CS
Calvin Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Graham-County, Kansas
Our Model Tree links this Calvin Smith across the 1930 and 1940 US Censuses in Graham-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Graham-County, Kansas |
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | East Millbrook |
| 1935 Residence (County) | Graham |
| Additional Details | |
| Occupation | Laborer |
| Industry | Park maintenance Project |
| Class of Worker | GW |
| Hours Worked | 29 |
| Income (1939) | 45 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | East Millbrook |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Calvin | Age | Birth yr |
|---|---|---|---|---|
| Calvin Smith | Son | — | 18 | ~1922 |
| Harley Smith | Son | — | 9 | ~1931 |
| Roy Smith | Son | — | 13 | ~1927 |
| Maxine Smith | Daughter | — | 10 | ~1930 |
| Florence Smith | Spouse | — | 38 | ~1902 |
| Lorraine Smith | Son | — | 17 | ~1923 |
| James Smith | Son | — | 15 | ~1925 |
| Virgil Smith | Son | — | 6 | ~1934 |
| Mary Smith | Daughter | — | 5 | ~1935 |
| Alfred Smith | Head | — | 39 | ~1901 |
Census Appearances
1930
Graham, Kansas
Son, age 8
Graham, Kansas · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Calvin A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Graham-County, Kansas
Son, age 18
Graham-County, Kansas · implied b. ~1922 — 10 household members
| Surname | Smith |
| Given Name | Calvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | East Millbrook |
| 1935 Residence (County) | Graham |
| Occupation | Laborer |
| Industry | Park maintenance Project |
| Class of Worker | GW |
| Hours Worked | 29 |
| Income (1939) | 45 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Calvin Smith
Son · 1940 · age 18 · b. ~1922 · Kansas
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Sibling
James Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Smith
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harley Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Smith
Sibling · 1940 · age 13
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 — Graham-County, Kansas
Open full size
1940 US Federal Census — Graham-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01233-00283)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | A. E. Shipman | 53 | Head | Overseer | Kansas |
| 42 | Alice Shipman | 39 | Wife | — | Missouri |
| 43 | Robert Shipman | 21 | Son | Labourer | Kansas |
| 44 | Helen Shipman | 20 | Daughter | Clerk | Kansas |
| 45 | Thomas Shipman | 18 | Son | Assistant Janitor | Kansas |
| 46 | Charles Shipman | 17 | Son | Assistant Janitor | Kansas |
| 47 | Teresa Shipman | 12 | Daughter | — | Kansas |
| 48 | Donald Shipman | 6 | Son | — | Kansas |
| 49 | Arnold Shipman | 4 | Son | — | Kansas |
| 50 | Grace Schweitzer | 47 | Head | Clerk | Colorado |
| 51 | Ralph Schweitzer | 21 | Son | — | Kansas |
| 52 | Benjamin Schweitzer | 16 | Son | — | Kansas |
| 53 | Alfred Smith | 39 | Head | Laborer | Kansas |
| 54 | Florence Smith | 38 | Wife | — | Kansas |
| 55 | Calvin Smith THIS PERSON | 18 | Son | Laborer | Kansas |
| 56 | Lorraine Smith | 17 | Son | — | Kansas |
| 57 | James Smith | 15 | Son | — | Kansas |
| 58 | Roy Smith | 13 | Son | — | Kansas |
| 59 | Maxine Smith | 10 | Daughter | — | Kansas |
| 60 | Harley Smith | 9 | Son | — | Kansas |
| 61 | Virgil Smith | 6 | Son | — | Kansas |
| 62 | Mary Smith | 5 | Daughter | — | Kansas |
| 63 | J. T. Funk | 80 | Head | — | Pennsylvania |
| 64 | L. Grand Hull | 44 | Head | Farm | New York |
| 65 | Ruby Hull | 41 | Wife | — | Kansas |
| 66 | Edwin Lee Hull | 10 | Son | — | Kansas |
| 67 | Russell Hull | 3 | Son | — | Kansas |
| 68 | Floyd L. Stephen | 48 | Head | Farm | Missouri |
| 69 | Hazel Stephen | 46 | Wife | — | Kansas |
| 70 | Ivan Stephen | 19 | Son | Truck Driver | Kansas |
| 71 | Harry Flynn | 41 | Bro-in-law | Painter And Paper Hanger | Kansas |
| 72 | Edward Hite | 7 | Lodger | — | Kansas |
| 73 | Virginia Hite | 4 | Lodger | — | Kansas |
| 74 | David Sr. Schlingloff | 64 | Head | Farm | Illinois |
| 75 | Mabel Schlingloff | 54 | Wife | — | Kansas |
| 76 | David Jr. Schlingloff | 18 | Son | Cleaning | Kansas |
| 77 | Geo. W. Schweitzer | 49 | Head | Laborer | Colorado |
| 78 | L. A. Legere | 42 | Head | Farm | Illinois |
| 79 | Leta Legere | 42 | Wife | — | Illinois |
| 80 | George Legere | 18 | Son | Laborer | Illinois |
Related Census Records
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)