JH
John Henry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Poweshiek-County, Iowa
Our Model Tree links this John Henry across the 1920, 1930 and 1940 US Censuses in Poweshiek-County, Iowa (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Poweshiek-County, Iowa |
| Surname | Henry |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Brooklyn Town |
| 1935 Residence (County) | Poweshiek |
| Additional Details | |
| Occupation | Laborer |
| Industry | Any Kind |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Brooklyn Town |
| Est. Birth Year | ~1914 |
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 Henry | Head | — | 57 | ~1883 |
| John Henry | Son | — | 26 | ~1914 |
| Mary Henry | Spouse | — | 64 | ~1876 |
Census Appearances
1920
Poweshiek, Iowa
Son, age 5
Poweshiek, Iowa · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henry |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Poweshiek, Iowa
Son, age 16
Poweshiek, Iowa · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henry |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Poweshiek-County, Iowa
Son, age 26
Poweshiek-County, Iowa · implied b. ~1914 — 3 household members
| Surname | Henry |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Brooklyn Town |
| 1935 Residence (County) | Poweshiek |
| Occupation | Laborer |
| Industry | Any Kind |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 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 Henry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Henry (~0.92 confidence) and mother Mary Henry (~0.92 confidence) and father John Henry (~0.92 confidence) and father John Henry (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Henry
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Henry
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
John Henry
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Henry
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Henry
Son · 1940 · age 26 · b. ~1914 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Poweshiek-County, Iowa
Open full size
1940 US Federal Census — Poweshiek-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01200-00025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter K Miles | 56 | Head | Proprietor | Wisconsin |
| 2 | Alice X Miles | 51 | Wife | — | Illinois |
| 3 | Charles B Chapman | 68 | Head | Proprietor | Michigan |
| 4 | Katherine O Chapman | 66 | Wife | — | Iowa |
| 5 | Harold Murphy | 31 | Head | Lineman | Iowa |
| 6 | Ora O Murphy | 27 | Wife | Kindergarten Teacher | Iowa |
| 7 | John W Newman | 52 | Head | Proprietor | Iowa |
| 8 | Nora R Newman | 50 | Wife | — | Iowa |
| 9 | James Newman | 23 | Son | Helper | Iowa |
| 10 | Jack Newman | 22 | Son | Helper | Iowa |
| 11 | Jackie Newman | 12 | Grandson | — | Iowa |
| 12 | Harold Smothers | 25 | Son-in-law | Helper | Iowa |
| 13 | Arlene A Smothers | 22 | Daughter | — | Iowa |
| 14 | Jesse Finley | 56 | Head | Farmer | Iowa |
| 15 | Odessa Finley | 42 | Wife | — | Iowa |
| 16 | Robert Finley | 18 | Son | Cleaner | California |
| 17 | Mary Irene Finley | 15 | Daughter | — | Missouri |
| 18 | Margaret Finley | 14 | Daughter | — | Iowa |
| 19 | Bernard G Collum | 64 | Head | Manager | Iowa |
| 20 | Teresa R Collum | 65 | Wife | — | Iowa |
| 21 | Rachael E Wheeler | 68 | Head | — | Iowa |
| 22 | Wayne Talbott | 26 | Grandson | Attendant | Nebraska |
| 23 | Hazel A Talbott | 26 | Wife | — | Colorado |
| 24 | Robert J Talbott | 4 | Grandson | — | Iowa |
| 25 | Wanita Talbott | 2 | Granddaughter | — | Iowa |
| 26 | Carolyn Talbott | 1 | Granddaughter | — | Iowa |
| 27 | Joseph Donahue | 92 | Head | — | Canada |
| 28 | Sadie O Donahue | 60 | Daughter | — | Iowa |
| 29 | Sarah E Creps | 76 | Head | — | Iowa |
| 30 | Maria A Bunnell | 79 | Sister | — | Iowa |
| 31 | John E Henry | 57 | Head | Farmer | Iowa |
| 32 | Mary Henry | 64 | Wife | — | Iowa |
| 33 | John Jr. Henry THIS PERSON | 26 | Son | Laborer | Iowa |
| 34 | Fred A Sigel | 29 | Head | Truck Driver | Iowa |
| 35 | Lena R Sigel | 27 | Wife | — | Iowa |
| 36 | John Patten | 43 | Head | Road Laborer | Iowa |
| 37 | Stella A Patten | 35 | Wife | — | Missouri |
| 38 | Doraline Patten | 18 | Daughter | — | Iowa |
| 39 | Wayne Patten | 17 | Son | School Work | Iowa |
| 40 | Norma Patten | 15 | Daughter | — | Iowa |
Pedigree Summary
John
Gen 1 · 4 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)