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Robert Zimmerman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Summit, Ohio
Our Model Tree links this Robert Zimmerman across the 1920 and 1930 US Censuses in Summit, Ohio (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 10-person household.
Age 18
b. ~1912
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Summit, Ohio |
| Surname | Zimmerman |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Laborer |
| Industry | Rubber factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Akron City |
| Est. Birth Year | ~1912 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Paul Zimmerman | Son | — | 16 | ~1914 |
| Harold Zimmerman | Son | — | 6 | ~1924 |
| Robert Zimmerman | Son | — | 18 | ~1912 |
| Walter Zimmerman | Son | — | 11 | ~1919 |
| John Zimmerman | Son | — | 14 | ~1916 |
| William Zimmerman | Son | — | 22 | ~1908 |
| Dora Zimmerman | Spouse | — | 71 | ~1859 |
| Alice Zimmerman | Daughter | — | 11 | ~1919 |
| Eloise Zimmerman | Daughter | — | 8 | ~1922 |
| William Zimmerman | Head | — | 72 | ~1858 |
Census Appearances
1920
Summit, Ohio
Son, age 8
Summit, Ohio · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Summit, Ohio
Son, age 18
Summit, Ohio · implied b. ~1912 — 10 household members
| Surname | Zimmerman |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Rubber factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Robert Zimmerman across 2 US Census years (1920 and 1930) in Summit, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Zimmerman
Son · 1930 · age 18 · b. ~1912 · Ohio
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Sibling
Harold Zimmerman
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Zimmerman
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Zimmerman
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Zimmerman
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Zimmerman
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Zimmerman
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Zimmerman
Sibling · 1930 · age 11
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
1930 US Federal Census — Summit, Ohio
Open full size
1930 US Federal Census — Summit, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1876:0344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter Keith | 54 | Head | Manager | Scotland |
| 2 | Jessie M. Keith | 48 | Wife | — | Scotland |
| 3 | Anna G. Keith | 24 | Daughter | Stenographer | Scotland |
| 4 | Peter Keith | 19 | Son | Salesman | Scotland |
| 5 | Thomas H. Keith | 15 | Son | — | Ohio |
| 6 | Oscar J. Lindstrom | 24 | Head | Carpenter | Sweden |
| 7 | Selma L. Lindstrom | 21 | Wife | — | Sweden |
| 8 | Bert O. Lindstrom | 2 | Son | — | Ohio |
| 9 | Beatrice L. Lindstrom | 0 | Daughter | — | Ohio |
| 10 | Joseph J. Hunter | 39 | Head | Painter | Georgia |
| 11 | Florence M. Hunter | 35 | Wife | — | Georgia |
| 12 | J. J. Jr. Hunter | 13 | Son | — | Georgia |
| 13 | Louise F. Hunter | 11 | Daughter | — | Georgia |
| 14 | Ernest E. Thomas | 33 | Head | Salesman | Pennsylvania |
| 15 | Hermon T. Thomas | 33 | Wife | Stenographer | New Hampshire |
| 16 | William F. Zimmerman | 72 | Head | — | Germany |
| 17 | Dora H. Zimmerman | 71 | Wife | — | Germany |
| 18 | William H. Zimmerman | 22 | Son | Laborer | Ohio |
| 19 | Robert E. Zimmerman THIS PERSON | 18 | Son | Laborer | Ohio |
| 20 | Paul E. Zimmerman | 16 | Son | — | Ohio |
| 21 | John J. Zimmerman | 14 | Son | — | Ohio |
| 22 | Walter L. Zimmerman | 11 | Son | — | Ohio |
| 23 | Alice P. Zimmerman | 11 | Daughter | — | Ohio |
| 24 | Eloise M. Zimmerman | 8 | Daughter | — | Ohio |
| 25 | Harold W. Zimmerman | 6 | Son | — | Ohio |
| 26 | William E. Slayton | 34 | Head | Inspector | North Carolina |
| 27 | Minnie E. Slayton | 26 | Wife | — | New York |
| 28 | William O. Slayton | 5 | Son | — | Ohio |
| 29 | Joyce E. Slayton | 2 | Daughter | — | Ohio |
| 30 | Clarence N. White | 23 | Head | Manager | Ohio |
| 31 | Violet M. White | 23 | Wife | — | Ohio |
| 32 | Eloise L. White | 4 | Daughter | — | Ohio |
| 33 | Robert L. White | 1 | Son | — | Ohio |
| 34 | Verlyn L. Full | 15 | Boarder | — | Ohio |
| 35 | Marvin J. Kern | 30 | Head | — | Georgia |
| 36 | Maye S. Kern | 21 | Wife | — | Georgia |
| 37 | James C. Kern | 7 | Son | — | Georgia |
| 38 | Mildred L. Kern | 3 | Daughter | — | Georgia |
| 39 | Gomer A. Mahan | 41 | Head | Tire Builder | Ohio |
| 40 | Kenneth D. Mahan | 16 | Son | — | Indiana |
| 41 | Helen S. Mahan | 30 | Wife | — | Indiana |
| 42 | Robert E. Mahan | 15 | Son | — | Indiana |
| 43 | Martha C. Mahan | 7 | Daughter | — | Indiana |
| 44 | Ruth E. Mahan | 4 | Daughter | — | Ohio |
| 45 | John J. Karack | 59 | Head | Watchman | Hungary |
| 46 | Catherine M. Karack | 57 | Wife | — | Hungary |
| 47 | Joseph P. Karack | 23 | Son | Bus Driver | Ohio |
| 48 | Frank G. Karack | 22 | Son | Laborer | Ohio |
| 49 | Mary M. Karack | 18 | Daughter | Shoe Maker | Ohio |
| 50 | Harold B. Grindle | 27 | Head | Shipping Clerk | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)