JP
John Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Des-Moines-County, Iowa
Our Model Tree links this John Parker across the 1920, 1930 and 1940 US Censuses in Des-Moines-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 3-person household.
Age 81
b. ~1859
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Des-Moines-County, Iowa |
| Surname | Parker |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 81 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Des Moines |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Union Township |
| Est. Birth Year | ~1859 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Parker | Head | — | 81 | ~1859 |
| Herbert Parker | Son | — | 41 | ~1899 |
| Mary Parker | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Des Moines, …
Head, age 61
Des Moines, Iowa · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Des Moines, …
Head, age 71
Des Moines, Iowa · implied b. ~1859 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Des-Moines-County, Iowa
Head, age 81
Des-Moines-County, Iowa · implied b. ~1859 — 3 household members
| Surname | Parker |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 81 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Union Township |
| 1935 Residence (County) | Des Moines |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Parker
Head · 1940 · age 81 · b. ~1859 · Iowa
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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 — Des-Moines-County, Iowa
Open full size
1940 US Federal Census — Des-Moines-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01156-01014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Crystal Hoverson | 6 | Daughter | — | Iowa |
| 42 | Clinton Hoverson | 3 | Son | — | Iowa |
| 43 | Paul B. Smith | 56 | Head | Farmer | Iowa |
| 44 | Emma M. Smith | 57 | Wife | — | Iowa |
| 45 | Richard M. Smith | 22 | Son | — | Iowa |
| 46 | Hazel A. Santi | 45 | Head | Farmer | Iowa |
| 47 | Paul J. Santi | 20 | Son | Labor | Iowa |
| 48 | Ruth L. Jaeger | 19 | Cousin | — | Iowa |
| 49 | Carl F. Guerling | 67 | Head | Farmer | Iowa |
| 50 | Sadie L. Guerling | 54 | Wife | — | Iowa |
| 51 | Louis C. Guerling | 31 | Son | — | Iowa |
| 52 | Hazel Guerling | 23 | Daughter | — | Iowa |
| 53 | Iraby Bode | 51 | Head | Farmer | Iowa |
| 54 | Nellie Bode | 46 | Wife | — | Iowa |
| 55 | Lester Henricky | 44 | Hired Hand | Labor | Iowa |
| 56 | William P. Guerling | 67 | Head | Farmer | Iowa |
| 57 | Clara Guerling | 65 | Wife | — | Iowa |
| 58 | Anna Burrus | 62 | Maid | — | Iowa |
| 59 | H. L. Given | 58 | Head | Farmer Clerk | Illinois |
| 60 | Ellen Given | 41 | Wife | — | Iowa |
| 61 | Hel S. Given | 23 | Son | — | Iowa |
| 62 | Bonnie L. Given | 15 | Daughter | — | Iowa |
| 63 | Everett R. Stamper | 41 | Head | Labor | Missouri |
| 64 | Mable A. Stamper | 36 | Wife | — | Iowa |
| 65 | Orin R. Stamper | 17 | Son | — | Iowa |
| 66 | James O. Stamper | 15 | Son | — | Iowa |
| 67 | Leo P. Stamper | 11 | Son | — | Iowa |
| 68 | Howard R. Stamper | 9 | Son | — | Iowa |
| 69 | Bessie Alma Stamper | 7 | Daughter | — | Iowa |
| 70 | Clara Mae Stamper | 5 | Daughter | — | Iowa |
| 71 | Harry E. Lakey | 47 | Head | Truck Driver | Illinois |
| 72 | Avil Lakey | 47 | Wife | — | Illinois |
| 73 | John Aden | 41 | Head | Farmer | Germany |
| 74 | Seni Aden | 40 | Wife | — | Germany |
| 75 | Son Aden | 12 | Son | — | Wisconsin |
| 76 | Delores Aden | 5 | Daughter | — | Iowa |
| 77 | Larry Aden | 3 | Son | — | Iowa |
| 78 | John Parker THIS PERSON | 81 | Head | — | Iowa |
| 79 | Mary Parker | 64 | Wife | — | Iowa |
| 80 | Herbert Parker | 41 | Son | Labor | 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)