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John Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Story-County, Iowa
Our Model Tree links this John Armstrong across the 1920, 1930 and 1940 US Censuses in Story-County, Iowa (XGBoost, ~Confirmed), with identified parents Emmet & Norma — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Story-County, Iowa |
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nevada City |
| 1935 Residence (County) | Story |
| Additional Details | |
| Occupation | Laborer |
| Industry | Common |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 968 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Nevada City |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Dean Armstrong | Daughter | — | 17 | ~1923 |
| Emmet Armstrong | Head | — | 65 | ~1875 |
| John Armstrong | Son | — | 36 | ~1904 |
| Anna Armstrong | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Story, Iowa
Son, age 15
Story, Iowa · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Story, Iowa
Son, age 25
Story, Iowa · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Truckfellow |
| Class of Worker | W |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Story-County, Iowa
Son, age 36
Story-County, Iowa · implied b. ~1904 — 4 household members
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Nevada City |
| 1935 Residence (County) | Story |
| Occupation | Laborer |
| Industry | Common |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 968 |
| 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 Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emmet Armstrong (~0.92 confidence) and mother Norma Armstrong (~0.92 confidence) and mother Anna Armstrong (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emmet Armstrong
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Norma Armstrong
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Anna Armstrong
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Armstrong
Son · 1940 · age 36 · b. ~1904 · Iowa
★ You are viewing this record
Sibling
Dean Armstrong
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01206-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora Wilson | 49 | Wife | Housewife | West Virginia |
| 2 | Clarence Burschwal | 45 | Head | Barber | Missouri |
| 3 | Ida Burschwal | 44 | Wife | Housewife | Missouri |
| 4 | Virginia Burschwal | 18 | Daughter | — | Iowa |
| 5 | Clarence Jr Burschwal | 16 | Son | Janitor | Iowa |
| 6 | E. P. Schindler | 41 | Head | Superintendent | Iowa |
| 7 | Dorothea Schindler | 32 | Wife | Housewife | Iowa |
| 8 | Susan Schindler | 5 | Daughter | — | Iowa |
| 9 | Sara Schindler | 2 | Daughter | — | Iowa |
| 10 | Fred Kahl | 66 | Head | Sexton | Iowa |
| 11 | Hermina Kahl | 59 | Wife | Housewife | Germany |
| 12 | Murray Kahl | 18 | Son | Soda Clerk | Iowa |
| 13 | Mabel Porter | 32 | Lodger | Clerk | Iowa |
| 14 | Chas H. Jackson | 39 | Head | Attendant & Owner | Iowa |
| 15 | Evelyn L. Jackson | 36 | Wife | Typist | South Dakota |
| 16 | Patricia Ann Jackson | 3 | Daughter | — | Iowa |
| 17 | Emmet Armstrong | 65 | Head | Postmaster | Iowa |
| 18 | Anna Armstrong | 63 | Wife | Housewife | Iowa |
| 19 | John Armstrong THIS PERSON | 36 | Son | Laborer | Iowa |
| 20 | Dean Armstrong | 17 | Daughter | — | Iowa |
| 21 | Edith Shugart | 70 | Head | Housework At Home | Illinois |
| 22 | Dorothy Newman | 22 | Roomer | Teacher | Iowa |
| 23 | Gail Belmondo | 22 | Roomer | Teacher | Iowa |
| 24 | Mildred Wolford | 28 | Roomer | Teacher | Iowa |
| 25 | Ralph Tipton | 47 | Head | Salesman | Iowa |
| 26 | Esther Tipton | 44 | Wife | Housewife | Iowa |
| 27 | Max Tipton | 14 | Son | — | Iowa |
| 28 | Evelyn Dooley | 21 | Head | Housewife | Iowa |
| 29 | James Dooley | 28 | Husband | Lineman | Missouri |
| 30 | James Jr Dooley | 3 | Son | — | Iowa |
| 31 | Patricia Dooley | 0 | Daughter | — | Iowa |
| 32 | Clyde Steward | 39 | Head | Merchant | Iowa |
| 33 | Grace Steward | 41 | Wife | Housewife | Iowa |
| 34 | Billy Ray Steward | 9 | Son | — | Iowa |
| 35 | Guy Hoel | 34 | Head | Operator | Iowa |
| 36 | Mary Hoel | 32 | Wife | Teacher | Iowa |
| 37 | L. M. Toms | 40 | Head | Farmer | Iowa |
| 38 | Margaret Toms | 31 | Wife | Clerk | Iowa |
| 39 | Howard Bullard | 29 | Head | Laborer | Iowa |
| 40 | Cleo Bullard | 30 | Wife | Housewife | Iowa |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)