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Thomas Armstrong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Thomas Armstrong across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 10-person household.
Age 16
b. ~1924
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati city |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | new worker |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | New Worker |
| Township / Ward | Cincinnati City |
| Est. Birth Year | ~1924 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| George Armstrong | Son | — | 22 | ~1918 |
| Helen Armstrong | Other | — | 19 | ~1921 |
| Arthur Armstrong | Son | — | 21 | ~1919 |
| Everett James | Other | — | 5 | ~1935 |
| Evelyn Armstrong | Other | — | 1 | ~1939 |
| Thomas Armstrong | Son | — | 16 | ~1924 |
| Evelyn Armstrong | Daughter | — | 18 | ~1922 |
| Herbert Armstrong | Son | — | 20 | ~1920 |
| Amelia Armstrong | Spouse | — | 47 | ~1893 |
| Eileen Armstrong | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Hamilton, Ohio
Son, age 6
Hamilton, Ohio · implied b. ~1924 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 16
Hamilton-County, Ohio · implied b. ~1924 — 10 household members
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati city |
| 1935 Residence (County) | Hamilton |
| Occupation | new worker |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Armstrong
Son · 1940 · age 16 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
George Armstrong
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Armstrong
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Armstrong
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Armstrong
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Armstrong
Sibling · 1940 · age 20
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
25 people indexed on this census page (nara:1940:m-t0627-03202-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amelia M Armstrong | 47 | Wife | — | Ohio |
| 2 | George M Armstrong | 22 | Son | Scraper Hand | Ohio |
| 3 | Herbert L Armstrong | 20 | Son | New Worker | Ohio |
| 4 | Evelyn Armstrong | 18 | Daughter | — | Ohio |
| 5 | Thomas Armstrong THIS PERSON | 16 | Son | New Worker | Ohio |
| 6 | Eileen E Armstrong | 10 | Daughter | — | Ohio |
| 7 | Arthur L Armstrong | 21 | Son | Landscape Gardener | Ohio |
| 8 | Helen R Armstrong | 19 | Daughter in law | — | Ohio |
| 9 | Evelyn A Armstrong | 1 | Grand daughter | — | Ohio |
| 10 | Everett T James | 5 | Grand son | — | Ohio |
| 11 | August R Stockum | 55 | Head | Interior Decorator | Ohio |
| 12 | Edith M Stockum | 50 | Wife | — | Ohio |
| 13 | Frank Luebbert | 70 | Head | Park Laborer | Ohio |
| 14 | Frances B Luebbert | 71 | Wife | — | Ohio |
| 15 | Oscar L Cook | 42 | Head | Tool & Die Maker | Ohio |
| 16 | Stella Cook | 41 | Wife | — | Ohio |
| 17 | John Schaedle | 58 | Bro in law | — | Ohio |
| 18 | Emil Lahmer | 35 | Head | Sign Writer | Ohio |
| 19 | Mary M Lahmer | 32 | Wife | — | Ohio |
| 20 | Joseph B Lahmer | 10 | Son | — | Ohio |
| 21 | Margaret E Lahmer | 9 | daughter | — | Ohio |
| 22 | Catherine V Lahmer | 6 | daughter | — | Ohio |
| 23 | Emil Jr Lahmer | 4 | Son | — | Ohio |
| 24 | Henry Lahmer | 3 | Son | — | Ohio |
| 25 | Florence Lahmer | 0 | daughter | — | Ohio |
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)