EA
Elizabeth Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Elizabeth Armstrong across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Bruce & Price — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Maywood Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Comptometrist |
| Industry | Publishing |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 604 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Comptometrist |
| Township / Ward | Maywood Village |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Price Armstrong | Head | — | 54 | ~1886 |
| Elizabeth Armstrong | Daughter | — | 21 | ~1919 |
| Mary Armstrong | Spouse | — | 53 | ~1887 |
| Edith Madden | Other | — | 50 | ~1890 |
Census Appearances
1920
Cook, Illinois
Other, age
Cook, Illinois · implied b. ~1920 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Cook-County, Illinois
Daughter, age 21
Cook-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Maywood Village |
| 1935 Residence (County) | Cook |
| Occupation | Comptometrist |
| Industry | Publishing |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 604 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Bruce Armstrong (~0.92 confidence) and father Price Armstrong (~0.92 confidence) and mother Mary Armstrong (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bruce Armstrong
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Price Armstrong
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Armstrong
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Armstrong
Daughter · 1940 · age 21 · b. ~1919 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00787-00903)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ollie Crumback | 65 | Boarder | Clerk | Kansas |
| 42 | Price F. Armstrong | 54 | Head | Investigator | Indiana |
| 43 | Mary Armstrong | 53 | Wife | — | Illinois |
| 44 | Elizabeth Armstrong THIS PERSON | 21 | Daughter | Comptometrist | Colorado |
| 45 | Edith Madden | 50 | Lodger | — | Illinois |
| 46 | Arnold Kratzke | 48 | Head | Business Chauffeur | Wisconsin |
| 47 | Lillian Kratzke | 46 | Wife | — | Illinois |
| 48 | Riverdell Kratzke | 21 | Daughter | Typist | Illinois |
| 49 | Lois Kratzke | 16 | Daughter | — | Illinois |
| 50 | William Sonjer | 32 | Head | Service Clerk | Illinois |
| 51 | Leona Sonjer | 30 | Wife | — | Illinois |
| 52 | Robert Sonjer | 9 | Son | — | Illinois |
| 53 | Sam Stevens | 40 | Brother-in-law | Laborer | Kentucky |
| 54 | Jane Heybach | 54 | Head | — | Illinois |
| 55 | Joseph H. Kindell | 26 | Son-in-law | Armature Winder | Iowa |
| 56 | Mary J. Kindell | 26 | Daughter | — | Illinois |
| 57 | Joseph Jr. Kindell | 6 | Son | — | Illinois |
| 58 | Sidney Kibble | 48 | Head | Barber | Illinois |
| 59 | Ella Kibble | 44 | Wife | — | Illinois |
| 60 | Shirley M. Kibble | 13 | Daughter | — | Illinois |
| 61 | Joseph Alexander | 44 | Head | Mechanic | Illinois |
| 62 | Rosamond Alexander | 42 | Wife | — | Illinois |
| 63 | Joseph Alexander | 22 | Son | Shipping Clerk | Illinois |
| 64 | Lillian Alexander | 20 | Daughter | New Worker | Illinois |
| 65 | Lorraine Alexander | 18 | Daughter | Telephone Operator | Illinois |
| 66 | Eleanor Alexander | 15 | Daughter | — | Illinois |
| 67 | Aileen Alexander | 11 | Daughter | — | Illinois |
| 68 | Ottis Bender | 40 | Head | Proprietor Ice Cream Factory | Indiana |
| 69 | Marjory Bender | 40 | Wife | — | Illinois |
| 70 | James Bender | 11 | Son | — | Illinois |
| 71 | Robert Bender | 8 | Son | — | Illinois |
| 72 | Thomas Bender | 7 | Son | — | Illinois |
| 73 | Walter Rheinfels | 43 | Head | Supervisor | Illinois |
| 74 | Agnes Rheinfels | 42 | Wife | — | Illinois |
| 75 | Walter Jr. Rheinfels | 22 | Son | Landscape Gardener | Illinois |
| 76 | Robert Rheinfels | 20 | Son | Landscape Gardener | Illinois |
| 77 | Jesse Douglas | 26 | Head | Cleaner | Illinois |
| 78 | Estelle Douglas | 27 | Wife | — | Illinois |
| 79 | Robert Douglas | 3 | Son | — | Illinois |
| 80 | Nancy L. Douglas | 0 | Daughter | — | Illinois |
Search for Elizabeth Armstrong
All Elizabeth Armstrong Census Records Discover Armstrong Family TreePedigree Summary
Elizabeth
Gen 1 · 3 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)