffman across the 1920, 1930 and 1940 US Censuses in Dane-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Alma & Mary — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dane-County, Wisconsin |
| Surname | Hoffman |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison |
| Additional Details | |
| Occupation | Dentist |
| Industry | CA |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Dentist |
| Township / Ward | Madison City |
| Est. Birth Year | ~1902 |
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 Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Hoffman | Head | — | 38 | ~1902 |
| Thecla Hoffman | Spouse | — | 29 | ~1911 |
| James Hoffman | Son | — | 1 | ~1939 |
Census Appearances
1920
Dane, Wisconsin
Son, age 17
Dane, Wisconsin · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hofmann |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Dane, Wisconsin
Son, age 28
Dane, Wisconsin · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Germany |
| Mother's Birthplace | Wisconsin |
| Occupation | Dentist |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Dane-County, Wisconsin
Head, age 38
Dane-County, Wisconsin · implied b. ~1902 — 3 household members
| Surname | Hoffman |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Madison |
| Occupation | Dentist |
| Industry | CA |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Henry Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alma Hoffman (~0.92 confidence) and mother Mary Hofmann (~0.92 confidence) and father William Hofmann (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alma Hoffman
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Hofmann
b. ~1866
Source mother
● Household
· direct · ~0.92
Father
William Hofmann
b. ~1866
Source father
● Household
· direct · ~0.92
This person
Anchor record
Henry Hoffman
Head · 1940 · age 38 · b. ~1902 · Wisconsin
★ 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 — Dane-County, Wisconsin
Open full size
1940 US Federal Census — Dane-County, Wisconsin
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04470-00400)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan Taylor | 18 | Daughter | — | Wisconsin |
| 2 | Carlton Taylor | 15 | Son | — | Wisconsin |
| 3 | Henry Hoffman THIS PERSON | 38 | Head | Dentist | Wisconsin |
| 4 | Thecla Hoffman | 29 | Wife | — | Wisconsin |
| 5 | James H. Hoffman | 1 | Son | — | Wisconsin |
| 6 | John E. Dudley | 53 | Head | Asst. Meteorologist | Massachusetts |
| 7 | Frances Dudley | 53 | Wife | — | Wisconsin |
| 8 | Sherman Dudley | 18 | Son | — | Wisconsin |
| 9 | Francis Scott | 54 | Head | Manager | Wisconsin |
| 10 | Mabel E. Scott | 50 | Wife | Manager | Illinois |
| 11 | Grace Bischoff | 19 | Boarder | Stenographer | Wisconsin |
| 12 | Lewis Nagler | 29 | Head | Free Lance Writer | Wisconsin |
| 13 | Helen Linda Nagler | 27 | Wife | — | Wisconsin |
| 14 | Howard Brown | 42 | Head | Secy Board Of Education | Wisconsin |
| 15 | Winifred Brown | 42 | Wife | — | England |
| 16 | Kathleen Brown | 15 | Daughter | — | Wisconsin |
| 17 | Elaine Brown | 11 | Daughter | — | Wisconsin |
| 18 | Richard Brown | 4 | Son | — | Wisconsin |
| 19 | William J. Reese | 49 | Head | Asst. Gen. Agent | Wisconsin |
| 20 | Jeanette Reese | 48 | Wife | Nurse | Wisconsin |
| 21 | Rudolph F. Houser | 64 | Father-in-law | Machinist | Wisconsin |
| 22 | Eva Houser | 62 | Mother-in-law | — | Connecticut |
| 23 | Edgar Gordon | 33 | Head | Physician | Illinois |
| 24 | Lola Gordon | 31 | Wife | — | Illinois |
| 25 | Joan Gordon | 5 | Daughter | — | Wisconsin |
| 26 | Stuart Gordon | 0 | Son | — | Wisconsin |
| 27 | Sterling Toepfer | 44 | Head | Vice President | Wisconsin |
| 28 | Agnes Toepfer | 43 | Wife | — | Wisconsin |
| 29 | Jean Toepfer | 15 | Daughter | — | Wisconsin |
| 30 | Robert Toepfer | 13 | Son | — | Wisconsin |
| 31 | Wilbur Peterson | 33 | Head | Civil Engineer | Wisconsin |
| 32 | Isabell Peterson | 31 | Wife | — | New Jersey |
| 33 | Wm. Scofield Peterson | 2 | Son | — | Wisconsin |
| 34 | Erwin Gaumnitz | 33 | Head | Teaching | Minnesota |
| 35 | Evelyn Gaumnitz | 31 | Wife | — | Minnesota |
| 36 | Jane A. Gaumnitz | 8 | Daughter | — | Minnesota |
| 37 | Roger K. Gaumnitz | 5 | Son | — | Minnesota |
| 38 | Jack E. Gaumnitz | 4 | Son | — | Minnesota |
| 39 | Thomas W. Gaumnitz | 3 | Son | — | Minnesota |
Pedigree Summary
Henry
Gen 1 · 3 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)