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Harold Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Harold Roberts across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ontario Twp |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 66 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Farmer |
| Township / Ward | Ontario Twp |
| Est. Birth Year | ~1888 |
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 |
|---|---|---|---|---|
| Richard Roberts | Son | — | 24 | ~1916 |
| Marie Roberts | Spouse | — | 50 | ~1890 |
| Harold Roberts | Head | — | 52 | ~1888 |
| Housel Roberts | Son | — | 17 | ~1923 |
Census Appearances
1920
Knox, Illinois
Head, age 32
Knox, Illinois · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Illinois |
| Occupation | Farm |
| Industry | Gen farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Knox, Illinois
Head, age 42
Knox, Illinois · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 28 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Knox-County, Illinois
Head, age 52
Knox-County, Illinois · implied b. ~1888 — 4 household members
| Surname | Roberts |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ontario Twp |
| 1935 Residence (County) | Knox |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 66 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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.
Show:
This person
Anchor record
Harold Roberts
Head · 1940 · age 52 · b. ~1888 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. M. Hobbs | 58 | Head | Farmer | Nebraska |
| 2 | Bernice Hobbs | 28 | Wife | — | Illinois |
| 3 | Oscar Nicholson | 42 | Hired hand | Laborer | Illinois |
| 4 | Minnie Rask | 49 | Head | Farmer | Sweden |
| 5 | Lillian Rask | 42 | Wife | — | Illinois |
| 6 | Eugene Rask | 17 | Son | New Worker | Illinois |
| 7 | Lollie Rask | 16 | Daughter | New Worker | Illinois |
| 8 | Donna Mae Rask | 11 | Daughter | — | Illinois |
| 9 | Lowell Rask | 9 | Son | — | Illinois |
| 10 | Harold Roberts THIS PERSON | 52 | Head | Farmer | New Jersey |
| 11 | Marie Roberts | 50 | Wife | — | Illinois |
| 12 | Richard Roberts | 24 | Son | Machinist | Illinois |
| 13 | Housel Roberts | 17 | Son | Apprentice | Illinois |
| 14 | Joseph Carlson | 47 | Head | Farmer | Sweden |
| 15 | Edith Carlson | 42 | Wife | — | Sweden |
| 16 | Carrie Carlson | 21 | Daughter | — | Illinois |
| 17 | Joe Carlson | 19 | Son | Helper | Illinois |
| 18 | J. J. Clearwater | 67 | Head | Farmer | New York |
| 19 | Cornelia Clearwater | 57 | Wife | — | Illinois |
| 20 | Edwin Krantz | 35 | Head | Farmer | Illinois |
| 21 | Alvera Krantz | 29 | Wife | — | Illinois |
| 22 | Audrey Ann Krantz | 9 | Daughter | — | Illinois |
| 23 | Gayle Krantz | 7 | Son | — | Illinois |
| 24 | Steve Christianson | 34 | Hired hand | Laborer | Sweden |
| 25 | B. F. Wetmore | 54 | Head | Laborer | Illinois |
| 26 | Eleanor Wetmore | 51 | Wife | — | Illinois |
| 27 | Harriett Carr | 74 | Mother-in-law | — | Illinois |
| 28 | Helen Wetmore | 70 | Sister | — | Illinois |
| 29 | W. C. Wetmore | 27 | Head | Laborer | Illinois |
| 30 | Mary Wetmore | 27 | Wife | — | Nebraska |
| 31 | Eleanor Wetmore | 5 | Daughter | — | Illinois |
| 32 | Donald Wetmore | 4 | Son | — | Illinois |
| 33 | Helen Wetmore | 1 | Daughter | — | Illinois |
| 34 | Roy Stewart | 32 | Head | Farm Laborer | Illinois |
| 35 | Marjorie Stewart | 21 | Wife | Farm Laborer | Illinois |
| 36 | Clarence Shett | 46 | Lodger | Farmer | Illinois |
| 37 | Everett Nelson | 25 | Head | Farmer | Illinois |
| 38 | Hester Nelson | 22 | Wife | — | Illinois |
| 39 | Elmer Anderson | 20 | Hired hand | Laborer | Illinois |
| 40 | Charles Krantz | 67 | Head | — | Sweden |
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)