WK
William Knapp — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cherokee-County, Kansas
Our Model Tree links this William Knapp across the 1930 and 1940 US Censuses in Cherokee-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cherokee-County, Kansas |
| Surname | Knapp |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Weir City |
| 1935 Residence (County) | Cherokee |
| Additional Details | |
| Occupation | Cook |
| Industry | Soil Erosion Project |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 720 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Cook |
| Township / Ward | Weir City |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Joseph Knapp | Son | — | 18 | ~1922 |
| Ruth Knapp | Other | — | 18 | ~1922 |
| Earl Knapp | Head | — | 49 | ~1891 |
| Kenneth Knapp | Son | — | 9 | ~1931 |
| Benny Knapp | Son | — | 6 | ~1934 |
| George Knapp | Son | — | 22 | ~1918 |
| Alice Knapp | Spouse | — | 50 | ~1890 |
| William Knapp | Son | — | 25 | ~1915 |
Census Appearances
1930
Cherokee, Kansas
Son, age 15
Cherokee, Kansas · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knapp |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Cherokee-County, Kansas
Son, age 25
Cherokee-County, Kansas · implied b. ~1915 — 8 household members
| Surname | Knapp |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Weir City |
| 1935 Residence (County) | Cherokee |
| Occupation | Cook |
| Industry | Soil Erosion Project |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 720 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 William Knapp across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Knapp
Son · 1940 · age 25 · b. ~1915 · Kansas
★ You are viewing this record
Sibling
Joseph Knapp
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benny Knapp
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Knapp
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Knapp
Sibling · 1940 · age 9
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 — Cherokee-County, Kansas
Open full size
1940 US Federal Census — Cherokee-County, Kansas
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01223-01127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lucretia Craddock | 67 | Wife | — | Ohio |
| 2 | Aaron C. Butler | 50 | Head | Letter Carrier | Kentucky |
| 3 | Minnie A. Butler | 47 | Wife | Publisher | Kansas |
| 4 | Aaron C. Butler | 22 | Son | — | Kansas |
| 5 | Agnes D. Butler | 20 | Daughter | — | Kansas |
| 6 | Margaret Murphy | 67 | Mother in law | — | Pennsylvania |
| 8 | Ella S. Lochead | 78 | Head | — | Missouri |
| 9 | George T. Lochead | 34 | Son | Laborer | Kansas |
| 10 | Dalbert O. Graham | 45 | — | Waiter | Kansas |
| 11 | Felix J. Ralston | 33 | Head | Proprietor | Kansas |
| 12 | Louisa E. Ralston | 26 | Wife | — | Kansas |
| 13 | Lydia M. Jacquinet | 21 | Sister in law | Sales Lady | Kansas |
| 15 | Harry N. Williams | 36 | Head | Water Hauler | Kansas |
| 16 | Bessie E. Williams | 35 | Wife | — | Kansas |
| 17 | Eleanor N. Williams | 11 | Daughter | — | Kansas |
| 18 | Betty M. Williams | 7 | Daughter | — | Kansas |
| 19 | Annette J. Williams | 4 | Daughter | — | Kansas |
| 20 | Earl Knapp | 49 | Head | Truck Driver | Colorado |
| 21 | Alice D. Knapp | 50 | Wife | — | Kansas |
| 22 | William R. Knapp THIS PERSON | 25 | Son | Cook | Kansas |
| 23 | Joseph E. Knapp | 18 | Son | — | Kansas |
| 24 | Kenneth J. Knapp | 9 | Son | — | Kansas |
| 25 | Benny W. Knapp | 6 | Son | — | Kansas |
| 26 | George E. Knapp | 22 | Son | Truck Driver | Kansas |
| 27 | Ruth M. Knapp | 18 | Daughter in law | — | Montana |
| 29 | Gideon S. Gorley | 49 | Head | Carpenter | Kansas |
| 30 | Bessie E. Gorley | 41 | Wife | — | Iowa |
| 31 | Sylvia V. Gorley | 18 | Daughter | — | Kansas |
| 32 | Ivan L. Gorley | 16 | Son | — | Kansas |
| 33 | Glenn D. Gorley | 13 | Son | — | Kansas |
| 34 | John H. Gorley | 8 | Son | — | Kansas |
| 35 | Reba F. Gorley | 4 | Daughter | — | Kansas |
| 36 | Retha M. Gorley | 2 | Daughter | — | Kansas |
| 37 | Lavina E. Martin | 39 | Head | — | Missouri |
| 38 | N. Juanita Martin | 16 | Daughter | — | Missouri |
| 39 | Willie N. Martin | 13 | Daughter | — | Kansas |
| 40 | Allie M. Martin | 12 | Daughter | — | Kansas |
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)