HR
Harold Roberts — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vigo-County, Indiana
Our Model Tree links this Harold Roberts across the 1920, 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed), with identified parents Fred & Opal — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vigo-County, Indiana |
| Surname | Roberts |
| Given Name | Harold, J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lost Creek Township |
| 1935 Residence (County) | Vigo |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Wholesale Coal Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Lost Creek Township |
| 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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Roberts | Son | — | 21 | ~1919 |
| Wayne Roberts | Son | — | 15 | ~1925 |
| Opal Roberts | Spouse | — | 38 | ~1902 |
| Fred Roberts | Head | — | 47 | ~1893 |
Census Appearances
1920
Vigo, Indiana
Other, age 1
Vigo, Indiana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vigo, Indiana
Son, age 11
Vigo, Indiana · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vigo-County, Indiana
Son, age 21
Vigo-County, Indiana · implied b. ~1919 — 4 household members
| Surname | Roberts |
| Given Name | Harold, J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Lost Creek Township |
| 1935 Residence (County) | Vigo |
| Occupation | Truck Driver |
| Industry | Wholesale Coal Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 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 Harold Roberts across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Roberts (~0.92 confidence) and mother Opal Roberts (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Roberts
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Opal Roberts
b. ~1902
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Roberts
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Wayne Roberts
Sibling · 1940 · age 15
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 — Vigo-County, Indiana
Open full size
1940 US Federal Census — Vigo-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01105-00220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert, W. Smith | 47 | Head | School Teacher | Indiana |
| 2 | Mary, E. Smith | 40 | Wife | — | Indiana |
| 3 | Betty Smith | 14 | Daughter | — | Indiana |
| 4 | Agnes Smith | 11 | Daughter | — | Indiana |
| 5 | James, R. Smith | 10 | Son | — | Indiana |
| 6 | Garett Smith | 67 | Father | Farm Hand | Indiana |
| 7 | Ruth Latta | 37 | Head | Seamstress | France |
| 8 | Ernest, M. Brown | 48 | Lodger | Painter | Indiana |
| 9 | Russell Rector | 51 | Head | Farmer | Indiana |
| 10 | Gertrude Rector | 47 | Wife | — | Indiana |
| 11 | Marvin Rector | 20 | Son | Truck Driver | Indiana |
| 12 | Lela Rector | 18 | Daughter | Secretary | Indiana |
| 13 | Helen Rector | 16 | Daughter | — | Indiana |
| 14 | Noble Rector | 12 | Son | — | Indiana |
| 15 | Robert Rector | 9 | Son | — | Indiana |
| 16 | Charles Rector | 38 | Brother | — | Indiana |
| 17 | Mary, C. Roberts | 73 | Head | — | Indiana |
| 18 | Paul Winn | 16 | Lodger | — | Indiana |
| 19 | Stella, G. Louks | 50 | Daughter | — | Indiana |
| 20 | Fred, P. Roberts | 47 | Head | Owner | Indiana |
| 21 | Opal Roberts | 38 | Wife | Owner | Indiana |
| 22 | Harold, J. Roberts THIS PERSON | 21 | Son | Truck Driver | Indiana |
| 23 | Wayne, E. Roberts | 15 | Son | — | Indiana |
| 24 | Fred, C. Jones | 32 | Head | Book Binder | Indiana |
| 25 | Florence Jones | 31 | Wife | — | Indiana |
| 26 | Fred Jones | 14 | Son | — | Indiana |
| 27 | Max Jones | 13 | Son | — | Indiana |
| 28 | Bonny, J. Jones | 11 | Daughter | — | Indiana |
| 29 | Louis Felling | 22 | Head | Owner | Indiana |
| 30 | Muriel Felling | 33 | Wife | — | Indiana |
| 31 | Elizabeth Felling | 10 | Daughter | — | Indiana |
| 32 | Frankie Felling | 6 | Son | — | Indiana |
| 33 | Mary Felling | 4 | Daughter | — | Indiana |
| 34 | Carolann Felling | 2 | Daughter | — | Indiana |
| 35 | Luther, H. Morris | 21 | Head | Warehouse Man | Indiana |
| 36 | Frances Morris | 20 | Wife | — | Indiana |
| 37 | Everett Roberts | 33 | Head | Manager | Indiana |
| 38 | Norma Roberts | 28 | Wife | — | Indiana |
| 39 | Mary, J. Roberts | 4 | Daughter | — | Indiana |
| 40 | Richard, E. Roberts | 2 | Son | — | Indiana |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 2 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)