JP
John Post — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Charles-County, Missouri
Our Model Tree links this John Post across the 1920, 1930 and 1940 US Censuses in St.-Charles-County, Missouri (XGBoost, ~Confirmed), with identified parents Frank & Anna — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Charles-County, Missouri |
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Dardenne |
| 1935 Residence (County) | St. Charles |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Dardenne |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Anthony Post | Son | — | 27 | ~1913 |
| John Post | Son | — | 22 | ~1918 |
| Anna Post | Spouse | — | 66 | ~1874 |
| Frank Post | Head | — | 69 | ~1871 |
| Johanna Post | Daughter | — | 18 | ~1922 |
Census Appearances
1920
St Charles, …
Son, age 2
St Charles, Missouri · implied b. ~1918 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Charles, …
Son, age 12
St Charles, Missouri · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Charles-County, Missouri
Son, age 22
St.-Charles-County, Missouri · implied b. ~1918 — 5 household members
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Dardenne |
| 1935 Residence (County) | St. Charles |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Post (~0.92 confidence) and mother Anna Post (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Post
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Anna Post
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Post
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
Johanna Post
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Post
Sibling · 1940 · age 27
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 — St.-Charles-County, Missouri
Open full size
1940 US Federal Census — St.-Charles-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02145-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank D. Post | 69 | Head | Farmer | Missouri |
| 42 | Anna Post | 66 | Wife | — | Missouri |
| 43 | Anthony Post | 27 | Son | — | Missouri |
| 44 | John Post THIS PERSON | 22 | Son | — | Missouri |
| 45 | Johanna Post | 18 | Daughter | Farm Laborer | Missouri |
| 46 | Frank J. Jr. Post | 35 | Head | Mechanic | Missouri |
| 47 | Adeline Post | 33 | Wife | — | Missouri |
| 48 | Arlene Post | 6 | Daughter | — | Missouri |
| 49 | Delores Post | 4 | Daughter | — | Missouri |
| 50 | Oliver D. Bredfort | 35 | Head | Laborer | Missouri |
| 51 | Willie Bredfort | 75 | Father | — | Missouri |
| 52 | Eliza Bredfort | 69 | Mother | — | Missouri |
| 53 | Lydia Bredfort | 41 | Sister | — | Missouri |
| 54 | Mary Bredfort | 34 | Sister | — | Missouri |
| 55 | Casper J. Pesson | 69 | Head | Farmer | Missouri |
| 56 | Ella Pesson | 52 | Wife | — | Missouri |
| 57 | Albert Pesson | 15 | Son | — | Missouri |
| 58 | Otto Kurz | 39 | Head | Tool And Die Maker | Missouri |
| 59 | Norma Kurz | 44 | Wife | — | Wisconsin |
| 60 | Henry D. Post | 29 | Head | Farmer | Missouri |
| 61 | Irene Post | 24 | Wife | — | Missouri |
| 62 | Oscar D. Schierbaum | 65 | Head | Farmer | Missouri |
| 63 | Katie Schierbaum | 54 | Wife | — | Missouri |
| 64 | Mary Schierbaum | 28 | Daughter | Professional Player | Missouri |
| 65 | Alvia Schierbaum | 22 | Daughter | Waitress | Missouri |
| 66 | Donnie Schierbaum | 18 | Son | — | Missouri |
| 67 | Carrie Hoelkelmann | 49 | Head | Farmer | Missouri |
| 68 | Edward Hoelkelmann | 21 | Son | — | Missouri |
| 69 | Vernon Hoelkelmann | 19 | Son | — | Missouri |
| 70 | Anthony Hoelkelmann | 57 | Head | Farmer | Missouri |
| 71 | Hilda F. Hoelkelmann | 57 | Wife | — | Missouri |
| 72 | Aranth Hoelkelmann | 20 | Son | — | Missouri |
| 73 | Daniel D. Bryan | 64 | Head | Farm Laborer | Missouri |
| 74 | William D. Blake | 57 | Head | Farmer | Missouri |
| 75 | William Jr. Blake | 19 | Son | Laborer | Missouri |
| 76 | Edward Blake | 17 | Son | New Worker | Missouri |
| 77 | Arthur Blake | 12 | Son | — | Missouri |
| 78 | Richard Blake | 11 | Son | — | Missouri |
| 79 | Brother Looting | None | M | Farming | — |
Pedigree Summary
John + 2 siblings
Gen 1 · 2 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)