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Frank Armstrong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Frank Armstrong across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Armstrong |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | East St Louis |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Ivan Armstrong | Son | — | 16 | ~1924 |
| Frank Armstrong | Son | — | 13 | ~1927 |
| Melvin Armstrong | Head | — | 36 | ~1904 |
| Myrtle Armstrong | Daughter | — | 7 | ~1933 |
| Etta Armstrong | Spouse | — | 34 | ~1906 |
| Billy Armstrong | Son | — | 9 | ~1931 |
| Edward Armstrong | Son | — | 11 | ~1929 |
| Thomas Armstrong | Son | — | 5 | ~1935 |
Census Appearances
1930
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1928 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Clair-County, Illinois
Son, age 13
St.-Clair-County, Illinois · implied b. ~1927 — 8 household members
| Surname | Armstrong |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Frank Armstrong across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Armstrong
Son · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Billy Armstrong
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Armstrong
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myrtle Armstrong
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Armstrong
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Armstrong
Sibling · 1940 · age 11
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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00880-00879)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Bise | 48 | Head | Butcher | Kentucky |
| 2 | Mary Bise | 33 | Wife | — | Kentucky |
| 3 | Harry Jr. Bise | 16 | Son | — | Illinois |
| 4 | Jack Bise | 12 | Son | — | Illinois |
| 5 | Lucy Ogden | 73 | Lodger | — | Illinois |
| 6 | James Cummings | 37 | Head | Bricklayer | Illinois |
| 7 | Lela Cummings | 31 | Wife | — | Oklahoma |
| 8 | Auretta Cummings | 11 | Daughter | — | Illinois |
| 9 | Jimmy Cummings | 10 | Son | — | Illinois |
| 10 | Lucille Cummings | 8 | Daughter | — | Illinois |
| 11 | Roy Cummings | 6 | Son | — | Illinois |
| 12 | George Cummings | 4 | Son | — | Illinois |
| 13 | Arnold Thompson | 20 | Head | Paper Hanger | Illinois |
| 14 | Catherine Thompson | 18 | Wife | — | Illinois |
| 15 | Ethel Thompson | 41 | Head | — | Illinois |
| 16 | Ovel Cook | 32 | Head | Chauffeur | Illinois |
| 17 | Lola Cook | 28 | Wife | — | Illinois |
| 18 | Louis E. Haggard | 66 | Head | Switchman | Illinois |
| 19 | Ella Haggard | 55 | Wife | — | Illinois |
| 20 | William Gorbett | 25 | Nephew | Waiter | Illinois |
| 21 | Bernard Boos | 23 | Head | Clerk | Illinois |
| 22 | Rita Boos | 21 | Wife | — | Illinois |
| 23 | Peggy Ann Boos | 1 | Daughter | — | Illinois |
| 24 | Dewey Hogge | 42 | Head | Yard Clerk | Illinois |
| 25 | Leta Hogge | 35 | Wife | — | Illinois |
| 26 | Myrtle Hogge | 19 | Daughter | — | Michigan |
| 27 | Dewey Jr. Hogge | 14 | Son | — | Illinois |
| 28 | Marion Haggard | 59 | Head | Air Man | Illinois |
| 29 | Minnie Shidall | 56 | Sister | — | Illinois |
| 30 | Melvin Armstrong | 36 | Head | Laborer | Arkansas |
| 31 | Etta Armstrong | 34 | Wife | Maid | Missouri |
| 32 | Ivan Armstrong | 16 | Son | — | Missouri |
| 33 | Frank Armstrong THIS PERSON | 13 | Son | — | Missouri |
| 34 | Edward Armstrong | 11 | Son | — | Missouri |
| 35 | Billy Armstrong | 9 | Son | — | Illinois |
| 36 | Myrtle Armstrong | 7 | Daughter | — | Illinois |
| 37 | Thomas Armstrong | 5 | Son | — | Illinois |
| 38 | Ruth John | 32 | Head | Seamstress | Missouri |
| 39 | June John | 13 | Daughter | — | Illinois |
| 40 | Jimmie John | 10 | Son | — | Illinois |
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)