RS
Robert Stewart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Stewart across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Frank & Hazel — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Stewart |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Chemist |
| Industry | Allison Engineering |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1450 |
| Highest Grade | C-3 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Chemist |
| Township / Ward | Indianapolis |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Frank Stewart | Head | — | 46 | ~1894 |
| Nell Hornung | Other | — | 46 | ~1894 |
| Robert Stewart | Son | — | 22 | ~1918 |
| John Stewart | Son | — | 21 | ~1919 |
| Frank Stewart | Son | — | 14 | ~1926 |
| Hazel Stewart | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Marion, Indiana
Son, age 2
Marion, Indiana · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| 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 |
1930
Marion, Indiana
Son, age 12
Marion, Indiana · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | Robert A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 22
Marion-County, Indiana · implied b. ~1918 — 6 household members
| Surname | Stewart |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Chemist |
| Industry | Allison Engineering |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1450 |
| Highest Grade | C-3 |
| 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 Robert Stewart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Stewart (~0.92 confidence) and mother Hazel Stewart (~0.92 confidence) and mother Hazel Stewart (~0.92 confidence) and father Frank Stewart (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Stewart
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Hazel Stewart
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Hazel Stewart
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Frank Stewart
b. ~1894
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Stewart
Son · 1940 · age 22 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
Frank Stewart
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Stewart
Sibling · 1940 · age 21
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-t0627-01123-00581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer P. Jones | 54 | Head | Laborer | Indiana |
| 2 | Lena D. Jones | 55 | Wife | — | Indiana |
| 3 | Barbara Nowlin | 14 | Niece | — | Indiana |
| 4 | Elmer Spitznagel | 49 | Head | Owner | Illinois |
| 5 | Anne E. Spitznagel | 47 | Wife | — | Illinois |
| 6 | John Spitznagel | 12 | Son | — | Illinois |
| 7 | Joann Spitznagel | 10 | Daughter | — | Illinois |
| 8 | Frank Stewart | 46 | Head | — | Indiana |
| 9 | Hazel Stewart | 47 | Wife | Investigator | Indiana |
| 10 | Robert A. Stewart THIS PERSON | 22 | Son | Chemist | Indiana |
| 11 | John L. Stewart | 21 | Son | — | Indiana |
| 12 | Frank Jr. Stewart | 14 | Son | — | Indiana |
| 13 | Nell J. Hornung | 46 | Lodger | — | Indiana |
| 14 | Alice Goss | 71 | Head | — | Indiana |
| 15 | Henry Stater | 29 | Lodger | Clerk | Mississippi |
| 16 | Emily Hobbs | 70 | Lodger | Maid | Mississippi |
| 17 | Martha Bicknell | 68 | Lodger | Kitchen At | Indiana |
| 18 | Harold Vawter | 56 | Head | Clerk | Indiana |
| 19 | Carl Lyman | 42 | Head | Proprietor | New York |
| 20 | Miriam Lyman | 40 | Wife | — | Indiana |
| 21 | Florence Stone | 45 | Head | — | Indiana |
| 22 | Mary Stone | 16 | Daughter | — | Indiana |
| 23 | Raymond Stone | 14 | Son | — | Indiana |
| 24 | Matilda Hurtz | 78 | Mother | — | Indiana |
| 25 | James Kelly | 52 | Head | Salesman | Indiana |
| 26 | Shirley Kelly | 51 | Wife | — | Indiana |
| 27 | Agnes Todd | 52 | Head | — | Indiana |
| 28 | Martha Todd | 30 | Daughter | — | Indiana |
| 29 | Jessie S. Moulden | 52 | Mother | Salesman | Indiana |
| 30 | H. Robert Russe | 22 | Lodger | Bookkeeper | Indiana |
| 31 | James O. Carney | 26 | Lodger | Salesman | Indiana |
| 32 | Lloyd L. Darr | 19 | Lodger | Installer | Indiana |
| 33 | Flossie Daughtery | 40 | Head | — | Indiana |
| 34 | Mary F. Daughtery | 21 | Daughter | — | Indiana |
| 35 | Andra Jamison | 36 | Head | Art Director | Indiana |
| 36 | Celena Van Buskirk | 39 | Head | — | Indiana |
| 37 | Martha Kiger | 67 | Lodger | — | Indiana |
| 38 | Edward W. Kiger | 34 | Lodger | Salesman | Indiana |
| 39 | Herbert Hill | 39 | Head | Proprietor | Indiana |
| 40 | Beulah Hill | 21 | Wife | — | Indiana |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 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)