MZ
Mary Zimmerman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Mary Zimmerman across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Female
Spouse
Born: Hungary
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Mt. Healthy |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Ohio |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | St Bernard |
| Est. Birth Year | ~1903 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Zimmerman | Daughter | — | 12 | ~1928 |
| Theresa Zimmerman | Daughter | — | 8 | ~1932 |
| Mary Zimmerman | Daughter | — | 16 | ~1924 |
| Rose Zimmerman | Daughter | — | 7 | ~1933 |
| Barbara Zimmerman | Daughter | — | 15 | ~1925 |
| Peter Zimmerman | Head | — | 39 | ~1901 |
| Frank Zimmerman | Son | — | 10 | ~1930 |
| Peter Zimmerman | Son | — | 11 | ~1929 |
| Mary Zimmerman | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Hamilton, Ohio
Spouse, age 27
Hamilton, Ohio · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Alien |
| Year of Immigration | 1921 |
| Age at First Marriage | 18 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | at home |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Hamilton-County, Ohio
Spouse, age 37
Hamilton-County, Ohio · implied b. ~1903 — 9 household members
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Mt. Healthy |
| 1935 Residence (County) | Hamilton |
| Naturalization Status | Naturalized |
| Highest Grade | No 3 |
| 1935 Residence | Ohio |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 Zimmerman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Zimmerman
Spouse · 1940 · age 37 · b. ~1903 · Ohio
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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 — 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-t0627-03078-00284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosemary Ranfeld | 17 | Daughter | Mother'S Helper | Ohio |
| 42 | William Jr. Ranfeld | 15 | Son | — | Ohio |
| 43 | James Ranfeld | 13 | Son | — | Ohio |
| 44 | Allara Ranfeld | 12 | Daughter | — | Ohio |
| 45 | Eleanor Ranfeld | 11 | Daughter | — | Ohio |
| 46 | Alura Ranfeld | 9 | Daughter | — | Ohio |
| 47 | Theresa Ranfeld | 7 | Daughter | — | Ohio |
| 48 | Lorraine Ranfeld | 5 | Daughter | — | Ohio |
| 49 | Vera Ranfeld | 3 | Daughter | — | Ohio |
| 50 | Joseph Ranfeld | 1 | Son | — | Ohio |
| 51 | Peter N. Zimmerman | 39 | Head | Laborer | Hungary |
| 52 | Mary Zimmerman THIS PERSON | 37 | Wife | — | Hungary |
| 53 | Mary T. Zimmerman | 16 | Daughter | — | Pennsylvania |
| 54 | Barbara Zimmerman | 15 | Daughter | — | Ohio |
| 55 | Helen Zimmerman | 12 | Daughter | — | Ohio |
| 56 | Peter Jr. Zimmerman | 11 | Son | — | Ohio |
| 57 | Frank J. Zimmerman | 10 | Son | — | Ohio |
| 58 | Theresa Zimmerman | 8 | Daughter | — | Ohio |
| 59 | Rose Zimmerman | 7 | Daughter | — | Ohio |
| 60 | Joseph Linnemann | 58 | Head | Repairman Engineer | Ohio |
| 61 | Mary Linnemann | 53 | Wife | — | Austria |
| 62 | Eleanor Linnemann | 27 | Daughter | Dress Maker | Ohio |
| 63 | Marie Linnemann | 25 | Daughter | Salesgirl | Ohio |
| 64 | Delores Linnemann | 18 | Daughter | New Worker | Ohio |
| 65 | Henry Deutsch | 81 | Father in law | — | Austria |
| 66 | Geneva Williams | 22 | Daughter | — | Ohio |
| 67 | James J. Burke | 53 | Head | New Worker | Ohio |
| 68 | Ida B. Burke | 46 | Wife | Candle Maker | Ohio |
| 69 | Esther Burke | 22 | Daughter | — | Ohio |
| 70 | Walter Burke | 19 | Son | General Office | Ohio |
| 71 | Ida B. Gill | 56 | Head | Candle Presser | Ohio |
| 72 | Anna Pleamond | 77 | Mother | Owner | Ohio |
| 73 | Frank Ohl | 34 | Head | — | Ohio |
| 74 | Irene Ohl | 30 | Wife | Manager | Ohio |
| 75 | June Ohl | 5 | Daughter | — | Ohio |
| 76 | David Ohl | 2 | Son | — | Ohio |
| 77 | Theresa Burke | 75 | Head | — | Ohio |
| 78 | Emma Mcfarland | 54 | Head | — | Ohio |
| 79 | Augusta Diehl | 70 | Mother | — | Germany |
| 80 | Margaret Bastian | 78 | Aunt | — | Ohio |
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)