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Robert Zimmerman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Morrison-County, Minnesota
Our Model Tree links this Robert Zimmerman across the 1930 and 1940 US Censuses in Morrison-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Morrison-County, Minnesota |
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Morrison |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Pike Creek Twp |
| Est. Birth Year | ~1928 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Doris Zimmerman | Daughter | — | 8 | ~1932 |
| Jerome Zimmerman | Son | — | ~1940 | |
| Sophia Zimmerman | Spouse | — | 31 | ~1909 |
| Robert Zimmerman | Son | — | 12 | ~1928 |
| John Zimmerman | Son | — | 2 | ~1938 |
| Donald Zimmerman | Son | — | 11 | ~1929 |
| Joseph Zimmerman | Son | — | 6 | ~1934 |
| Shirley Zimmerman | Daughter | — | 4 | ~1936 |
| Albert Zimmerman | Head | — | 38 | ~1902 |
Census Appearances
1930
Morrison, Minnesota
Son, age 2
Morrison, Minnesota · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Morrison-County, Minnesota
Son, age 12
Morrison-County, Minnesota · implied b. ~1928 — 9 household members
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Morrison |
| Highest Grade | No 5 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Zimmerman
Son · 1940 · age 12 · b. ~1928 · Minnesota
★ You are viewing this record
Sibling
Joseph Zimmerman
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Zimmerman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Zimmerman
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Zimmerman
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Zimmerman
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Zimmerman
Sibling · 1940 · age 8
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 — Morrison-County, Minnesota
Open full size
1940 US Federal Census — Morrison-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01939-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Boose, Leo Jr. Boros | 15 | Son | — | Minnesota |
| 2 | Alex Ososki | 63 | Head | Section Hand | Wisconsin |
| 3 | Julia Ososki | 62 | Wife | — | Poland |
| 4 | Isabel Ososki | 28 | Daughter | — | Minnesota |
| 5 | Joseph Ososki | 26 | Son | Maintenance Man | Minnesota |
| 6 | Henry Ososki | 21 | Son | Maintenance Man | Minnesota |
| 7 | Henry Zywiolowski | 30 | Head | Farmer | Minnesota |
| 8 | Esther Zywiolowski | 24 | Wife | — | Minnesota |
| 9 | Eugene Zywiolowski | 2 | Son | — | Minnesota |
| 10 | Marlene Zywiolowski | 0 | Daughter | — | Minnesota |
| 11 | John Guitor | 56 | Head | Farmer | Minnesota |
| 12 | Frank Guitor | 27 | Son | Farm Labor | Minnesota |
| 13 | Harry Colgan | 43 | Head | Farmer | No. Ireland |
| 14 | Alice Colgan | 36 | Wife | — | Minnesota |
| 15 | Barbara Colgan | 2 | Daughter | — | Minnesota |
| 16 | Alex Domish | 75 | Head | — | Poland |
| 17 | Samuel Knopita | 28 | Head | Farmer | Minnesota |
| 18 | Frank Knopita | 70 | Father | Farm Labor | Poland |
| 19 | Paulina Knopita | 65 | Mother | — | Poland |
| 20 | Charles Kliber | 55 | Head | Farmer | Minnesota |
| 21 | Emma Kliber | 57 | Wife | — | Minnesota |
| 22 | Leo Kliber | 21 | Son | Farm Labor | Minnesota |
| 23 | Loretta Kliber | 17 | Daughter | — | Minnesota |
| 24 | Blaz Sorber | 84 | Father-in-law | — | Poland |
| 25 | Frank X. Bonik | 39 | Head | Farmer | Minnesota |
| 26 | Annie Bonik | 33 | Wife | — | Minnesota |
| 27 | Mary Ann Bonik | 3 | Daughter | — | Minnesota |
| 28 | Rose Loretta Bonik | 0 | Daughter | — | Minnesota |
| 29 | Albert Zimmerman | 38 | Head | Farmer | Minnesota |
| 30 | Sophia Zimmerman | 31 | Wife | — | Minnesota |
| 31 | Robert Zimmerman THIS PERSON | 12 | Son | — | Minnesota |
| 32 | Donald Zimmerman | 11 | Son | — | Minnesota |
| 33 | Doris Zimmerman | 8 | Daughter | — | Minnesota |
| 34 | Joseph Zimmerman | 6 | Son | — | Minnesota |
| 35 | Shirley Zimmerman | 4 | Daughter | — | Minnesota |
| 36 | John Zimmerman | 2 | Son | — | Minnesota |
| 37 | Jerome Zimmerman | 0 | Son | — | Minnesota |
| 38 | John F. Milozek | 76 | Head | Farmer | Germany |
| 39 | Mary Milozek | 68 | Wife | — | Germany |
| 40 | Martin Milozek | 37 | Son | Farm Labor | Minnesota |
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)