JP
John Post — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this John Post across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Meland Post | Head | — | 38 | ~1902 |
| Dale Post | Son | — | 19 | ~1921 |
| Gertrude Post | Spouse | — | 38 | ~1902 |
| Joyce Post | Daughter | — | 1 | ~1939 |
| John Post | Son | — | 17 | ~1923 |
| Gary Post | Son | — | 4 | ~1936 |
Census Appearances
1930
Polk, Iowa
Son, age 5
Polk, Iowa · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Post |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 17
Polk-County, Iowa · implied b. ~1923 — 6 household members
| Surname | Post |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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.
Show:
This person
Anchor record
John Post
Son · 1940 · age 17 · b. ~1923 · Iowa
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Sibling
Dale Post
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gary Post
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Post
Sibling · 1940 · age 1
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 — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01195-01120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Merle Jackson | 25 | Head | Truck Driver | Iowa |
| 2 | Juanita Jackson | 23 | Wife | — | Iowa |
| 3 | Lois Jackson | 2 | Daughter | — | Iowa |
| 4 | Clair Jackson | 27 | Head | Truck Driver | Iowa |
| 5 | Gertrude Jackson | 23 | Wife | Truck Driver | Iowa |
| 6 | Raymond Jackson | 2 | Son | — | Iowa |
| 7 | Betty Jackson | 0 | Daughter | — | Iowa |
| 8 | Eugene Jackson | 34 | Head | Truck Driver | Iowa |
| 9 | Ethel Jackson | 27 | Wife | — | Iowa |
| 10 | Robert Allen Jackson | 2 | Son | — | Iowa |
| 11 | Montrose Damonville | 47 | Head | Laborer | Iowa |
| 12 | Esther Damonville | 43 | Wife | — | Iowa |
| 13 | Elaine Damonville | 17 | Daughter | — | Iowa |
| 14 | Marshall Damonville | 15 | Son | — | Iowa |
| 15 | Robert Damonville | 13 | Son | — | Iowa |
| 16 | Carl Barker | 24 | Head | Auto Mech | Colorado |
| 17 | Marina Barker | 21 | Wife | — | Iowa |
| 18 | Joyce Barker | 3 | Daughter | — | Iowa |
| 19 | Wayne Johnson | 24 | Head | Night Watchman | Iowa |
| 20 | Dorothy Johnson | 19 | Wife | — | Iowa |
| 21 | Dale Johnson | 0 | Son | — | Iowa |
| 22 | Meland Post | 38 | Head | Chauffeur | Iowa |
| 23 | Gertrude Post | 38 | Wife | — | Illinois |
| 24 | Dale Post | 19 | Son | Clerical | Iowa |
| 25 | John Post THIS PERSON | 17 | Son | — | Iowa |
| 26 | Gary Post | 4 | Son | — | Iowa |
| 27 | Joyce Post | 1 | Daughter | — | Iowa |
| 28 | Harry Bodford | 66 | Head | Plasterer | Illinois |
| 29 | Myrtle M Bodford | 58 | Wife | — | Iowa |
| 30 | Leo Snyder | 20 | Boarder | Laborer | Iowa |
| 31 | Noble Doornshine | 52 | Head | Trucker | Kansas |
| 32 | Clarice Doornshine | 37 | Wife | Saleslady | Missouri |
| 33 | Harry Withers | 33 | Head | Truck Driver | Iowa |
| 34 | Minnie Withers | 33 | Wife | — | Iowa |
| 35 | Jean Withers | 12 | Son | — | Iowa |
| 36 | Richard Withers | 5 | Son | — | Iowa |
| 37 | Dominic Andreano | 25 | Head | Junior Clerk | Iowa |
| 38 | Minnie Andreano | 25 | Wife | — | Iowa |
| 39 | Elizabeth Andreano | 2 | Daughter | — | Iowa |
| 40 | Frank Andreano | 0 | Son | — | Iowa |
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)