JC
John Carpenter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leavenworth-County, Kansas
Our Model Tree links this John Carpenter across the 1920, 1930 and 1940 US Censuses in Leavenworth-County, Kansas (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Leavenworth-County, Kansas |
| Surname | Carpenter |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Stranger Township |
| 1935 Residence (County) | Leavenworth |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Stranger Township |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Carpenter | Head | — | 34 | ~1906 |
| Marie Hummelgaard | Other | — | 64 | ~1876 |
| John Carpenter | Son | — | 4 | ~1936 |
| Elna Carpenter | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Leavenworth, Kansas
Son, age 14
Leavenworth, Kansas · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | John B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Holland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Leavenworth, Kansas
Son, age 24
Leavenworth, Kansas · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Holland |
| Occupation | Truck Driver |
| Industry | Mills |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Leavenworth-County, Kansas
Head, age 34
Leavenworth-County, Kansas · implied b. ~1906 — 4 household members
| Surname | Carpenter |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Stranger Township |
| 1935 Residence (County) | Leavenworth |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| 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 John Carpenter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Carpenter (~0.92 confidence) and father John Carpenter (~0.92 confidence) and mother Cornelia Carpenter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carpenter
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Carpenter
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Cornelia Carpenter
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Carpenter
Head · 1940 · age 34 · b. ~1906 · 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 — Leavenworth-County, Kansas
Open full size
1940 US Federal Census — Leavenworth-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01240-01117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna M. Wickey | 63 | Head | — | Kansas |
| 2 | Ruthford P. Warren | 44 | Head | Farmer | Kansas |
| 3 | Eva Warren | 34 | Wife | — | Oklahoma |
| 4 | Maggie J. Warren | 12 | Daughter | — | Oklahoma |
| 5 | Arthur George Warren | 4 | Son | — | Kansas |
| 6 | John W. Wickey | 67 | Head | Farmer | Kansas |
| 7 | Hanna Wickey | 67 | Wife | — | Kansas |
| 8 | Beulah Hawkins | 38 | Daughter | — | Kansas |
| 9 | George Hawkins | 12 | Grandson | — | Kansas |
| 10 | Lawrence Stoneking | 57 | Head | Farmer | Illinois |
| 11 | Hazel Stoneking | 55 | Wife | — | Illinois |
| 12 | Theo P. Stoneking | 35 | Son | Maintainer | Missouri |
| 13 | Viola M. Stoneking | 32 | Daughter-in-law | — | Kansas |
| 14 | Lawrence Th. Stoneking | 10 | Grandson | — | Kansas |
| 15 | Robert M. Stoneking | 7 | Grandson | — | Kansas |
| 16 | David H. Thistlethwaite | 59 | Head | Farmer | Kansas |
| 17 | Merton G. Thistlethwaite | 53 | Wife | Teacher | Iowa |
| 18 | Mildred B. Thistlethwaite | 24 | Daughter | Teacher | Kansas |
| 19 | Fredrick J. Heywood | 68 | Head | Farmer | England |
| 20 | Lucy J. Heywood | 62 | Wife | — | Kansas |
| 21 | Morris F. Heywood | 25 | Son | Farmer | Kansas |
| 22 | Fred A. Smith | 77 | Head | Farmer | New York |
| 23 | Jenny M. Smith | 63 | Wife | — | Illinois |
| 24 | Lawrence E. Hunteman | 61 | Head | Farmer | Indiana |
| 25 | Maggie Hunteman | 61 | Wife | — | Nebraska |
| 26 | Virgil Hunteman | 22 | Son | Farmer | Colorado |
| 27 | Margret Hunteman | 16 | Daughter | — | Colorado |
| 28 | John D. Carpenter THIS PERSON | 34 | Head | Farmer | Kansas |
| 29 | Elna Carpenter | 30 | Wife | — | Kansas |
| 30 | John L. Carpenter | 4 | Son | — | Kansas |
| 31 | Marie Hummelgaard | 64 | Mother-in-law | — | Denmark |
| 32 | John H. Graff | 35 | Head | Farmer | Missouri |
| 33 | Geneva Graff | 40 | Wife | — | Missouri |
| 34 | Norman E. Wiley | 39 | Head | Farmer | Kansas |
| 35 | Stella B. Wiley | 41 | Wife | — | Kansas |
| 36 | Betty Wiley | 18 | Daughter | — | Kansas |
| 37 | Earl Wiley | 16 | Son | — | Kansas |
| 38 | Doris Wiley | 14 | Daughter | — | Kansas |
| 39 | Geraldine Wiley | 12 | Daughter | — | Kansas |
| 40 | Pearl Wiley | 10 | Daughter | — | Kansas |
Pedigree Summary
John
Gen 1 · 3 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)