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Thomas Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Schuyler-County, Illinois
Our Model Tree links this Thomas Armstrong across the 1910, 1920, 1930 and 1940 US Censuses in Schuyler-County, Illinois (XGBoost, ~Confirmed), with identified parents Robert & Grace — first a head (b.~1898), then head of a 7-person household.
Age 42
b. ~1898
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Schuyler-County, Illinois |
| Surname | Armstrong |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Oakland township |
| 1935 Residence (County) | Schuyler |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farmer |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Oakland Township |
| Est. Birth Year | ~1898 |
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 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Wilma Armstrong | Daughter | — | 17 | ~1923 |
| Roberta Armstrong | Daughter | — | 9 | ~1931 |
| Madeline Armstrong | Daughter | — | 5 | ~1935 |
| Thomas Armstrong | Head | — | 42 | ~1898 |
| Geo Armstrong | Son | — | 11 | ~1929 |
| Giles Armstrong | Son | — | 14 | ~1926 |
| Tula Armstrong | Spouse | — | 36 | ~1904 |
Census Appearances
1910
Schuyler, Illinois
Son, age 12
Schuyler, Illinois · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Schuyler, Illinois
Son, age 22
Schuyler, Illinois · implied b. ~1898 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Schuyler, Illinois
Head, age 32
Schuyler, Illinois · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Schuyler-County, Illinois
Head, age 42
Schuyler-County, Illinois · implied b. ~1898 — 7 household members
| Surname | Armstrong |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Oakland township |
| 1935 Residence (County) | Schuyler |
| Occupation | Farmer |
| Industry | Farmer |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Thomas Armstrong across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Armstrong (~0.92 confidence) and mother Grace Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Armstrong
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Grace Armstrong
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Armstrong
Head · 1940 · age 42 · b. ~1898 · Illinois
★ 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 — Schuyler-County, Illinois
Open full size
1940 US Federal Census — Schuyler-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00888-00278)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd L. Day | 48 | Head | Farmer | Illinois |
| 2 | Elizabeth Day | 52 | Wife | — | Illinois |
| 3 | Paul Day | 21 | Son | Farmer | Illinois |
| 4 | Marjorie Day | 19 | Daughter | Waitress | Illinois |
| 5 | Arthur H. Harper | 30 | Head | Farmer | Illinois |
| 6 | Blanche L. Harper | 26 | Wife | — | Illinois |
| 7 | Gary E. Harper | 2 | Son | — | Illinois |
| 8 | Crosher E. Chodsey | 43 | Head | Farmer | Illinois |
| 9 | M. Dorothy Chodsey | 36 | Wife | — | Illinois |
| 10 | Marion C. Chodsey | 10 | Daughter | — | Illinois |
| 11 | Francis M. Chodsey | 8 | Daughter | — | Illinois |
| 12 | Lelair Mitchell | 28 | Head | Substitute Mail Carrier | Illinois |
| 13 | Lois Mitchell | 26 | Wife | — | Illinois |
| 14 | Susan Mitchell | 5 | Daughter | — | Illinois |
| 15 | Larry Mitchell | 3 | Son | — | Illinois |
| 16 | Edwin Fear | 65 | Head | Carpenter | Illinois |
| 17 | Anna Fear | 60 | Wife | — | Illinois |
| 18 | Hilda Fear | 34 | Daughter | — | Michigan |
| 19 | Merle Fear | 32 | Son | Laborer Project | Illinois |
| 20 | Raleigh Fear | 27 | Daughter | — | Illinois |
| 21 | Paul Scott | 49 | Head | Farmer | Illinois |
| 22 | Katherine Scott | 51 | Wife | — | Illinois |
| 23 | Harry H. Mcmillen | 42 | Head | Farmer | Illinois |
| 24 | Iva Mcmillen | 43 | Wife | — | Illinois |
| 25 | Billy Gene Mcmillen | 12 | Son | — | Illinois |
| 26 | Norman L. Mcmillen | 7 | Son | — | Illinois |
| 27 | Paris E. Shockley | 52 | Head | Laborer | Illinois |
| 28 | Lada Shockley | 50 | Wife | — | Illinois |
| 29 | Victor W. Shockley | 20 | Son | Farm Laborer | Illinois |
| 30 | Guy L. Spiker | 51 | Head | Farmer | Illinois |
| 31 | Dorothy Mae Spiker | 45 | Wife | — | Illinois |
| 32 | Thomas J. Armstrong THIS PERSON | 42 | Head | Farmer | Illinois |
| 33 | Tula Armstrong | 36 | Wife | — | Illinois |
| 34 | Wilma D. Armstrong | 17 | Daughter | — | Illinois |
| 35 | Giles J. Armstrong | 14 | Son | Farmer | Illinois |
| 36 | Geo. M. Armstrong | 11 | Son | — | Illinois |
| 37 | Roberta J. Armstrong | 9 | Daughter | — | Illinois |
| 38 | Madeline Armstrong | 5 | Daughter | — | Illinois |
| 39 | D. Samuel Spiker | 47 | Head | Farmer | Illinois |
| 40 | Mary E. Spiker | 45 | Wife | — | Illinois |
Related Census Records
Pedigree Summary
Thomas
Gen 1 · 2 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)