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Elizabeth Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this Elizabeth Armstrong across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed), with identified parents Adam & Bonnie — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Armstrong |
| Given Name | Elizabeth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers City |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Three Rivers City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Armstrong | Daughter | — | 22 | ~1918 |
| Adam Armstrong | Head | — | 63 | ~1877 |
| Bonnie Armstrong | Spouse | — | 52 | ~1888 |
| Lawrence Armstrong | Son | — | 34 | ~1906 |
Census Appearances
1920
St Joseph, …
Other, age 2
St Joseph, Michigan · implied b. ~1918 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Elizabeth A |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
St Joseph, …
Daughter, age 12
St Joseph, Michigan · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Elizabeth H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Joseph-County, Michigan
Daughter, age 22
St.-Joseph-County, Michigan · implied b. ~1918 — 4 household members
| Surname | Armstrong |
| Given Name | Elizabeth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Three Rivers City |
| 1935 Residence (County) | St. Joseph |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Elizabeth Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adam Armstrong (~0.92 confidence) and mother Bonnie Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adam Armstrong
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Bonnie Armstrong
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Armstrong
Daughter · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Lawrence Armstrong
Sibling · 1940 · age 34
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.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angulo E. G. Lyra | 55 | Head | Catholic Priest | Italy |
| 2 | Ernestine Leduc | 55 | Servant | — | England |
| 3 | J. Louis Mann | 27 | Head | Owner | Michigan |
| 4 | Bertha E. Mann | 28 | Wife | — | Michigan |
| 5 | Lauramae Brian | 17 | Lodger | Housekeeper | Michigan |
| 6 | Adam E. Armstrong | 63 | Head | Pres. & Gen. Mgr. | Illinois |
| 7 | Bonnie Armstrong | 52 | Wife | — | Michigan |
| 8 | Lawrence R. Armstrong | 34 | Son | Engineer | Michigan |
| 9 | Elizabeth H. Armstrong THIS PERSON | 22 | Daughter | — | Michigan |
| 10 | Harold A. Bodley | 26 | Head | Experimental | Michigan |
| 11 | Margaret C. Bodley | 24 | Wife | — | Michigan |
| 12 | Bonnie E. Bodley | 1 | Daughter | — | California |
| 13 | Charles B. Robbins | 73 | Head | Owner | Illinois |
| 14 | Mary K. Robbins | 72 | Wife | — | Michigan |
| 15 | Grace Kauffman | 52 | Head | Owner | Illinois |
| 16 | Alice E. Kite | 28 | Lodger | Teacher | Michigan |
| 17 | William L. Luck | 55 | Head | Tool Maker | Virginia |
| 18 | Birdie N. Luck | 52 | Wife | — | Pennsylvania |
| 19 | Anna May Luck | 29 | Daughter | Teacher | Michigan |
| 20 | Mary Ellen Luck | 20 | Daughter | — | Michigan |
| 21 | Margaret Ann Luck | 13 | Daughter | — | Michigan |
| 22 | Edith H. Sneil | 45 | Head | Stenographer | Michigan |
| 23 | Lawrence Sneil | 17 | Son | Delivery Boy | Washington |
| 24 | Robert E. Sneil | 15 | Son | Delivery Boy | Maryland |
| 25 | Fred Allen Sneil | 12 | Son | — | Illinois |
| 26 | Marjorie E. Sneil | 10 | Daughter | — | Illinois |
| 27 | Dorothy A. Sneil | 7 | Daughter | — | Illinois |
| 28 | Arlin R. Cox | 70 | Head | — | Michigan |
| 29 | Raymond B. Linsley | 56 | Head | President | Michigan |
| 30 | Venice B. Linsley | 42 | Wife | — | Michigan |
| 31 | Edward B. Linsley | 14 | Son | — | Michigan |
| 32 | Buryle Bitting | 30 | Head | Billier | Michigan |
| 33 | Mildred E. Bitting | 27 | Wife | Gen. Office | W. Virginia |
| 34 | Sandra L. Bitting | 3 | Daughter | — | Michigan |
| 35 | Edgar L. Culp | 22 | Head | Owner | Indiana |
| 36 | Margaret J. Culp | 20 | Wife | — | Michigan |
| 37 | Arthur Harsen | 47 | Head | Salesman | Michigan |
| 38 | Mollie Harsen | 52 | Wife | — | Michigan |
| 39 | Henry B. Neighbours | 48 | Head | — | Tennessee |
| 40 | Marguerite Neighbours | 49 | Wife | — | Michigan |
Search for Elizabeth Armstrong
All Elizabeth Armstrong Census Records Discover Armstrong Family TreePedigree Summary
Elizabeth + 1 sibling
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)