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Robert Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Robert Zimmerman across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Harry & Marie — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Tool maker |
| Industry | Cash Register |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Tool Maker |
| Township / Ward | Dayton |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Harry Zimmerman | Head | — | 52 | ~1888 |
| Carl Zimmerman | Son | — | 15 | ~1925 |
| Robert Zimmerman | Son | — | 26 | ~1914 |
| Marie Zimmerman | Spouse | — | 49 | ~1891 |
| Mary Zimmerman | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Ohio
Son, age 6
Montgomery, Ohio · implied b. ~1914 — 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 | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 16
Montgomery, Ohio · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 26
Montgomery-County, Ohio · implied b. ~1914 — 5 household members
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton |
| 1935 Residence (County) | Montgomery |
| Occupation | Tool maker |
| Industry | Cash Register |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1500 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Zimmerman (~0.92 confidence) and mother Marie Zimmerman (~0.92 confidence) and mother Valeria Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Zimmerman
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Marie Zimmerman
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Valeria Zimmerman
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Zimmerman
Son · 1940 · age 26 · b. ~1914 · Ohio
★ You are viewing this record
Sibling
Carl Zimmerman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary 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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03253-00214)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marilyn J Rosenwertz | 16 | Daughter | — | Indiana |
| 42 | Isadore Rosensweet | 65 | Head | Proprietor | Russia |
| 43 | Clara S Rosensweet | 62 | Wife | — | Russia |
| 44 | Alvin Rosensweet | 24 | Son | Sports Writer | Ohio |
| 45 | Henry C Dye | 53 | Head | Editing | Ohio |
| 46 | Nell Dye | 53 | Wife | — | Ohio |
| 47 | Daniel Samuelson | 44 | Head | Proprietor | Russia |
| 48 | Jessie Q Samuelson | 37 | Wife | Bookkeeper | England |
| 49 | Marilyn Samuelson | 7 | Daughter | — | Illinois |
| 50 | Allen H Samuelson | 4 | Son | — | Illinois |
| 51 | Harry Zimmerman | 52 | Head | Editor | Ohio |
| 52 | Marie S Zimmerman | 49 | Wife | — | Ohio |
| 53 | Robert Zimmerman THIS PERSON | 26 | Son | Tool Maker | Ohio |
| 54 | Mary J Zimmerman | 21 | Daughter | Saleslady | Ohio |
| 55 | Carl Zimmerman | 15 | Son | — | Ohio |
| 56 | Jennie Evone | 72 | Head | — | Ohio |
| 57 | Olive E Sullivan | 44 | Daughter | — | Missouri |
| 58 | Charles S Rosensweet | 42 | Head | Insurance Agent | Ohio |
| 59 | Mae Rosensweet | 41 | Wife | — | Ohio |
| 60 | Robert Rosensweet | 7 | Son | — | Ohio |
| 61 | Jennie Goldzwig | 77 | Mother in Law | — | Russia |
| 62 | David Portney | 32 | Head | Salesman | New York |
| 63 | Sophie D Portney | 27 | Wife | Saleslady | Ohio |
| 64 | Gerald L Portney | 2 | Son | — | Ohio |
| 65 | Joseph Belshone | 55 | Father in Law | — | Poland |
| 66 | Reuben B Belshone | 23 | Brother in Law | — | Ohio |
| 67 | Maurice F Hoagland | 44 | Head | Insurance Agent | Pennsylvania |
| 68 | Nellie R Hoagland | 49 | Wife | — | Pennsylvania |
| 69 | Martha Hoagland | 14 | Daughter | — | Ohio |
| 70 | John H Schraibman | 40 | Head | Salesman | Russia |
| 71 | Cecila D Schraibman | 36 | Wife | — | Russia |
| 72 | Daniel Schraibman | 7 | Son | — | Ohio |
| 73 | Paul Schraibman | 2 | Son | — | Ohio |
| 74 | Alex S Lebowicz | 43 | Head | Manager | Ohio |
| 75 | Esther Lebowicz | 43 | Wife | — | Ohio |
| 76 | Lewis A Lebowicz | 17 | Son | — | Ohio |
| 77 | Bennett J Lebowicz | 11 | Son | — | Ohio |
| 78 | Hilary Beigler | 34 | Head | Finisher | Kentucky |
| 79 | Ella M Beigler | 34 | Wife | — | Kentucky |
| 80 | Emma L Beigler | 9 | Daughter | — | Kentucky |
Related Census Records
Pedigree Summary
Robert + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)