JH
John Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kent-County, Michigan
Our Model Tree links this John Hoffman across the 1920, 1930 and 1940 US Censuses in Kent-County, Michigan (XGBoost, ~Confirmed), with identified parents Herman & Jennie — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Netherlands
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kent-County, Michigan |
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Netherlands |
| 1935 Residence (City) | Grand Rapids |
| 1935 Residence (County) | Kent |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Runs sanding machine |
| Industry | Wood work manuf. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 476 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Netherlands |
| Birthplace (normalized) | netherlands |
| Occupation | Runs Sanding Machine |
| Township / Ward | Grand Rapids |
| Est. Birth Year | ~1909 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marie Hoffman | Daughter | — | 9 | ~1931 |
| John Hoffman | Head | — | 31 | ~1909 |
| John De Cook | Other | — | 35 | ~1905 |
| Madeline Hoffman | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Kent, Michigan
Son, age 12
Kent, Michigan · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Netherlands |
| Year of Immigration | 1900 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Netherlands |
| Mother's Birthplace | Netherlands |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Birthplace (normalized) | netherlands |
1930
Kent, Michigan
Son, age 22
Kent, Michigan · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Netherlands |
| Naturalization Status | Alien |
| Year of Immigration | 1910 |
| Father's Birthplace | Netherlands |
| Mother's Birthplace | Netherlands |
| Occupation | Sander |
| Industry | Furniture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Dutch |
| Birth Country | Netherlands |
| Birthplace (normalized) | netherlands |
1940
Kent-County, Michigan
Head, age 31
Kent-County, Michigan · implied b. ~1909 — 4 household members
| Surname | Hoffman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Netherlands |
| 1935 Residence (City) | Grand Rapids |
| 1935 Residence (County) | Kent |
| Naturalization Status | Alien |
| Occupation | Runs sanding machine |
| Industry | Wood work manuf. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 476 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Netherlands |
| Birthplace (normalized) | netherlands |
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 Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Hoffman (~0.92 confidence) and mother Jennie Hoffman (~0.92 confidence) and mother Fanny Hoffman (~0.92 confidence) and father Herman Hoffman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herman Hoffman
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Jennie Hoffman
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Fanny Hoffman
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Herman Hoffman
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hoffman
Head · 1940 · age 31 · b. ~1909 · 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 — Kent-County, Michigan
Open full size
1940 US Federal Census — Kent-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01899-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Broekschmidt | 12 | Son | — | Michigan |
| 42 | Gerald L. Broekschmidt | 7 | Son | — | Michigan |
| 43 | Lyle D. Downer | 41 | Head | Proprietor | Michigan |
| 44 | Lucille M. Downer | 37 | Wife | Clerk | Michigan |
| 45 | Lyle H. Downer | 8 | Son | — | Michigan |
| 46 | Helen Blake | 47 | Head | Proprietor | Michigan |
| 47 | Helen L. Blake | 19 | Daughter | Cashier | Michigan |
| 48 | James Haven | 33 | Head | Truck Driver | Michigan |
| 49 | Ann Haven | 29 | Wife | — | Wisconsin |
| 50 | Lorraine A. Haven | 10 | Daughter | — | Michigan |
| 51 | Joyce M. Haven | 6 | Daughter | — | Michigan |
| 52 | Mary J. Haven | 4 | Daughter | — | Michigan |
| 53 | Patricia Haven | 1 | Daughter | — | Michigan |
| 54 | Ray C. Conlon | 55 | Head | Project Supervisor | Michigan |
| 55 | Margaret Conlon | 41 | Wife | — | Michigan |
| 56 | Nicholas Hayes | 35 | Head | — | Michigan |
| 57 | Dorothy Hayes | 35 | Wife | — | Michigan |
| 58 | Clara L. Usher | 65 | Head | — | Ohio |
| 59 | Clifford C. Usher | 27 | Son | Soldier | Michigan |
| 60 | Margaret J. Usher | 24 | Daughter | Teacher | Michigan |
| 61 | Elizabeth Usher | 25 | Daughter | Housekeeper | Michigan |
| 62 | Clifford Usher | 17 | Son | Secretary | Illinois |
| 63 | Paul B. Usher | 11 | Son | — | Michigan |
| 64 | Frederick Miller | 61 | Head | — | Canada-Eng |
| 65 | Belle Miller | 60 | Wife | — | Michigan |
| 66 | Floyd Miller | 26 | Son | — | Michigan |
| 67 | Orville Miller | 22 | Son | Laborer | Michigan |
| 68 | Henry Stad | 69 | Head | — | Netherlands |
| 69 | Trientje Stad | 74 | Wife | — | Netherlands |
| 70 | Fredrick Stad | 37 | Son | Cleaning | Michigan |
| 71 | Rense Tanis | 77 | Head | — | Netherlands |
| 72 | Nellie Tanis | 72 | Wife | — | Netherlands |
| 73 | William C. Moss | 70 | Head | Barber | Michigan |
| 74 | Bernice S. Moss | 45 | Daughter | Casket Trimmer | Michigan |
| 75 | John Hoffman THIS PERSON | 31 | Head | Runs Sanding Machine | Netherlands |
| 76 | Madeline Hoffman | 28 | Wife | — | Michigan |
| 77 | Marie Hoffman | 9 | Daughter | — | Michigan |
| 78 | John De Cook | 35 | Brother-in-law | Decorating | Michigan |
| 79 | Frederick G. Thelke | 24 | Head | Pipe Fitter | Illinois |
| 80 | Wilma Thelke | 36 | Wife | — | Netherlands |
Related Census Records
Pedigree Summary
John
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)