RZ
Robert Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Robert Zimmerman across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents George & George — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | general office |
| Industry | lumber retail |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | C-3 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | General Office |
| Township / Ward | Dearborn |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Robert Zimmerman | Head | — | 30 | ~1910 |
| Marilyn Zimmerman | Daughter | — | 7 | ~1933 |
| Gertrude Zimmerman | Spouse | — | 28 | ~1912 |
| Lester Zimmerman | Other | — | 63 | ~1877 |
| Barbara Zimmerman | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 20
Wayne, Michigan · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 30
Wayne-County, Michigan · implied b. ~1910 — 5 household members
| Surname | Zimmerman |
| Given Name | Robert |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | general office |
| Industry | lumber retail |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1500 |
| Highest Grade | C-3 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 George Zimmerman (~0.92 confidence) and father George Zimmerman (~0.92 confidence) and mother Mabel Zimmerman (~0.92 confidence) and mother Mabel Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Zimmerman
b. ~1887
Source father
● Household
· direct · ~0.92
Father
George Zimmerman
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mabel Zimmerman
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mabel Zimmerman
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Zimmerman
Head · 1940 · age 30 · b. ~1910 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01825-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donna Mae Graubner | 1 | daughter | — | Michigan |
| 42 | Earl Kern | 45 | head | Dentist | Michigan |
| 43 | Gladys Kern | 42 | wife | — | Vermont |
| 44 | Earl Kern | 13 | son | — | Michigan |
| 45 | Paul Kern | 7 | son | — | Michigan |
| 46 | Sylvia Ann Kern | 4 | daughter | — | Michigan |
| 47 | Gertrude Leavy | 22 | maid | Servant | Michigan |
| 48 | — | None | — | — | — |
| 49 | Henry Burdens | 67 | head | Physician | Michigan |
| 50 | Ella Burdens | 66 | wife | — | Michigan |
| 51 | Helen Burdens | 31 | daughter | Musician | Michigan |
| 52 | Harry Pittenger | 54 | head | Purchasing Agent | Michigan |
| 53 | Anna Pittenger | 52 | wife | — | Michigan |
| 54 | Maynard Pittenger | 26 | son | Chemist | Michigan |
| 55 | Harriett Pittenger | 18 | daughter | Bookkeeper | Michigan |
| 56 | Clinton Cramer | 43 | head | Mechanical Engineer | Iowa |
| 57 | Emily Cramer | 41 | wife | — | Pennsylvania |
| 58 | William Cramer | 11 | son | — | Michigan |
| 59 | Gertrude Cramer | 5 | daughter | — | Michigan |
| 60 | Samuel Cramer | 2 | son | — | Michigan |
| 61 | Robert Zimmerman THIS PERSON | 30 | head | General Office | Michigan |
| 62 | Gertrude Zimmerman | 28 | wife | — | Michigan |
| 63 | Marilyn Zimmerman | 7 | daughter | — | Michigan |
| 64 | Barbara Zimmerman | 5 | daughter | — | Michigan |
| 65 | Lester Zimmerman | 63 | uncle | — | Michigan |
| 66 | Maude Barnum | 59 | head | Manager | Michigan |
| 67 | Lois Atkinson | 64 | lodger | — | South Carolina |
| 68 | John R. Atkinson | 67 | lodger | Production | South Carolina |
| 69 | Rose Horvatic | 22 | lodger | Attendant | Michigan |
| 70 | William Chulps | 39 | lodger | Carpenter | Virginia |
| 71 | Fred Stafford | 44 | lodger | Laborer | Canada-English |
| 72 | Iletta Stafford | 37 | lodger | Manager | Canada-English |
| 73 | Rosalie C. Yost | 36 | head | — | Michigan |
| 74 | Dorothy Yost | 16 | daughter | — | Michigan |
| 75 | Irene Yost | 15 | daughter | — | Michigan |
| 76 | Lucille Yost | 12 | daughter | — | Michigan |
| 77 | Rosemary Yost | 8 | daughter | — | Michigan |
| 78 | Edward Yost | 3 | son | — | Michigan |
| 79 | Daniel Yost | 0 | son | — | Michigan |
| 80 | Frank W. Murrell | 44 | head | Sewing Machine Adjuster | Kansas |
Pedigree Summary
Robert
Gen 1 · 4 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)