JC
John Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jewell-County, Kansas
Our Model Tree links this John Clark across the 1910, 1920, 1930 and 1940 US Censuses in Jewell-County, Kansas (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jewell-County, Kansas |
| Surname | Clark |
| Given Name | John W. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Walnut twp |
| 1935 Residence (County) | Jewell |
| Additional Details | |
| Industry | U |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Walnut Twp |
| Est. Birth Year | ~1867 |
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 Clark | Head | — | 73 | ~1867 |
| Alfred Clark | Son | — | 31 | ~1909 |
| Lula Clark | Spouse | — | 67 | ~1873 |
Census Appearances
1910
Jewell, Kansas
Head, age 43
Jewell, Kansas · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Years Married | 20 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | General farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Jewell, Kansas
Head, age 52
Jewell, Kansas · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | General |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Jewell, Kansas
Head, age 63
Jewell, Kansas · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 22 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | West Virginia |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Jewell-County, Kansas
Head, age 73
Jewell-County, Kansas · implied b. ~1867 — 3 household members
| Surname | Clark |
| Given Name | John W. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Walnut twp |
| 1935 Residence (County) | Jewell |
| Industry | U |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Clark across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Clark
Head · 1940 · age 73 · b. ~1867 · Kansas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jewell-County, Kansas
Open full size
1940 US Federal Census — Jewell-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01236-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L. Hardman | 41 | head | Farmer | Kansas |
| 2 | Ethel L. Hardman | 41 | wife | — | Kansas |
| 3 | Kenneth W. Hardman | 18 | son | — | Kansas |
| 4 | Robert L. Hardman | 17 | son | — | Kansas |
| 5 | Warren S. Hardman | 15 | son | Farm Laborer | Kansas |
| 6 | Valera J. Hardman | 9 | dau | — | Kansas |
| 7 | Dallas B. Diehl | 34 | head | Farmer | Kansas |
| 8 | Hazel M. Diehl | 35 | wife | — | Kansas |
| 9 | Donald Leon Diehl | 12 | son | — | Nebraska |
| 10 | Noah C. Bailey | 51 | partner | Farmer | Nebraska |
| 11 | Grover Smith | 47 | head | Farmer | Missouri |
| 12 | Pearl L. Smith | 50 | wife | — | Nebraska |
| 13 | Carrol C. Smith | 22 | son | Farm Laborer | Kansas |
| 14 | Elton E. Smith | 17 | son | — | Kansas |
| 15 | Winifred J. Smith | 12 | dau | — | Kansas |
| 16 | Harlyn H. Smith | 6 | son | — | Kansas |
| 17 | Lyle M. Dow | 29 | head | Farmer | Nebraska |
| 18 | Nellie L. Dow | 24 | wife | — | Kansas |
| 19 | Danola M. Dow | 4 | dau | — | Kansas |
| 20 | Darrell E. Dow | 2 | son | — | Kansas |
| 21 | Melvin C. Dow | 0 | son | — | Kansas |
| 22 | Ernest J. Mcmillan | 67 | head | Farmer | Iowa |
| 23 | Rettie J. Mcmillan | 56 | wife | — | Kansas |
| 24 | Leo Winslow | 30 | head | Farmer | Kansas |
| 25 | Avis W. Winslow | 26 | wife | — | Kansas |
| 26 | Clarence H. Pixler | 52 | head | Farmer | Kansas |
| 27 | Bessie M. Pixler | 50 | wife | — | Iowa |
| 28 | Frank A. Naylor | 61 | head | Farmer | Pennsylvania |
| 29 | Mary V. Naylor | 55 | wife | — | Missouri |
| 30 | Paul E. Johnson | 39 | head | Farmer | Iowa |
| 31 | Optime Johnson | 34 | wife | — | Indiana |
| 32 | Walter Lee Johnson | 13 | son | — | Kansas |
| 33 | Ida Marie Johnson | 11 | dau | — | Kansas |
| 34 | Paul Bradley Johnson | 9 | son | — | Kansas |
| 35 | Arlene Dean Johnson | 6 | son | — | Kansas |
| 36 | Karen Gene Johnson | 3 | son | — | Kansas |
| 37 | Gary Joe Johnson | 1 | son | — | Kansas |
| 38 | John W. Clark THIS PERSON | 73 | head | — | Tennessee |
| 39 | Lula R. Clark | 67 | wife | — | Kansas |
| 40 | Alfred L. Clark | 31 | son | Farmer | 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)