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John Shaffer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shawnee-County, Kansas
Our Model Tree links this John Shaffer across the 1920, 1930 and 1940 US Censuses in Shawnee-County, Kansas (XGBoost, ~Confirmed), with identified parents John & Nellie — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shawnee-County, Kansas |
| Surname | Shaffer |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Soldier Twp. |
| 1935 Residence (County) | Shawnee |
| Additional Details | |
| Occupation | laborer |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Laborer |
| Township / Ward | Soldier Twp |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Shaffer | Son | — | 27 | ~1913 |
| John Shaffer | Head | — | 60 | ~1880 |
| Nellie Shaffer | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Shawnee, Kansas
Son, age 7
Shawnee, Kansas · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaffer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Shawnee, Kansas
Son, age 17
Shawnee, Kansas · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaffer |
| Given Name | John B. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Shawnee-County, Kansas
Son, age 27
Shawnee-County, Kansas · implied b. ~1913 — 3 household members
| Surname | Shaffer |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Soldier Twp. |
| 1935 Residence (County) | Shawnee |
| Occupation | laborer |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 John Shaffer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Shaffer (~0.92 confidence) and mother Nellie Shaffer (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Shaffer
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Nellie Shaffer
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Shaffer
Son · 1940 · age 27 · b. ~1913 · Kansas
★ 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 — Shawnee-County, Kansas
Open full size
1940 US Federal Census — Shawnee-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01259-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alvata Smith | 21 | Wife | H | Kansas |
| 2 | Irene Smith | 11 | Daughter | — | Kansas |
| 3 | Stella Smith | 7 | Daughter | — | Kansas |
| 4 | Clyde Jr. Smith | 5 | Son | — | Kansas |
| 5 | George Stapel | 59 | Head | Farmer | Kansas |
| 6 | Nora E. Stapel | 50 | Wife | H | Kansas |
| 7 | Dewey M. Woodruff | 15 | Nephew | Laborer | Kansas |
| 8 | John W. Shaffer | 60 | Head | Farmer | Kansas |
| 9 | Nellie Shaffer | 53 | Wife | H | Kansas |
| 10 | John Jr. Shaffer THIS PERSON | 27 | Son | Laborer | Kansas |
| 11 | Harry Dukes | 41 | Head | Helper | Kansas |
| 12 | June E. Dukes | 24 | Wife | H | Kansas |
| 13 | Dan O. Cunning | 69 | Head | — | Missouri |
| 14 | Clarence Moore | 64 | Head | Farmer | Illinois |
| 15 | Wilda E. Moore | 65 | Wife | H | Illinois |
| 16 | Alva O. Gay | 60 | Head | Farmer | Kansas |
| 17 | Leonard Bloodhart | 24 | Lodger | Laborer | Kansas |
| 18 | Irvin Tukens | 48 | Head | Farmer | Kansas |
| 19 | Libbie E. Tukens | 60 | Sister | H | Kansas |
| 20 | Jacob Dauber | 72 | Head | — | Kansas |
| 21 | Grace Dauber | 60 | Wife | H | Ohio |
| 22 | Sarah Dauber | 52 | Head | Farmer | Kansas |
| 23 | Margaret Dauber | 84 | Mother | — | West Virginia |
| 24 | Merrill Chacey | 51 | Head | Laborer | Kansas |
| 25 | Ed Whiteneck | 63 | Hired hand | Laborer | Illinois |
| 26 | William Miller | 64 | Head | Farmer | Iowa |
| 27 | Lena Miller | 61 | Wife | H | Kansas |
| 28 | Kenneth Miller | 27 | Son | Farmer | Kansas |
| 29 | Fred Mcnorton | 34 | Head | Farmer | Kansas |
| 30 | Mildred Mcnorton | 35 | Wife | H | Kansas |
| 31 | Wayne Mcnorton | 8 | Son | — | Kansas |
| 32 | Boyce Mcnorton | 6 | Son | — | Kansas |
| 33 | Clyde Mcnorton | 4 | Son | — | Kansas |
| 34 | David Mcnorton | 3 | Son | — | Kansas |
| 35 | Edward Wells | 41 | Head | Farmer | Indiana |
| 36 | Edith Wells | 43 | Wife | H | Illinois |
| 37 | Vernon Wells | 20 | Son | Farmer | Nebraska |
| 38 | Charles Wells | 18 | Son | Laborer | Nebraska |
| 39 | Dorothy Wells | 16 | Daughter | — | Kansas |
| 40 | Mamie Wells | 15 | Daughter | — | Kansas |
Related Census Records
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)