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Charles Armstrong — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Charles Armstrong across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Charles & Mabel — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Armstrong |
| Given Name | Charles Allen |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Clerk |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 220 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Clerk |
| Township / Ward | Indianapolis |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Armstrong | Son | — | 21 | ~1919 |
| Charles Armstrong | Head | — | 48 | ~1892 |
| Mabel Armstrong | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Charles A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 21
Marion-County, Indiana · implied b. ~1919 — 3 household members
| Surname | Armstrong |
| Given Name | Charles Allen |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Clerk |
| Industry | Grocery |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 220 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Charles Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Armstrong (~0.92 confidence) and mother Mabel Armstrong (~0.92 confidence) and mother Mabel Armstrong (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Armstrong
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mabel Armstrong
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Mabel Armstrong
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Armstrong
Son · 1940 · age 21 · b. ~1919 · Indiana
★ 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 — 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-t0627-01122-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Bloom | 17 | Son | Clerk | Indiana |
| 2 | Mary Jean Bloom | 15 | daughter | — | Indiana |
| 3 | Dorothy Bloom | 13 | daughter | — | Indiana |
| 4 | Burrell Cranden|Crandon | 47 | Head | Brakeman | Illinois |
| 5 | Merle Cranden|Crandon | 39 | wife | — | Illinois |
| 6 | J. B. Cranden|Crandon | 19 | son | Refrigeration | Illinois |
| 7 | Paul R. Shonse | 38 | Head | Stationary Engineer | Illinois |
| 8 | Mildred Shonse | 39 | wife | — | Illinois |
| 9 | Charles Armstrong | 48 | Head | Locomotive Engineer | Ohio |
| 10 | Mabel Armstrong | 49 | wife | — | Ohio |
| 11 | Charles Allen Armstrong THIS PERSON | 21 | son | Clerk | Indiana |
| 12 | Ora W. Hullinger | 51 | Head | Locomotive Engineer | Ohio |
| 13 | Edna L. Hullinger | 51 | wife | — | Ohio |
| 14 | Charles Whitenack | 60 | Head | Car-Repairer | Indiana |
| 15 | Grace Belle Whitenack | 50 | wife | — | Indiana |
| 16 | J. F. Nelms | 65 | Head | Locomotive Engineer | Illinois |
| 17 | Elizabeth Nelms | 38 | wife | — | Kentucky |
| 18 | Joyce Nelms | 6 | daughter | — | Indiana |
| 19 | Howard Sutton | 16 | stepson | — | Indiana |
| 20 | Albert Jones | 19 | nephew | Salesman | Kentucky |
| 21 | Cosmas D. Widmeier | 65 | Head | Clerk | Illinois |
| 22 | Lena Widmeier | 58 | wife | — | Ohio |
| 23 | John F. Graves | 52 | Head | Night Watchman | Indiana |
| 24 | Jennie Graves | 46 | wife | — | Indiana |
| 25 | Harry Graves | 28 | son | Machine Operator | Indiana |
| 26 | Mary Graves | 26 | daughter | Inspector | Indiana |
| 27 | Elma Graves | 21 | daughter | Inspector | Indiana |
| 28 | Robert Graves | 19 | son | Attendant | Indiana |
| 29 | William Graves | 17 | son | Attendant | Indiana |
| 30 | Joseph Graves | 15 | son | — | Indiana |
| 31 | Richard Graves | 10 | son | — | Indiana |
| 32 | Earl M. Dusang | 52 | Head | Locomotive Engineer | Ohio |
| 33 | Mary B. Dusang | 43 | wife | — | Ohio |
| 34 | Betty Dusang | 13 | daughter | — | Indiana |
| 35 | Elmer Clark | 54 | Head | Conductor | Ohio |
| 36 | Anna Clark | 54 | wife | — | Indiana |
| 37 | Martin Hodson | 62 | Head | Locomotive Engineer | Indiana |
| 38 | Clara Hodson | 61 | wife | — | Indiana |
| 39 | Russell Hodson | 34 | son | Machinist | Indiana |
| 40 | Tilsie Hodson | 30 | daughter in law | — | Indiana |
Related Census Records
Pedigree Summary
Charles
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)