JA
John Armstrong — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this John Armstrong across the 1910, 1920, 1930 and 1940 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 7-person household.
Age 56
b. ~1874
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 28 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Farmer |
| Industry | Truck |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Perry Township |
| Est. Birth Year | ~1874 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ella Armstrong | Daughter | — | 8 | ~1922 |
| Ruth Armstrong | Daughter | — | 17 | ~1913 |
| John Armstrong | Head | — | 56 | ~1874 |
| Elnora Kalchener | Other | — | 3 | ~1927 |
| Herschel Armstrong | Son | — | 23 | ~1907 |
| Carl Armstrong | Son | — | 19 | ~1911 |
| Ella Armstrong | Spouse | — | 46 | ~1884 |
Census Appearances
1910
Marion, Indiana
Head, age 35
Marion, Indiana · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 8 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Head, age 45
Marion, Indiana · implied b. ~1875
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Home farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 56
Marion, Indiana · implied b. ~1874 — 7 household members
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 28 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Truck |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Other, age 65
Marion-County, Indiana · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Perry |
| 1935 Residence (County) | Marion |
| Occupation | Farmer |
| Industry | Truck farm |
| Class of Worker | OA |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Armstrong
Head · 1930 · age 56 · b. ~1874 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
20 people indexed on this census page (ia:1930:indianacensus00reel616:0867)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Brandenburg | 3 | Son | — | Indiana |
| 2 | Alvie Leonard | 53 | Head | Farmer | Indiana |
| 3 | Lilly Leonard | 45 | Wife | — | Indiana |
| 4 | Vernice Leonard | 24 | Daughter | — | Indiana |
| 5 | Hester R. Leonard | 22 | Daughter | — | Indiana |
| 6 | John Hurt | 71 | Servant | Laborer | Kentucky |
| 7 | Samuel Hawk | 20 | Head | Laborer | Kentucky |
| 8 | Hettie Hawk | 18 | Wife | — | Kentucky |
| 9 | Gertrude Hawk | 0 | Daughter | — | Kentucky |
| 10 | Edward Chew | 52 | Head | Farmer | Indiana |
| 11 | Vesta Chew | 45 | Wife | — | Indiana |
| 12 | John Armstrong THIS PERSON | 56 | Head | Farmer | Indiana |
| 13 | Ella Armstrong | 46 | Wife | — | Indiana |
| 14 | Herschel Armstrong | 23 | Son | Order Clerk | Indiana |
| 15 | Carl V. Armstrong | 19 | Son | Laborer | Indiana |
| 16 | Ruth M. Armstrong | 17 | Daughter | — | Indiana |
| 17 | Ella M. Armstrong | 8 | Daughter | — | Indiana |
| 18 | Elnora Kalchener | 3 | Lodger | — | Indiana |
| 19 | Serrilda Demaree | 76 | Head | Farmer | Indiana |
| 20 | Yone Cooper | 54 | Head | Farmer | Holland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)