JP
John Porter — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this John Porter across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 5-person household.
Age 64
b. ~1876
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Porter |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Mo Valley City |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Mo Valley City |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Anna Porter | Daughter | — | 9 | ~1931 |
| John Porter | Head | — | 64 | ~1876 |
| Samuel Porter | Son | — | 14 | ~1926 |
| Johnny Porter | Son | — | 17 | ~1923 |
| Mary Porter | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Harrison, Iowa
Head, age 42
Harrison, Iowa · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Boiler maker |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Year of Naturalization | M |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Head, age 54
Harrison, Iowa · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 31 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Illinois |
| Occupation | boiler maker |
| Industry | C. & N. W. shops |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 1000 |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Head, age 64
Harrison-County, Iowa · implied b. ~1876 — 5 household members
| Surname | Porter |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Mo Valley City |
| 1935 Residence (County) | Harrison |
| Highest Grade | 5 |
| 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 Porter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Porter
Head · 1940 · age 64 · b. ~1876 · 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 — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00540)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida May Allen | 56 | Wife | — | Nebraska |
| 42 | Fred Rex Allen | 39 | Head | Grooming Gate Man | Iowa |
| 43 | Alice E. Allen | 38 | Wife | — | Nebraska |
| 44 | John W. Allen | 14 | Son | — | Iowa |
| 45 | Raymond L. Allen | 12 | Son | — | Iowa |
| 46 | Frederick L. Allen | 10 | Son | — | Iowa |
| 47 | Merle R. Allen | 8 | Son | — | Iowa |
| 48 | Chris Icebold | 53 | Head | Carpenter | Iowa |
| 49 | Bella J. Icebold | 49 | Wife | — | Iowa |
| 50 | Raymond J. Salter | 33 | Head | Mail Messenger | Iowa |
| 51 | Violet Salter | 29 | Wife | — | Iowa |
| 52 | Duane Salter | 9 | Son | — | Iowa |
| 53 | Norman Salter | 6 | Son | — | Iowa |
| 54 | Jacqueline Salter | 2 | Daughter | — | Iowa |
| 55 | Loren E. Porter | 38 | Head | Laborer | Iowa |
| 56 | Millie M. Porter | 38 | Wife | — | Oregon |
| 57 | Henry Ray Porter | 18 | Son | — | Iowa |
| 58 | Lloyd H. Porter | 16 | Son | — | Iowa |
| 59 | Junior Porter | 13 | Son | — | Iowa |
| 60 | Joy Mae Porter | 11 | Daughter | — | Iowa |
| 61 | Robert D. Porter | 9 | Son | — | Iowa |
| 62 | Howard J. Porter | 6 | Son | — | Iowa |
| 63 | Inez V. Donnelson | 59 | Head | Maid | Iowa |
| 64 | Carl E. Donnelson | 21 | Son | — | Iowa |
| 65 | John W. Porter THIS PERSON | 64 | Head | — | Iowa |
| 66 | Mary Ann Porter | 54 | Wife | — | Iowa |
| 67 | Johnny W. Porter | 17 | Son | New Worker | Iowa |
| 68 | Samuel F. Porter | 14 | Son | New Worker | Iowa |
| 69 | Anna Marie Porter | 9 | Daughter | — | Iowa |
| 70 | Theron Wilson | 47 | Head | Section Work | Iowa |
| 71 | Edith Wilson | 45 | Wife | — | Iowa |
| 72 | Sara E. Remy | 74 | Head | — | Canada |
| 73 | Claude James E. Remy | 23 | Son | New Worker | Iowa |
| 74 | Alfred E. Anderson | 26 | Head | Salesman | Minnesota |
| 75 | Edna E. Anderson | 26 | Wife | — | Iowa |
| 76 | Robert P. Anderson | 6 | Son | — | Iowa |
| 77 | Beulah Anderson | 4 | Daughter | — | Iowa |
| 78 | Betty Lou Anderson | 2 | Daughter | — | Iowa |
| 79 | John F. Hand | 57 | Father-in-law | Paper Hanger | Texas |
| 80 | James A. Porter | 51 | Head | — | 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)