JZ
John Zimmerman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Joseph, Indiana
Our Model Tree links this John Zimmerman across the 1920, 1930 and 1940 US Censuses in St Joseph, Indiana (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 6-person household.
Age 63
b. ~1867
Male
Head
Born: Ohio
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Joseph, Indiana |
| Surname | Zimmerman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Grocer |
| Industry | Own Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Grocer |
| Township / Ward | South Bend City |
| Est. Birth Year | ~1867 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Zimmerman | Head | — | 63 | ~1867 |
| Caroline Zimmerman | Other | — | 60 | ~1870 |
| Arnold Zimmerman | Son | — | 32 | ~1898 |
| Rudolph Zimmerman | Son | — | 37 | ~1893 |
| Oscar Zimmerman | Son | — | 23 | ~1907 |
| Edwin Zimmerman | Son | — | 29 | ~1901 |
Census Appearances
1920
St Joseph, …
Head, age 52
St Joseph, Indiana · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Occupation | grocer |
| Industry | grocery |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
St Joseph, …
Head, age 63
St Joseph, Indiana · implied b. ~1867 — 6 household members
| Surname | Zimmerman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ohio |
| Occupation | Grocer |
| Industry | Own Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Elkhart-County, Indiana
Other, age 73
Elkhart-County, Indiana · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | John |
| Relationship to Head | father |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Elkhart |
| Occupation | none |
| Class of Worker | none |
| Income (1939) | 0 |
| Highest Grade | 3 |
| 1935 Residence | Indiana |
| 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 John Zimmerman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Zimmerman
Head · 1930 · age 63 · b. ~1867 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Joseph, Indiana
Open full size
1930 US Federal Census — St Joseph, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel626:1116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Berniece Roose | 7 | Daughter | — | Indiana |
| 2 | Otto Fender | 31 | Head | Gear Cutter | Indiana |
| 3 | Edward Fender | 68 | Father | — | Germany |
| 4 | Mary Fender | 68 | Mother | — | Germany |
| 5 | Wilbur Smith | 47 | Head | Bench Work | Michigan |
| 6 | Grace Smith | 49 | Wife-H | — | Indiana |
| 7 | Harold Smith | 21 | Son | Repair | Indiana |
| 8 | Esther Smith | 15 | Daughter | — | Indiana |
| 9 | James Fortin | 24 | Son-in-law | Repairman | Indiana |
| 10 | Belle Fortin | 24 | Daughter | — | Sweden |
| 11 | Annabelle Fortin | 4 | Granddaughter | — | Indiana |
| 12 | John Zimmerman THIS PERSON | 63 | Head | Grocer | Ohio |
| 13 | Caroline Zimmerman | 60 | Wife-H | — | Germany |
| 14 | Rudolph Zimmerman | 37 | Son | Salesman | Indiana |
| 15 | Arnold Zimmerman | 32 | Son | Trucker | Indiana |
| 16 | Edwin Zimmerman | 29 | Son | Electrician | Indiana |
| 17 | Oscar Zimmerman | 23 | Son | Salesman | Indiana |
| 18 | William Foley | 59 | Head | Stone Cutter | Pennsylvania |
| 19 | Cora E. Foley | 45 | Wife-H | — | Indiana |
| 20 | Harriet Hammond | 66 | Mother-in-law | — | Michigan |
| 21 | Albert G. Wadel | 38 | Head | Electrician | Michigan |
| 22 | Edith Wadel | 39 | Wife-H | — | England |
| 23 | Elizabeth Wadel | 9 | Daughter | — | Indiana |
| 24 | John D. Martin | 50 | Head | — | Germany |
| 25 | Othell D. Martin | 49 | Wife-H | — | Indiana |
| 26 | Arthur Reynolds | 47 | Head | Physician | Illinois |
| 27 | Lou Reynolds | 41 | Wife-H | — | Indiana |
| 28 | Robert Reynolds | 8 | Daughter | — | Indiana |
| 29 | Edward Hensler | 48 | Head | Body Maker | Indiana |
| 30 | Rose Hensler | 35 | Wife-H | — | Indiana |
| 31 | Frank H. Snow | 39 | Head | Switch Operator | Indiana |
| 32 | Josephine Snow | 33 | Wife-H | General Office | Indiana |
| 33 | Betty J. Wellman | 10 | Stepdaughter | — | Indiana |
| 34 | William Fugate | 29 | Head | Foreman | Indiana |
| 35 | Hazel Fugate | 23 | Wife-H | — | Indiana |
| 36 | Pierce Hoffman | 36 | Head | Proprietor | Texas |
| 37 | Velma Hoffman | 16 | Daughter | — | Indiana |
| 38 | Evelyn Hoffman | 7 | Daughter | — | Indiana |
| 39 | Fred T. Chape | 33 | Head | Mechanic | Wisconsin |
| 40 | Hulda Chape | 31 | Wife-H | — | Sweden |
| 41 | Irene Chape | 11 | Daughter | — | Wisconsin |
| 42 | Fred H. Schrop | 49 | Head | Credit Manager | Indiana |
| 43 | Sarah J. Schrop | 80 | Mother | — | Ohio |
| 44 | George W. Schrop | 14 | Son | — | Indiana |
| 45 | James R. Schrop | 9 | Son | — | Indiana |
| 46 | Earl Wade | 35 | Head | Manufacturer | Indiana |
| 47 | Eloise Wade | 33 | Wife-H | Seamstress | Indiana |
| 48 | Ethel M. Wade | 16 | Daughter | — | Indiana |
| 49 | Walter Wade | 14 | Son | — | Indiana |
| 50 | Kenneth Wade | 11 | Son | — | Indiana |
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)