CS
Calvin Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Ohio
Our Model Tree links this Calvin Smith across the 1920, 1930 and 1940 US Censuses in Knox-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 8-person household.
Age 61
b. ~1879
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Ohio |
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Utica |
| 1935 Residence (County) | Licking |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 22 |
| Income (1939) | 381 |
| Highest Grade | No 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Laborer |
| Township / Ward | Mt Vernon |
| Est. Birth Year | ~1879 |
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 Calvin | Age | Birth yr |
|---|---|---|---|---|
| Calvin Smith | Head | — | 61 | ~1879 |
| Raymond Smith | Son | — | 10 | ~1930 |
| Luella Smith | Daughter | — | 21 | ~1919 |
| Harold Smith | Son | — | 23 | ~1917 |
| Norma Smith | Daughter | — | 13 | ~1927 |
| Idella Smith | Spouse | — | 50 | ~1890 |
| Clarence Smith | Son | — | 25 | ~1915 |
| Dorothy Smith | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Knox, Ohio
Head, age 41
Knox, Ohio · implied b. ~1879 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Calvin P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | ohio |
1930
Knox, Ohio
Head, age 51
Knox, Ohio · implied b. ~1879 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 25 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Glass Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Knox-County, Ohio
Head, age 61
Knox-County, Ohio · implied b. ~1879 — 8 household members
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Utica |
| 1935 Residence (County) | Licking |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 22 |
| Income (1939) | 381 |
| Highest Grade | No 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Calvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Calvin Smith
Head · 1940 · age 61 · b. ~1879 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knox-County, Ohio
Open full size
1940 US Federal Census — Knox-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03093-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James D. Watson | 25 | Head | Assembler | N. Carolina |
| 42 | Dorothy Watson | 19 | Wife | Stenographer | Ohio |
| 43 | Lester E. Sesser | 41 | Head | Attendant | Ohio |
| 44 | Emily Sesser | 30 | Wife | Seamstress | Ohio |
| 45 | Samuel H. Scoles | 55 | Head | Foreman | Ohio |
| 46 | Eva B. Scoles | 54 | Wife | — | Ohio |
| 47 | Charley Doe | 44 | Head | Batch Mixer | Ohio |
| 48 | Dorothy Doe | 25 | Daughter | Bookkeeper | Ohio |
| 49 | Betty Doe | 19 | Daughter | Clerk | Ohio |
| 50 | Charles Sutton | 33 | Head | Draftsman | Ohio |
| 51 | Pauline Sutton | 30 | Wife | — | Ohio |
| 52 | William E. Sittler | 57 | Head | — | Ohio |
| 53 | Grace L. Sittler | 56 | Wife | Junior Clerk | Ohio |
| 54 | George W. Shipley | 38 | Head | Miller | Ohio |
| 55 | Thelma Shipley | 35 | Wife | — | Ohio |
| 56 | Marilyn Shipley | 10 | Daughter | — | Ohio |
| 57 | Wilbur Lenhart | 27 | Head | Railroader | Indiana |
| 58 | Hannabelle Lenhart | 19 | Wife | — | Ohio |
| 59 | Charles Lenhart | 1 | Son | — | Ohio |
| 60 | Ida May Lenhart | 65 | Mother | — | Kentucky |
| 61 | William E. Lenhart | 22 | Brother | Laborer | Ohio |
| 62 | Calvin Smith THIS PERSON | 61 | Head | Laborer | Ohio |
| 63 | Idella Smith | 50 | Wife | — | Ohio |
| 64 | Clarence Smith | 25 | Son | Janitor | Ohio |
| 65 | Harold Smith | 23 | Son | Cook | Ohio |
| 66 | Luella Smith | 21 | Daughter | Waitress | Ohio |
| 67 | Dorothy Smith | 18 | Daughter | — | Ohio |
| 68 | Norma Smith | 13 | Daughter | — | Ohio |
| 69 | Raymond Smith | 10 | Son | — | Ohio |
| 70 | William Gracer | 30 | Head | Plumber | Kentucky |
| 71 | Bernice Gracer | 25 | Wife | — | Kentucky |
| 72 | Forest Gracer | 7 | Son | — | Kentucky |
| 73 | Margaret Gracer | 6 | Daughter | — | Kentucky |
| 74 | Shirley L. Gracer | 4 | Daughter | — | Kentucky |
| 75 | Billy Ray Gracer | 2 | Son | — | Kentucky |
| 76 | Nora L. Gracer | 57 | Mother | — | Kentucky |
| 77 | Floyd Minsholder | 27 | Head | Mechanic | Ohio |
| 78 | Ethel Minsholder | 29 | Wife | — | Ohio |
| 79 | Frances E. Minsholder | 6 | Daughter | — | Ohio |
| 80 | James Minsholder | 4 | Son | — | Ohio |
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)