JB
John Buchanan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this John Buchanan across the 1920, 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | Buchanan |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Additional Details | |
| Occupation | Engineer |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2450 |
| Highest Grade | H 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Engineer |
| Township / Ward | Evansville |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Buchanan | Head | — | 43 | ~1897 |
| Virginia Buchanan | Daughter | — | 16 | ~1924 |
| Emily Buchanan | Daughter | — | 7 | ~1933 |
| Margarette Buchanan | Daughter | — | 12 | ~1928 |
| James Buchanan | Son | — | 14 | ~1926 |
| June Buchanan | Daughter | — | 15 | ~1925 |
| Pearl Buchanan | Spouse | — | 41 | ~1899 |
| John Buchanan | Son | — | 18 | ~1922 |
| Martha Buchanan | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Vanderburgh, Indiana
Other, age 24
Vanderburgh, Indiana · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John L |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Occupation | Yes |
| Industry | Fireman |
| Class of Worker | Locomotive |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Vanderburgh, Indiana
Other, age 33
Vanderburgh, Indiana · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John L. |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 23 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Engineer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Vanderburgh-County, Indiana
Head, age 43
Vanderburgh-County, Indiana · implied b. ~1897 — 9 household members
| Surname | Buchanan |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Occupation | Engineer |
| Industry | Steam Rail Road |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2450 |
| Highest Grade | H 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Buchanan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Buchanan
Head · 1940 · age 43 · b. ~1897 · Indiana
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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 — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01113-00560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beverly Taylor | 2 | Daughter | — | Indiana |
| 2 | Clarence Besseny | 29 | Head | Manager | Indiana |
| 3 | Esther Besseny | 29 | Wife | — | Indiana |
| 4 | Everett Besseny | 22 | Brother | Buffer | Indiana |
| 5 | Raymond Gertrode | 32 | Lodger | Sander | Indiana |
| 6 | Leonard Fischer | 35 | Head | Superintendent | Canada |
| 7 | Beatrice Fischer | 25 | Wife | — | Kentucky |
| 8 | Harry Vrugge | 48 | Head | Machinist | Kentucky |
| 9 | Mollie Vrugge | 45 | Wife | — | Kentucky |
| 10 | John L. Buchanan THIS PERSON | 43 | Head | Engineer | Kentucky |
| 11 | Pearl Buchanan | 41 | Wife | — | Indiana |
| 12 | John Buchanan | 18 | Son | Draftsman | Indiana |
| 13 | Virginia Buchanan | 16 | Daughter | — | Indiana |
| 14 | June Buchanan | 15 | Daughter | — | Indiana |
| 15 | James E. Buchanan | 14 | Son | — | Indiana |
| 16 | Margarette Buchanan | 12 | Daughter | — | Indiana |
| 17 | Emily P. Buchanan | 7 | Daughter | — | Indiana |
| 18 | Martha J. Buchanan | 4 | Daughter | — | Indiana |
| 20 | Alvis Buckert | 32 | Head | Elec. Welder | Germany |
| 21 | Mary Buckert | 32 | Wife | — | Pennsylvania |
| 22 | James Buckert | 10 | Son | — | Pennsylvania |
| 23 | Albert Buckert | 3 | Son | — | Indiana |
| 24 | Mary E. Buckert | 1 | Daughter | — | Indiana |
| 25 | Mary White | 70 | Head | — | Indiana |
| 26 | John E. White | 37 | Son | — | Indiana |
| 27 | Thomas White | 32 | Son | Mail Carrier | Indiana |
| 28 | Frank White | 28 | Son | Suit Assembler | Indiana |
| 30 | George Greathouse | 56 | Head | Drug Salesman | Illinois |
| 31 | Pearl Greathouse | 53 | Wife | — | Indiana |
| 32 | Alvin Helmig | 44 | Head | Mail Carrier | Indiana |
| 33 | Charlotte Helmig | 43 | Wife | — | Indiana |
| 34 | Brenda M. Helmig | 14 | Daughter | — | Indiana |
| 36 | Ray Alburn | 52 | Head | Fireman | Indiana |
| 37 | Stella Alburn | 56 | Wife | — | Indiana |
| 38 | Edward Clark | 31 | Head | Laborer | Indiana |
| 39 | Margaret Clark | 35 | Wife | — | Indiana |
| 40 | Margaret Ann Clark | 4 | Daughter | — | Indiana |
Related Census Records
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)