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Mary Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calumet-County, Wisconsin
Our Model Tree links this Mary Hoffman across the 1920, 1930 and 1940 US Censuses in Calumet-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1871), then head of a 3-person household.
Age 69
b. ~1871
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calumet-County, Wisconsin |
| Surname | Hoffman |
| Given Name | Mary O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Stockbridge village |
| 1935 Residence (County) | Calumet |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Stockbridge Village |
| Est. Birth Year | ~1871 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Lela Gerhartz | Daughter | — | 15 | ~1925 |
| Henry Hoffman | Head | — | 72 | ~1868 |
| Mary Hoffman | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Calumet, Wisconsin
Spouse, age 44
Calumet, Wisconsin · implied b. ~1876 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Calumet, Wisconsin
Spouse, age 59
Calumet, Wisconsin · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 22 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Calumet-County, Wisconsin
Spouse, age 69
Calumet-County, Wisconsin · implied b. ~1871 — 3 household members
| Surname | Hoffman |
| Given Name | Mary O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Stockbridge village |
| 1935 Residence (County) | Calumet |
| Industry | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Mary Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Hoffman
Spouse · 1940 · age 69 · b. ~1871 · Wisconsin
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Calumet-County, Wisconsin
Open full size
1940 US Federal Census — Calumet-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04463-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lottie Moyer | 47 | Wife | — | Wisconsin |
| 42 | Byron Ab Moyer | 22 | Son | — | Wisconsin |
| 43 | Rev. Roy O. Curless | 47 | Head | Clergyman | Wisconsin |
| 44 | Mary Ellen Curless | 42 | Wife | — | Wisconsin |
| 45 | Lela Pearl Curless | 20 | Daughter | Practical Nurse | Wisconsin |
| 46 | Francis O. Kraemer | 48 | Head | Proprietor | Illinois |
| 47 | Mary Kraemer | 45 | Wife | — | Wisconsin |
| 48 | Anna Kraemer | 20 | Daughter | — | Wisconsin |
| 49 | Nicholas A. Frazer | 76 | Head | — | Germany |
| 50 | Katherine Frazer | 69 | Wife | — | Wisconsin |
| 51 | John Hauth | 56 | Son-in-law | Painter | Wisconsin |
| 52 | Paulina Hauth | 31 | Daughter | — | Wisconsin |
| 53 | John Hauth | 0 | Grandson | — | Wisconsin |
| 54 | Anna O. Rickert | 69 | Head | — | Wisconsin |
| 55 | John O. Pingel | 66 | Head | Road Laborer | Wisconsin |
| 56 | Jessie Pingel | 64 | Wife | — | Wisconsin |
| 57 | Robert Burg | 49 | Head | Carpenter | Wisconsin |
| 58 | Olga O. Burg | 34 | Wife | — | Wisconsin |
| 59 | Robert Burg | 12 | Son | — | Illinois |
| 60 | Beatrice Burg | 10 | Daughter | — | Illinois |
| 61 | Janice Burg | 9 | Daughter | — | Illinois |
| 62 | Bennet Burg | 7 | Son | — | Wisconsin |
| 63 | Donald Burg | 6 | Son | — | Wisconsin |
| 64 | Mary Lou Burg | 3 | Daughter | — | Wisconsin |
| 65 | Henry Hoffman | 72 | Head | Secretary | Wisconsin |
| 66 | Mary O. Hoffman THIS PERSON | 69 | Wife | — | Wisconsin |
| 67 | Lela Gerhartz | 15 | Daughter | — | Wisconsin |
| 68 | Leo Petrie | 45 | Head | Painter | Wisconsin |
| 69 | Loretta O. Petrie | 49 | Wife | Housekeeper | Wisconsin |
| 70 | John O. Puetz | 53 | Head | Proprietor | Wisconsin |
| 71 | Merton O. Hawley | 59 | Head | Butcher | Wisconsin |
| 72 | Elaine Hawley | 30 | Daughter | Practical Nurse | Wisconsin |
| 73 | Howard Hawley | 9 | Grandson | — | Wisconsin |
| 74 | Robert Hawley | 7 | Grandson | — | Wisconsin |
| 75 | George Hemauer | 52 | Head | Proprietor | Wisconsin |
| 76 | Mabel O. Hemauer | 51 | Wife | — | Wisconsin |
| 77 | Carl Hemauer | 25 | Son | Salesman | Wisconsin |
| 78 | Helen Hemauer | 22 | Daughter | Saleslady | Wisconsin |
| 79 | Jean Hemauer | 18 | Daughter | Saleslady | Wisconsin |
| 80 | — | None | — | — | — |
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)