RF
Robert Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Robert Fox across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Fox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | 60 |
| Industry | Farm Helper |
| Class of Worker | Farm |
| Highest Grade | H-4 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | 60 |
| Township / Ward | Wayne Twp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Fox | Daughter | — | 16 | ~1924 |
| Robert Fox | Son | — | 22 | ~1918 |
| Mary Fox | Spouse | — | 51 | ~1889 |
| Oscar Fox | Son | — | 25 | ~1915 |
| Phillip Fox | Head | — | 51 | ~1889 |
| Rainsford Ross | Other | — | 70 | ~1870 |
| Betty Fox | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Marion, Indiana
Son, age 3
Marion, Indiana · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 13
Marion, Indiana · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Robert Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Indiana |
| 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 — 7 household members
| Surname | Fox |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (County) | Marion |
| Occupation | 60 |
| Industry | Farm Helper |
| Class of Worker | Farm |
| Highest Grade | H-4 |
| 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 Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Fox (~0.92 confidence) and mother Mary Fox (~0.92 confidence) and mother Mary Fox (~0.92 confidence) and father Phillip Fox (~0.92 confidence) and father Robert Fox (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Fox
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Fox
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Fox
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Phillip Fox
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Robert Fox
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Fox
Son · 1940 · age 22 · b. ~1918 · Indiana
★ You are viewing this record
Sibling
Oscar Fox
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fox
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Fox
Sibling · 1940 · age 14
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-t0627-01076-01129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Cummings | 4 | Son | — | Indiana |
| 2 | Donald Cummings | 3 | Son | — | Indiana |
| 3 | Thomas Cummings | 67 | Father | 0 | Indiana |
| 4 | Julia Cummings | 67 | Mother | 0 | Indiana |
| 5 | Matilda Fox | 77 | Head | 0 | Indiana |
| 6 | Ida Harrison | 69 | Head | 0 | Indiana |
| 7 | James Highshew | 50 | Head | 60 | Indiana |
| 8 | Nita Highshew | 46 | Wife | 0 | Indiana |
| 9 | James Jr Highshew | 23 | Son | 52 | Indiana |
| 10 | Doris Highshew | 21 | Son | 0 | Indiana |
| 11 | Varney Highshew | 19 | Son | 52 | Indiana |
| 12 | Mildred Highshew | 17 | Daughter-in-law | 0 | Indiana |
| 13 | Phillip Fox | 51 | Head | 0 | Indiana |
| 14 | Mary Fox | 51 | Wife | 0 | Indiana |
| 15 | Oscar Fox | 25 | Son | 60 | Indiana |
| 16 | Robert Fox THIS PERSON | 22 | Son | 60 | Indiana |
| 17 | Mary Fox | 16 | Daughter | 0 | Indiana |
| 18 | Betty Fox | 14 | Daughter | 0 | Indiana |
| 19 | Rainsford Ross | 70 | Brother-in-law | 0 | Indiana |
| 20 | Harley Neal | 28 | Head | 40 | Indiana |
| 21 | Minnie Neal | 27 | Wife | 0 | Kentucky |
| 22 | Betty Jo Neal | 8 | Daughter | 0 | Indiana |
| 23 | Harold Willsey | 26 | Head | 42 | Indiana |
| 24 | Jane Willsey | 25 | Wife | 0 | Indiana |
| 25 | Janice Willsey | 6 | Daughter | 0 | Ohio |
| 26 | Steven Willsey | 2 | Son | 0 | Indiana |
| 27 | Martha Martindale | 70 | Head | 0 | Indiana |
| 28 | George Stiegman | 68 | Lodger | — | Germany |
| 29 | Alice Stiegman | 66 | Lodger | 0 | Indiana |
| 30 | Mary Kruse | 59 | Head | 0 | Ohio |
| 31 | Edward Kruse | 30 | Son | Salesman | Conneaut |
| 32 | Charlotte Kruse | 30 | Daughter-in-law | 30 | Ohio |
| 33 | Walter Holander | 54 | Lodger | 40 | Kentucky |
| 34 | Robert Marmon | 33 | Head | 48 | Illinois |
| 35 | Coleta Marmon | 36 | Wife | 0 | Ohio |
| 36 | Robert Marmon | 7 | Son | 0 | Ohio |
| 37 | Phyllis Marmon | 5 | Daughter | 0 | Ohio |
| 38 | Anita Marmon | 3 | Daughter | 0 | Indiana |
| 39 | Anita Marmon | 1 | Daughter | 0 | Indiana |
| 40 | Thomas Poole | 31 | Head | 72 | Indiana |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 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)