HZ
Harry Zimmerman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Harry Zimmerman across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Herman & Herman — first a head (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Grinder |
| Industry | Automobile factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 701 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Grinder |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Patricia Zimmerman | Son | — | ~1940 | |
| Pearl Zimmerman | Spouse | — | 21 | ~1919 |
| Harry Zimmerman | Head | — | 23 | ~1917 |
Census Appearances
1920
Wayne, Michigan
Son, age 2
Wayne, Michigan · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 13
Wayne, Michigan · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Head, age 23
Wayne-County, Michigan · implied b. ~1917 — 3 household members
| Surname | Zimmerman |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Grinder |
| Industry | Automobile factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 701 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Harry Zimmerman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Zimmerman (~0.92 confidence) and father Herman Zimmerman (~0.92 confidence) and mother Julia Zimmerman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Zimmerman
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Herman Zimmerman
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Julia Zimmerman
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Zimmerman
Head · 1940 · age 23 · b. ~1917 · 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-t0627-01866-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bird Davis | 47 | Lodger | — | Michigan |
| 42 | John H. Gardner | 53 | Head | Printer | New Jersey |
| 43 | Mary Gardner | 48 | Wife | — | Canada-English |
| 44 | John Cooper | 43 | Head | Grinder | Kentucky |
| 45 | Lena Cooper | 44 | Wife | — | Kentucky |
| 46 | Peter P. Lio | 35 | Head | Knife Cutter | Iowa |
| 47 | Frances Lio | 29 | Wife | — | Pennsylvania |
| 48 | Peter P. Jr. Lio | 11 | Son | — | Michigan |
| 49 | Dale Pierce | 36 | Head | Grinder | Oklahoma |
| 50 | Lyla Pierce | 39 | Wife | — | Oklahoma |
| 51 | Lucille Pierce | 16 | Daughter | — | Tennessee |
| 52 | Gertrude Pierce | 12 | Daughter | — | Michigan |
| 53 | Frank Stone | 26 | Head | Assembly Line | Kentucky |
| 54 | Nell Stone | 23 | Wife | — | Kentucky |
| 55 | Edward Davidson | 11 | Step son | — | Michigan |
| 56 | Edward Gladish | 35 | Head | Truck Driver | Michigan |
| 57 | Theresa Gladish | 31 | Wife | — | Michigan |
| 58 | Edward Jr. Gladish | 13 | Son | — | Michigan |
| 59 | Richard Gladish | 12 | Son | — | Michigan |
| 60 | Matthew Gladish | 4 | Son | — | Michigan |
| 61 | Claster T. Vick | 44 | Head | Press Operator | Tennessee |
| 62 | Mary Vick | 41 | Wife | — | Tennessee |
| 63 | Robert Vick | 22 | Son | Assembly Line | Tennessee |
| 64 | Howard Vick | 20 | Son | Counter Man | Tennessee |
| 65 | Elizabeth Vick | 15 | Daughter | — | Michigan |
| 66 | Claster Jr. Vick | 13 | Son | — | Tennessee |
| 67 | Bela Vick | 7 | Daughter | — | Michigan |
| 68 | Edie Vick | 4 | Son | — | Michigan |
| 69 | Henry Thomas | 39 | Head | Barber | New York |
| 70 | Violet Thomas | 36 | Wife | — | Ohio |
| 71 | Reginald Thomas | 16 | Son | — | Michigan |
| 72 | Florence Thomas | 14 | Daughter | — | Michigan |
| 73 | Donald Thomas | 3 | Son | — | Michigan |
| 74 | Harry Zimmerman THIS PERSON | 23 | Head | Grinder | Michigan |
| 75 | Pearl Zimmerman | 21 | Wife | — | Michigan |
| 76 | Patricia Zimmerman | 0 | Son | — | Michigan |
| 77 | Morty Schmidt | 56 | Head | Truck Driver | Michigan |
| 78 | Rose Schmidt | 57 | Wife | — | Michigan |
| 79 | Gerhard Hoeft | 42 | Lodger | Metal Finisher | Michigan |
| 80 | John Mancik | 52 | Head | Assembly Line | Czechoslovakia |
Pedigree Summary
Harry
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)