JP
John Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Macomb-County, Michigan
Our Model Tree links this John Post across the 1930 and 1940 US Censuses in Macomb-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Male
Head
Born: Holland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macomb-County, Michigan |
| Surname | Post |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Holland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Brick Layer |
| Industry | Builder |
| Class of Worker | OA |
| Hours Worked | 13 |
| Income (1939) | 2100 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
| Occupation | Brick Layer |
| Township / Ward | Centerline City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Helene Post | Spouse | — | 42 | ~1898 |
| Dolores Post | Daughter | — | 12 | ~1928 |
| Margret Post | Daughter | — | 12 | ~1928 |
| John Post | Head | — | 50 | ~1890 |
| Mary Post | Daughter | — | 9 | ~1931 |
| Virginia Post | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Wayne, Michigan
Head, age 40
Wayne, Michigan · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Holland |
| Naturalization Status | First papers filed |
| Year of Immigration | 1914 |
| Age at First Marriage | 26 |
| Father's Birthplace | Holland |
| Mother's Birthplace | Holland |
| Occupation | Bricklayer |
| Industry | House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Dutch |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Veteran | No |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
1940
Macomb-County, Michigan
Head, age 50
Macomb-County, Michigan · implied b. ~1890 — 6 household members
| Surname | Post |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Holland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Occupation | Brick Layer |
| Industry | Builder |
| Class of Worker | OA |
| Hours Worked | 13 |
| Income (1939) | 2100 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth Country | Netherlands |
| Birthplace (normalized) | holland |
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 Post across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Post
Head · 1940 · age 50 · b. ~1890 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macomb-County, Michigan
Open full size
1940 US Federal Census — Macomb-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01782-00200)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leon Miller | 36 | Head | Machine Repair | Virginia |
| 2 | Rose M. Miller | 26 | Wife | 48 | Detroit |
| 3 | Paul Papp | 51 | Head | Body Plumber | Hungary |
| 4 | Susan Papp | 49 | Wife | — | Hungary |
| 5 | John S. Papp | 15 | Son | — | Ohio |
| 6 | Peter J. Desano | 27 | Head | Trimmer | Michigan |
| 7 | Sally S. Desano | 23 | Wife | Mounter | Michigan |
| 8 | Steve E. Rusian | 43 | Head | Loader | Illinois |
| 9 | Hazel G. Rusian | 41 | Wife | — | Michigan |
| 10 | Steven Jr. Rusian | 12 | Son | — | Michigan |
| 11 | Gladys M. Rusian | 10 | Daughter | — | Michigan |
| 12 | Adolph C. Groskins | 62 | Head | Salesman | Pennsylvania |
| 13 | Katherine Groskins | 36 | Wife | — | Pennsylvania |
| 14 | John A. Post THIS PERSON | 50 | Head | Brick Layer | Holland |
| 15 | Helene E. Post | 42 | Wife | — | Detroit |
| 16 | Dolores Post | 12 | Daughter | — | Michigan |
| 17 | Margret Post | 12 | Daughter | — | Michigan |
| 18 | Virginia Post | 10 | Daughter | — | Michigan |
| 19 | Mary M. Post | 9 | Daughter | — | Michigan |
| 20 | William H. Hoffman | 33 | Head | Die Maker | Germany |
| 21 | Hildagard Hoffman | 26 | Wife | — | Germany |
| 22 | Louise H. Hoffman | 9 | Daughter | — | Michigan |
| 23 | Ernest W. Hoffman | 8 | Son | — | Michigan |
| 24 | Alex Frankow | 45 | Head | Paint Repair | Russia |
| 25 | Mary Frankow | 36 | Wife | — | New York |
| 26 | Irene M. Frankow | 18 | Daughter | Waitress | Michigan |
| 27 | Edward A. Frankow | 16 | Son | — | Michigan |
| 28 | Dorothy Frankow | 14 | Daughter | — | Michigan |
| 29 | Alvin Frankow | 9 | Son | — | Michigan |
| 30 | Florence Frankow | 8 | Daughter | — | Michigan |
| 31 | Alice J. Frankow | 2 | Daughter | — | Michigan |
| 32 | William P. Daison | 29 | Head | Stock Foreman | Michigan |
| 33 | Vesta M. Daison | 25 | Wife | — | Michigan |
| 34 | Gottfrid Wahlbeck | 41 | Head | Handyman | Germany |
| 35 | Anna Wahlbeck | 38 | Wife | — | Germany |
| 36 | Ronald Foley | 33 | Head | Polisher | Michigan |
| 37 | Gladys Foley | 32 | Wife | — | Michigan |
| 38 | Betty J. Foley | 10 | Daughter | — | Michigan |
| 39 | Mildred Foley | 6 | Daughter | — | Michigan |
| 40 | Otto Wagner | 38 | Head | Plater | Michigan |
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)