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John Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vigo-County, Indiana
Our Model Tree links this John Armstrong across the 1920, 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed), with identified parents John & Jane — first a head (b.~1896), then head of a 3-person household.
Age 44
b. ~1896
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vigo-County, Indiana |
| Surname | Armstrong |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Terre Haute |
| 1935 Residence (County) | Vigo |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1914 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Miner |
| Township / Ward | Terre Haute |
| Est. Birth Year | ~1896 |
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 Armstrong | Head | — | 44 | ~1896 |
| John Armstrong | Son | — | 17 | ~1923 |
| Ollie Armstrong | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Vigo, Indiana
Son, age 23
Vigo, Indiana · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1930
Vigo, Indiana
Head, age 34
Vigo, Indiana · implied b. ~1896 — 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 | 34 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | loader |
| Industry | coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Vigo-County, Indiana
Head, age 44
Vigo-County, Indiana · implied b. ~1896 — 3 household members
| Surname | Armstrong |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Terre Haute |
| 1935 Residence (County) | Vigo |
| Naturalization Status | Naturalized |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1914 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 John Armstrong (~0.92 confidence) and mother Jane Armstrong (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
John Armstrong
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Jane Armstrong
b. ~1885
Source mother
● Household
· direct · ~0.6
This person
Anchor record
John Armstrong
Head · 1940 · age 44 · b. ~1896 · Indiana
★ 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 — Vigo-County, Indiana
Open full size
1940 US Federal Census — Vigo-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01104-00728)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Jappes | 17 | Head | New Worker | Indiana |
| 42 | Sherry Jappes | 15 | Son | New Worker | Indiana |
| 43 | David Jappes | 10 | Son | — | Indiana |
| 44 | Marjorie Jappes | 8 | Daughter | — | Indiana |
| 45 | Joan Jappes | 6 | Daughter | — | Indiana |
| 46 | Rachel Matthews | 78 | Head | — | Illinois |
| 47 | Lawrence Drake | 37 | Head | Bus Driver | Indiana |
| 48 | Ava D. Drake | 38 | Wife | — | Indiana |
| 49 | Thelbert Drake | 6 | Son | — | Indiana |
| 50 | John L. Armstrong THIS PERSON | 44 | Head | Miner | England |
| 51 | Ollie Armstrong | 37 | Wife | — | Indiana |
| 52 | John L. Jr. Armstrong | 17 | Son | — | Indiana |
| 53 | John H. Armstrong | 77 | Head | — | England |
| 54 | Ernest Armstrong | 51 | Son | Surveyor | Indiana |
| 55 | Nora Kennedy | 48 | Head | — | Indiana |
| 56 | Virginia Kennedy | 14 | Daughter | — | Indiana |
| 57 | Betty L. Kennedy | 10 | Daughter | — | Indiana |
| 58 | Paul Kennedy | 9 | Son | — | Indiana |
| 59 | Emil Kuecke | 50 | Head | Miner | Indiana |
| 60 | Robert Kuecke | 22 | Son | New Worker | Indiana |
| 61 | Rita Kuecke | 18 | Daughter | — | Indiana |
| 62 | Bruce Kuecke | 16 | Son | — | Indiana |
| 63 | Richard Kuecke | 15 | Son | — | Indiana |
| 64 | Walter Morten | 58 | Head | Grocer | Indiana |
| 65 | Clara Morten | 52 | Wife | Grocer | Indiana |
| 66 | Wayne Taylor | 24 | Head | Steel Mill Worker | Illinois |
| 67 | Catherine Taylor | 24 | Wife | Saleslady | Illinois |
| 68 | Ed Van Bibber | 59 | Head | Plasterer | Kentucky |
| 69 | David Van Bibber | 32 | Son | Accountant | Indiana |
| 70 | Virginia Van Bibber | 23 | Daughter | Assistant | Indiana |
| 71 | Ruth M. Van Bibber | 20 | Daughter | Typist | Indiana |
| 72 | Marie Lowery | 41 | Daughter | — | Indiana |
| 73 | Elaine Lowery | 12 | Daughter | — | Indiana |
| 74 | Black Hervende | 38 | Boarder | — | Algeria |
| 75 | Letha Owens | 41 | Head | Seamstress | Indiana |
| 76 | Harry Frye | 26 | Head | Musician | Indiana |
| 77 | Dorothy Frye | 24 | Wife | — | Indiana |
| 78 | Michael Reynolds | 28 | Lodger | Attendant | Indiana |
| 79 | Howard Dobbs | 43 | Head | Clergyman | Missouri |
| 80 | Elsie Dobbs | 43 | Wife | — | Pennsylvania |
Pedigree Summary
John
Gen 1 · 2 parents
~0.76
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)