HJ
Harry Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Story-County, Iowa
Our Model Tree links this Harry Johnston across the 1930 and 1940 US Censuses in Story-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Story-County, Iowa |
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ames city |
| Additional Details | |
| Occupation | Medical Doctor |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Medical Doctor |
| Township / Ward | Ames City |
| Est. Birth Year | ~1888 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Joan Johnston | Daughter | — | 12 | ~1928 |
| Harry Johnston | Head | — | 52 | ~1888 |
| Theodora Johnston | Son | — | 19 | ~1921 |
| Verona Johnston | Spouse | — | 49 | ~1891 |
| Kay Johnston | Daughter | — | 7 | ~1933 |
| Junior Johnston | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Story, Iowa
Head, age 42
Story, Iowa · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 31 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Physician |
| Industry | College Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Story-County, Iowa
Head, age 52
Story-County, Iowa · implied b. ~1888 — 6 household members
| Surname | Johnston |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ames city |
| Occupation | Medical Doctor |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 Harry Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Johnston
Head · 1940 · age 52 · b. ~1888 · 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 — Story-County, Iowa
Open full size
1940 US Federal Census — Story-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01206-00370)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Hansen | 5 | Daughter | — | Iowa |
| 2 | Gaylord Spriggs | 40 | Head | Druggist | Illinois |
| 3 | Irma Spriggs | 36 | Wife | — | Iowa |
| 4 | Olaf Anderson | 58 | Head | Real Estate | Iowa |
| 5 | Edna Anderson | 54 | Wife | — | Iowa |
| 6 | Betty Anderson | 18 | Daughter | — | Iowa |
| 7 | Merton Anderson | 23 | Son | Rodman | Iowa |
| 8 | Wilber R. Morgries|Margries | 40 | Head | Employee | Iowa |
| 9 | Annie Melva Morgries|Margries | 41 | Wife | — | Iowa |
| 10 | Dorothy Mae Morgries|Margries | 20 | Daughter | Student | Iowa |
| 11 | Verne Hein | 45 | Head | Electrical Engr. | Iowa |
| 12 | Harriett Hein | 48 | Wife | — | Iowa |
| 13 | Charlotte Hein | 19 | Daughter | — | Iowa |
| 14 | Harriett Hein | 17 | Daughter | — | Iowa |
| 15 | Kathleen Hein | 16 | Daughter | — | Iowa |
| 16 | George Goodman | 35 | Head | Teacher | Wyoming |
| 17 | Ursula Goodman | 29 | Wife | — | Oklahoma |
| 18 | Eugene H. Wilson | 30 | Head | Asst. Librarian | Arkansas |
| 19 | Jane Wilson | 28 | Wife | — | Iowa |
| 20 | David Wilson | 0 | Son | — | Iowa |
| 21 | Virginia Lincoln | 24 | Head | Prof Household Equip. | Iowa |
| 22 | Thomas Finch | 60 | Head | Engineer | England |
| 23 | Ethel Finch | 59 | Wife | — | England |
| 24 | Arthur Moore | 42 | Head | Mechanic | Iowa |
| 25 | Hannah Moore | 36 | Wife | — | Iowa |
| 26 | James Moore | 17 | Son | — | Iowa |
| 27 | Edward Moore | 13 | Son | — | Iowa |
| 28 | Darrell Moore | 10 | Son | — | Iowa |
| 29 | Edwin Mcwherter | 26 | Lodger | Truck Driver | Iowa |
| 30 | Harry Johnston THIS PERSON | 52 | Head | Medical Doctor | Iowa |
| 31 | Verona Johnston | 49 | Wife | — | Iowa |
| 32 | Theodora Johnston | 19 | Son | — | Illinois |
| 33 | Junior Johnston | 17 | Daughter | — | Iowa |
| 34 | Joan Johnston | 12 | Daughter | — | Iowa |
| 35 | Kay Johnston | 7 | Daughter | — | Iowa |
| 36 | Leslie Vaudee | 30 | Head | Research Asst. | Iowa |
| 37 | Barbara Vaudee | 31 | Wife | — | Iowa |
| 38 | Marion Hatfield | 25 | Nephew | Bookkeeper | Iowa |
| 39 | Philip Leyendecker | 26 | Head | Half Time Instr. Botany | New Mexico |
| 40 | Hivana Leyendecker | 23 | Wife | — | New Mexico |
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)