HJ
Harold Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Poweshiek-County, Iowa
Our Model Tree links this Harold Jones across the 1920, 1930 and 1940 US Censuses in Poweshiek-County, Iowa (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Poweshiek-County, Iowa |
| Surname | Jones |
| Given Name | Harold D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Malcom City |
| 1935 Residence (County) | Poweshiek County |
| Additional Details | |
| Occupation | Day Laborer |
| Industry | Road worker |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 350 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Malcom City |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| John Jones | Head | — | 80 | ~1860 |
| Mavis Jones | Other | — | 20 | ~1920 |
| Harold Jones | Son | — | 29 | ~1911 |
| Amanda Jones | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Poweshiek, Iowa
Son, age 10
Poweshiek, Iowa · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Harold J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Poweshiek, Iowa
Son, age 20
Poweshiek, Iowa · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Poweshiek-County, Iowa
Son, age 29
Poweshiek-County, Iowa · implied b. ~1911 — 4 household members
| Surname | Jones |
| Given Name | Harold D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Malcom City |
| 1935 Residence (County) | Poweshiek County |
| Occupation | Day Laborer |
| Industry | Road worker |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 350 |
| Highest Grade | H-4 |
| 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 Harold Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jones (~0.92 confidence) and father John Jones (~0.92 confidence) and father John Jones (~0.92 confidence) and mother Amanda Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jones
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Jones
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Jones
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Amanda Jones
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Jones
Son · 1940 · age 29 · b. ~1911 · 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-t0627-01200-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Darwin B. Smith | 37 | Head | Auto Mechanic | Iowa |
| 2 | Edna Smith | 32 | Wife | — | Iowa |
| 3 | Norman J. Smith | 12 | Son | — | Iowa |
| 4 | Catherine N. Smith | 10 | Daughter | — | Iowa |
| 5 | Carolyn S. Smith | 8 | Daughter | — | Iowa |
| 6 | Geoff L. Smith | 5 | Daughter | — | Iowa |
| 7 | Carl O. Baltisberger | 37 | Head | Day Laborer | Iowa |
| 8 | Margaret P. Baltisberger | 33 | Wife | — | Iowa |
| 9 | James Humes | 55 | Head | Day Laborer | Kansas |
| 10 | May Humes | 50 | Wife | — | Iowa |
| 11 | Jackie Humes | 9 | Daughter | — | Iowa |
| 12 | John W. Jones | 80 | Head | — | Iowa |
| 13 | Amanda Jones | 66 | Wife | — | Sweden |
| 14 | Harold D. Jones THIS PERSON | 29 | Son | Day Laborer | Iowa |
| 15 | Mavis I. Jones | 20 | Daughter in Law | — | Kansas |
| 16 | Henry Hickman | 57 | Head | Farmer | Iowa |
| 17 | Nell Hickman | 60 | Wife | — | Iowa |
| 18 | Frank L. Krochnke | 47 | Head | Proprietor | Iowa |
| 19 | Donna B. Krochnke | 40 | Wife | — | Iowa |
| 20 | Catherine Seisler | 44 | Head | Librarian | Pennsylvania |
| 21 | Vallie M. Porter | 59 | Head | Proprietor | Iowa |
| 22 | James B. Porter | 64 | Son | Cafe | Iowa |
| 23 | Leslie D. Porter | 39 | Son | Waiter | Iowa |
| 24 | Charles A. Miller | 65 | Head | Proprietor | Iowa |
| 25 | Edna J. Miller | 56 | Wife | Proprietor | Iowa |
| 26 | John Schultz | 50 | Lodger | Carpenter | Iowa |
| 27 | Willard Currie | 46 | Head | Mechanic | Iowa |
| 28 | Orange F. Hall | 51 | Head | Day Laborer | Iowa |
| 29 | Halvor Larson | 40 | Head | Retail Meats | Norway |
| 30 | Gertrude E. Larson | 38 | Wife | — | Iowa |
| 31 | Hollis P. Larson | 19 | Son | Assistant | Iowa |
| 32 | Glen Winchell | 28 | Head | Truck Driver | Iowa |
| 33 | Opal S. Winchell | 28 | Wife | — | Iowa |
| 34 | Betty J. Winchell | 9 | Daughter | — | Iowa |
| 35 | Charles B. Winchell | 7 | Son | — | Iowa |
| 36 | Bobbie W. Winchell | 2 | Son | — | Iowa |
| 37 | William Otto | 67 | Head | — | Michigan |
| 38 | David Otto | 18 | Son | Day Laborer | Iowa |
| 39 | Willard J. Otto | 12 | Son | — | Iowa |
| 40 | Charles C. Bonawitz | 52 | Head | Barber Shop | Iowa |
Pedigree Summary
Harold
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)