EA
Elizabeth Armstrong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Elizabeth Armstrong across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1929 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Armstrong | Spouse | — | 44 | ~1896 |
| Robert Armstrong | Head | — | 46 | ~1894 |
| Katharine Armstrong | Daughter | — | 15 | ~1925 |
| Elizabeth Armstrong | Daughter | — | 11 | ~1929 |
| Martha Armstrong | Daughter | — | 17 | ~1923 |
| Eleanor Armstrong | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Marion, Indiana
Daughter, age 1
Marion, Indiana · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 11
Marion-County, Indiana · implied b. ~1929 — 6 household members
| Surname | Armstrong |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Armstrong
Daughter · 1940 · age 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Katharine Armstrong
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Armstrong
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Armstrong
Sibling · 1940 · age 13
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01131-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Blee | 3 | Son | — | Indiana |
| 42 | Grace Clapp | 23 | Maid | Maid | Tenn. |
| 43 | Karl Koons | 47 | Head | Physician | Indiana |
| 44 | Katharine Koons | 40 | Wife | — | Penn. |
| 45 | Elizabeth Koons | 12 | Daughter | — | Indiana |
| 46 | Katherine Koons | 7 | Daughter | — | Indiana |
| 47 | Karl Jr. Koons | 4 | Son | — | Indiana |
| 48 | B. G. Whethead | 58 | Head | Attorney | Indiana |
| 49 | Cora Whethead | 54 | Wife | — | Indiana |
| 50 | B. G. Jr. Whethead | 21 | Son | Salesman | Indiana |
| 51 | Robert Armstrong | 46 | Head | Attorney | Indiana |
| 52 | Ruth Armstrong | 44 | Wife | — | Indiana |
| 53 | Martha Armstrong | 17 | Daughter | — | Wash. D.C. |
| 54 | Katharine Armstrong | 15 | Daughter | — | Indiana |
| 55 | Eleanor Armstrong | 13 | Daughter | — | Indiana |
| 56 | Elizabeth Armstrong THIS PERSON | 11 | Daughter | — | Indiana |
| 57 | Richard Foltz | 37 | Head | Architect | Indiana |
| 58 | Georgia Foltz | 35 | Wife | — | Indiana |
| 59 | Barbara Foltz | 6 | Daughter | — | Indiana |
| 60 | Richard B Foltz | 4 | Son | — | Indiana |
| 61 | James Bingham | 52 | Head | Attorney | S. Dakota |
| 62 | Meredith Bingham | 32 | Wife | — | California |
| 63 | James Bingham | 2 | Son | — | Indiana |
| 64 | Fanny Nance | 60 | Maid | Maid | Kentucky |
| 65 | Garrett Browning | 43 | Head | Cashier | Indiana |
| 66 | Alice Browning | 35 | Wife | — | Indiana |
| 67 | Sue Ann Browning | 6 | Daughter | — | Indiana |
| 68 | Marthene Browning | 3 | Daughter | — | Indiana |
| 69 | James Browning | 2 | Son | — | Indiana |
| 70 | Gerald Gustafson | 40 | Head | Physician | Indiana |
| 71 | Nina Gustafson | 41 | Wife | — | Indiana |
| 72 | Gloria Gustafson | 7 | Daughter | — | Indiana |
| 73 | Emma Gustafson | 76 | Mother | — | Indiana |
| 74 | Barbara Fields | 19 | Maid | Maid | Kentucky |
| 75 | Ray Reynolds | 58 | Head | Treasurer | Ohio |
| 76 | Anna Reynolds | 55 | Wife | — | Indiana |
| 77 | Marcella Reynolds | 21 | Daughter | — | Indiana |
| 78 | Joan Reynolds | 14 | Daughter | — | Indiana |
| 79 | Howard Griffith | 56 | Head | Pres. | Indiana |
| 80 | Margaret Griffith | 41 | Wife | — | Ohio |
Search for Elizabeth Armstrong
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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)