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Fred Roberts — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Fred Roberts across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Ross Township |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Ross Township |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Florence Roberts | Head | — | 73 | ~1867 |
| John Roberts | Son | — | 14 | ~1926 |
| Albert Roberts | Son | — | 8 | ~1932 |
| Ralph Roberts | Son | — | 12 | ~1928 |
| Beverly Roberts | Daughter | — | 7 | ~1933 |
| Amy Roberts | Daughter | — | 16 | ~1924 |
| Edward Roberts | Son | — | 23 | ~1917 |
| Fred Roberts | Son | — | 20 | ~1920 |
Census Appearances
1930
Lake, Indiana
Son, age 8
Lake, Indiana · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Fred W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Lake-County, Indiana
Son, age 20
Lake-County, Indiana · implied b. ~1920 — 8 household members
| Surname | Roberts |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Ross Township |
| 1935 Residence (County) | Lake |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Fred Roberts across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Roberts
Son · 1940 · age 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Albert Roberts
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Roberts
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Roberts
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Roberts
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beverly Roberts
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amy Roberts
Sibling · 1940 · age 16
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01068-00846)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Roberts | 73 | Head | — | Indiana |
| 2 | Edward Roberts | 23 | Son | Laborer | Iowa |
| 3 | Fred Roberts THIS PERSON | 20 | Son | Laborer | Colorado |
| 4 | Amy Roberts | 16 | Daughter | — | Colorado |
| 5 | John Roberts | 14 | Son | — | Colorado |
| 6 | Ralph Roberts | 12 | Son | — | Indiana |
| 7 | Albert Roberts | 8 | Son | — | Indiana |
| 8 | Beverly Roberts | 7 | Daughter | — | Indiana |
| 9 | Rose Wirtz | 61 | Head | — | Indiana |
| 10 | O. William Wirtz | 38 | Son | Farmer | Indiana |
| 11 | Laurence Wirtz | 35 | Son | Farm Labor | Indiana |
| 12 | Walter A. Wirtz | 26 | Son | Farm Labor | Indiana |
| 13 | Phillip J. Wirtz | 23 | Son | Farm Labor | Indiana |
| 14 | Mundad Wirtz | 19 | Son | New Worker | Indiana |
| 15 | John Horvath | 55 | Head | Truck Driver | Hungary |
| 16 | Mary Horvath | 45 | Wife | — | Hungary |
| 17 | Annie Horvath | 23 | Daughter | — | Hungary |
| 18 | Clarence Kitchels | 57 | Head | Proprietor | Kansas |
| 19 | Hattie Kitchels | 56 | Wife | Manager | Indiana |
| 20 | Ida Toley | 77 | Mother-in-law | — | Indiana |
| 21 | Raymond Kitchels | 26 | Head | Attendant | Indiana |
| 22 | Emma Kitchels | 23 | Wife | — | Indiana |
| 23 | Charles Kitchels | 4 | Son | — | Indiana |
| 24 | Leroy Kitchels | 1 | Son | — | Indiana |
| 25 | Claude Sr. Harbit | 54 | Head | Laborer | Indiana |
| 26 | Claude Jr. Harbit | 20 | Son | Machinist | Indiana |
| 27 | Merril Harbit | 18 | Son | New Worker | Indiana |
| 28 | Carl Harbit | 21 | Son | Truck Driver | Indiana |
| 29 | Wanza Harbit | 18 | Daughter-in-law | — | Illinois |
| 30 | Richard Harbit | 1 | Grandson | — | Indiana |
| 31 | Henry Buckli | 67 | Head | Farmer | Indiana |
| 32 | Hattie Buckli | 67 | Wife | — | Indiana |
| 33 | Fred Buckli | 43 | Son | Farm Laborer | Indiana |
| 34 | Helen Buckli | 39 | Daughter-in-law | — | Indiana |
| 35 | John Kraft | 29 | Son-in-law | Steam Fitter | Indiana |
| 36 | Mildred Kraft | 26 | Daughter | — | Indiana |
| 37 | John M. Kraft | 1 | Grandson | — | Indiana |
| 38 | J. F. Lindsey | 42 | Head | Accounting | Pennsylvania |
| 39 | Margaret Lindsey | 32 | Wife | — | West Virginia |
| 40 | John Lindsey | 7 | Son | — | Indiana |
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)