JT
John Tracy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harper-County, Kansas
Our Model Tree links this John Tracy across the 1930 and 1940 US Censuses in Harper-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harper-County, Kansas |
| Surname | Tracy |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Harper |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Grant Township |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Tracy | Son | — | 22 | ~1918 |
| Donald Tracy | Other | — | 19 | ~1921 |
| Sally Tracy | Spouse | — | 44 | ~1896 |
| Ray Tracy | Son | — | 7 | ~1933 |
| Omer Tracy | Head | — | 48 | ~1892 |
| Omer Tracy | Son | — | 15 | ~1925 |
| Ruby Tracy | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Harper, Kansas
Son, age 12
Harper, Kansas · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Harper-County, Kansas
Son, age 22
Harper-County, Kansas · implied b. ~1918 — 7 household members
| Surname | Tracy |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Harper |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| 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 Tracy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Tracy
Son · 1940 · age 22 · b. ~1918 · Kansas
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Sibling
Ray Tracy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Tracy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Omer Tracy
Sibling · 1940 · age 15
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 — Harper-County, Kansas
Open full size
1940 US Federal Census — Harper-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01234-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | C. William Gould | 39 | Head | Farmer | Kansas |
| 2 | J. Faye Gould | 30 | Wife | — | Kansas |
| 3 | Richard Lee Gould | 5 | Son | — | Kansas |
| 4 | Philo O. Bears | 49 | Head | Farmer | Kansas |
| 5 | Mary E. Bears | 49 | Wife | — | Kentucky |
| 6 | Elizabeth A. Bears | 18 | Daughter | — | Kansas |
| 7 | William G. Bears | 17 | Son | — | Kansas |
| 8 | Clarence E. Bears | 15 | Son | — | Kansas |
| 9 | Dorothy J. Bears | 13 | Daughter | — | Kansas |
| 10 | Virginia M. Bears | 12 | Daughter | — | Kansas |
| 11 | Omer J. Tracy | 48 | Head | Farmer | Nebraska |
| 12 | Sally V. Tracy | 44 | Wife | — | Kansas |
| 13 | John E. Tracy THIS PERSON | 22 | Son | Farmer | Kansas |
| 14 | Omer Jr. Tracy | 15 | Son | — | Kansas |
| 15 | Ruby Tracy | 11 | Daughter | — | Kansas |
| 16 | Ray G. Tracy | 7 | Son | — | Kansas |
| 17 | Donald E. Tracy | 19 | Nephew | Farm Laborer | Kansas |
| 18 | George W. Botterff | 29 | Head | Farmer | Kansas |
| 19 | Frances E. Botterff | 25 | Wife | — | Kansas |
| 20 | Georgia Lee Botterff | 4 | Daughter | — | Kansas |
| 21 | John T. Switzer | 19 | Brother-in-law | Farm Helper | Kansas |
| 22 | William H. Drumright | 33 | Head | Farmer | Missouri |
| 23 | Eula C. Drumright | 29 | Wife | — | Kansas |
| 24 | R. Lee Drumright | 6 | Son | — | Kansas |
| 25 | Leonard L. Drumright | 4 | Son | — | Kansas |
| 26 | Roy Drumright | 3 | Son | — | Kansas |
| 27 | Emma E. Mayberry | 75 | Mother-in-law | — | Missouri |
| 28 | G. W. Mayberry | 58 | Brother-in-law | Farmer | Missouri |
| 29 | Elmer Huddleston | 54 | Head | Farmer | Kansas |
| 30 | Edna M. Huddleston | 34 | Wife | — | Kansas |
| 31 | Leora Huddleston | 30 | Daughter | — | Kansas |
| 32 | Elmer Huddleston | 18 | Son | Farm Helper | Kansas |
| 33 | Emma Huddleston | 16 | Daughter | — | Kansas |
| 34 | Lloyd R. Palmer | 27 | Head | Farmer | Kansas |
| 35 | Enid Bee Palmer | 24 | Wife | Office Clerk | Kansas |
| 36 | Ura H. Hostetler | 47 | Head | Farmer | Kansas |
| 37 | Della Hostetler | 42 | Wife | — | Kansas |
| 38 | William L. Hostetler | 19 | Son | — | Kansas |
| 39 | Thelma D. Hostetler | 17 | Daughter | — | Kansas |
| 40 | Albert B. Hostetler | 15 | Son | — | 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)