MZ
Mary Zimmerman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Mary Zimmerman across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Zimmerman | Daughter | — | 19 | ~1921 |
| Eloa Zimmerman | Daughter | — | 4 | ~1936 |
| Lois Zimmerman | Daughter | — | 16 | ~1924 |
| Arlee Zimmerman | Daughter | — | 27 | ~1913 |
| Julia Zimmerman | Daughter | — | 25 | ~1915 |
| Julius Zimmerman | Head | — | 57 | ~1883 |
| Leo Zimmerman | Son | — | 15 | ~1925 |
| Julius Zimmerman | Son | — | 23 | ~1917 |
| George Zimmerman | Son | — | 21 | ~1919 |
| Mary Zimmerman | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Cuyahoga, Ohio
Daughter, age 9
Cuyahoga, Ohio · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmermann |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | France |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 19
Cuyahoga-County, Ohio · implied b. ~1921 — 10 household members
| Surname | Zimmerman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| 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 Mary Zimmerman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Zimmerman
Daughter · 1940 · age 19 · b. ~1921 · Ohio
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Sibling
Julius Zimmerman
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Zimmerman
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Zimmerman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Zimmerman
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlee Zimmerman
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloa Zimmerman
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Zimmerman
Sibling · 1940 · age 21
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03229-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin F. Lutton | 53 | Brother-in-law | Maintenance Man | Ohio |
| 2 | Edwin F. Jr. Lutton | 15 | Nephew | — | Ohio |
| 3 | Julius Wallman | 68 | Head | — | Germany |
| 4 | Anna Wallman | 66 | Wife | — | Germany |
| 5 | Leona Sunagel | 40 | Daughter | Operator | Ohio |
| 6 | Harold Sunagel | 17 | Grand-son | — | Ohio |
| 7 | Lois Sunagel | 14 | Grand-daughter | — | Ohio |
| 8 | Ronald Sunagel | 9 | Grand-son | — | Ohio |
| 9 | Jacob Green | 41 | Head | Prop. | Russia |
| 10 | Sarah Green | 39 | Wife | — | Russia |
| 11 | Selma Green | 11 | Daughter | — | Ohio |
| 12 | Martin P. Cabany | 45 | Head | Prop. | Pennsylvania |
| 13 | Theresa Cabany | 41 | Wife | Assistant In Store | Pennsylvania |
| 14 | Leonard Cabany | 21 | Son | — | Pennsylvania |
| 15 | Jean Cabany | 18 | Daughter | — | Pennsylvania |
| 16 | Erwin Delitz | 48 | Head | Post Office Clerk | Ohio |
| 17 | Jennie Delitz | 45 | Wife | — | Austria |
| 18 | Betty Jane Delitz | 18 | Daughter | — | Ohio |
| 19 | Lillian Delitz | 16 | Daughter | — | Ohio |
| 20 | Doris Delitz | 6 | Daughter | — | Ohio |
| 21 | Patrick Gilmore | 71 | Head | — | Ireland |
| 22 | Julia Gilmore | 61 | Wife | — | Ireland |
| 23 | Marius Munzi | 55 | Head | Tailor | Italy |
| 24 | Frances Munzi | 57 | Wife | — | Italy |
| 25 | Eva Mugranz | 33 | Daughter | — | Ohio |
| 26 | John Mugranz | 33 | Son-in-law | Furrier | Italy |
| 27 | Mildred Mugranz | 4 | Grand-daughter | — | Ohio |
| 28 | Frances Marie Mugranz | 1 | Grand-daughter | — | Ohio |
| 29 | Julius Zimmerman | 57 | Head | Chef | Germany |
| 30 | Mary Zimmerman | 51 | Wife | — | Germany |
| 31 | Arlee Zimmerman | 27 | Daughter | Tool Clerk | Ohio |
| 32 | Julia Zimmerman | 25 | Daughter | Book-K-Typist | Ohio |
| 33 | Julius Jr. Zimmerman | 23 | Son | Painter-Spray | Ohio |
| 34 | George Zimmerman | 21 | Son | Shipping Clerk | Ohio |
| 35 | Mary Zimmerman THIS PERSON | 19 | Daughter | — | Ohio |
| 36 | Lois Zimmerman | 16 | Daughter | — | Ohio |
| 37 | Leo Zimmerman | 15 | Son | — | Ohio |
| 38 | Eloa Zimmerman | 4 | Daughter | — | Ohio |
| 39 | Elizabeth Weeks | 31 | Head | Inspector | Pennsylvania |
| 40 | Cyril Du Sell | 26 | Head | Inspect. | Illinois |
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)