JH
John Heller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Heller across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Heller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Coremaker |
| Industry | Iron |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1225 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Coremaker |
| Township / Ward | Detroit |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Heller | Daughter | — | 21 | ~1919 |
| John Heller | Son | — | 23 | ~1917 |
| Helen Heller | Daughter | — | 19 | ~1921 |
| Joseph Heller | Son | — | 15 | ~1925 |
| Mary Heller | Head | — | 43 | ~1897 |
| George Horvath | Other | — | 51 | ~1889 |
Census Appearances
1930
Wayne, Michigan
Son, age 12
Wayne, Michigan · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holler |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 23
Wayne-County, Michigan · implied b. ~1917 — 6 household members
| Surname | Heller |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Occupation | Coremaker |
| Industry | Iron |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1225 |
| Highest Grade | H-4 |
| 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 John Heller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Heller
Son · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Mary Heller
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Heller
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Heller
Sibling · 1940 · age 15
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01874-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leon L. Douglas | 31 | Head | Laborer | South Carolina |
| 42 | Mattie Douglas | 26 | Wife | — | Georgia |
| 43 | Bessie M. Douglas | 7 | Daughter | — | Michigan |
| 44 | Robert W. Douglas | 5 | Son | — | Michigan |
| 45 | Leon Jr. Douglas | 4 | Son | — | Michigan |
| 46 | Freddie L. Douglas | 2 | Daughter | — | Michigan |
| 47 | Clarence R. Douglas | 0 | Son | — | Michigan |
| 48 | Aaron Watson | 65 | Roomer | — | Georgia |
| 49 | Mike Solnai | 55 | Head | Proprietor | Hungary |
| 50 | Mary Solnai | 64 | Wife | — | Hungary |
| 51 | Eleanor Miller | 23 | Step-daughter | Packer | Michigan |
| 52 | Gjuro|Gjord Ilich | 19 | Roomer | Baker | Jugoslavia |
| 53 | Joseph Horvath | 37 | Head | Salvage Repairman | Michigan |
| 54 | — | None | — | — | — |
| 55 | Mary Heller | 43 | Head | — | Hungary |
| 56 | John Heller THIS PERSON | 23 | Son | Coremaker | Michigan |
| 57 | Mary Heller | 21 | Daughter | Book Keeper | Michigan |
| 58 | Helen Heller | 19 | Daughter | Receptionist | Michigan |
| 59 | Joseph Heller | 15 | Son | — | Michigan |
| 60 | George Horvath | 51 | Roomer | Laborer | Hungary |
| 61 | Margaret Dohanyos | 50 | Head | — | Hungary |
| 62 | John Dohanyos | 18 | Son | Laborer | Michigan |
| 63 | Elvira Dohanyos | 15 | Daughter | — | Michigan |
| 64 | John Kolabar | 48 | Roomer | Laborer | Hungary |
| 65 | Mike Kozoren | 50 | Roomer | Laborer | Turkey |
| 66 | Charles Szabo | 31 | Head | Laborer | New York |
| 67 | John Szabo | 61 | Father | — | Hungary |
| 68 | Mary G. Szabo | 25 | Sister | Receptionist | Michigan |
| 69 | Kalman Szabo | 27 | Head | Assembler | Michigan |
| 70 | Zora Szabo | 20 | Wife | — | Pennsylvania |
| 71 | Sarah Mamula | 48 | Mother-in-law | Housework | Jugoslavia |
| 72 | Arthur Nesbitt | 36 | Brother-in-law | Maintenance | North Dakota |
| 73 | Martha Nesbitt | 28 | Sister-in-law | — | Ohio |
| 74 | John W. Nesbitt | 10 | Nephew | — | Ohio |
| 75 | Louis Bolash | 28 | Head | Paint Carrier | Pennsylvania |
| 76 | Julia Bolash | 21 | Wife | — | Virginia |
| 77 | Otille Nameth | 18 | Sister-in-law | Housework | Virginia |
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)