JB
John Buchanan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chickasaw-County, Mississippi
Our Model Tree links this John Buchanan across the 1920, 1930 and 1940 US Censuses in Chickasaw-County, Mississippi (XGBoost, ~Confirmed), with identified parents Percy & Tom — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chickasaw-County, Mississippi |
| Surname | Buchanan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Chickasaw |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 125 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Laborer |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gracie Buchanan | Spouse | — | 40 | ~1900 |
| John Buchanan | Son | — | 24 | ~1916 |
| Leona Buchanan | Daughter | — | 13 | ~1927 |
| Percy Buchanan | Head | — | 58 | ~1882 |
| Andrew Buchanan | Son | — | 23 | ~1917 |
Census Appearances
1920
Chickasaw, Mississippi
Son, age 4
Chickasaw, Mississippi · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Chickasaw, Mississippi
Son, age 16
Chickasaw, Mississippi · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Chickasaw-County, Mississippi
Son, age 24
Chickasaw-County, Mississippi · implied b. ~1916 — 5 household members
| Surname | Buchanan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | N |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Chickasaw |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 125 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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. Identified parents: father Percy Buchanan (~0.92 confidence) and father Tom Buchanan (~0.92 confidence) and father Tom Buchanan (~0.92 confidence) and mother Gracie Buchanan (~0.92 confidence) and mother Gracie Buchanan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Percy Buchanan
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Tom Buchanan
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Tom Buchanan
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Gracie Buchanan
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Gracie Buchanan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Buchanan
Son · 1940 · age 24 · b. ~1916 · Mississippi
★ You are viewing this record
Sibling
Leona Buchanan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Buchanan
Sibling · 1940 · age 23
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 — Chickasaw-County, Mississippi
Open full size
1940 US Federal Census — Chickasaw-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02013-00437)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gazette Gardner | 4 | Daughter | — | Mississippi |
| 2 | Maybelle Gardner | 0 | Daughter | — | Mississippi |
| 3 | Mose Johnson | 70 | Head | Laborer | Mississippi |
| 4 | Emily Johnson | 71 | Wife | Laborer | Mississippi |
| 5 | Lillie Emily Johnson | 15 | Daughter | Laborer | Mississippi |
| 6 | Alma Lee Johnson | 10 | Granddaughter | — | Mississippi |
| 7 | Percy Buchanan | 58 | Head | Laborer | Mississippi |
| 8 | Gracie Buchanan | 40 | Wife | Laborer | Mississippi |
| 9 | John H Buchanan THIS PERSON | 24 | Son | Laborer | Mississippi |
| 10 | Andrew L Buchanan | 23 | Son | Laborer | Mississippi |
| 11 | Leona Buchanan | 13 | Daughter | — | Mississippi |
| 12 | Mamie Wilson | 46 | Head | Laborer | Mississippi |
| 13 | H Elmo Wilson | 18 | Son | Laborer | Mississippi |
| 14 | Jimmie Wilson | 4 | Grandson | — | Mississippi |
| 15 | Dick Nathan | 41 | Head | Laborer | Mississippi |
| 16 | Nora Nathan | 63 | Mother | — | Mississippi |
| 17 | Gaston Pulliam | 20 | Nephew | Laborer | Mississippi |
| 18 | Queen Esther Pulliam | 17 | Niece | Laborer | Mississippi |
| 19 | Jimmie Mcintosh | 27 | Head | Laborer | Mississippi |
| 20 | Daisy Mcintosh | 24 | Wife | Laborer | Mississippi |
| 21 | James Graham | 39 | Head | Laborer | Mississippi |
| 22 | Elnora Graham | 36 | Wife | Laborer | Mississippi |
| 23 | Arthur Baldwin | 56 | Head | Laborer | Mississippi |
| 24 | Zola Baldwin | 42 | Wife | Laborer | Mississippi |
| 25 | Leo Baldwin | 19 | Son | Laborer | Mississippi |
| 26 | James Baldwin | 16 | Son | Laborer | Mississippi |
| 27 | John Daniel | 66 | Head | Laborer | Mississippi |
| 28 | Ada Daniel | 57 | Wife | Laborer | Mississippi |
| 29 | Bettie Graham | 80 | Head | — | Mississippi |
| 30 | Proffesor Hughes | 22 | Grandson | Laborer | Mississippi |
| 31 | Henry L Williams | 26 | Head | Laborer | Mississippi |
| 32 | Ethel Williams | 25 | Wife | Laborer | Mississippi |
| 33 | Claudine Williams | 5 | Daughter | — | Mississippi |
| 34 | Henry L Jr Williams | 4 | Son | — | Mississippi |
| 35 | Bonnie C Williams | 2 | Daughter | — | Mississippi |
| 36 | Joe A Williams | 1 | Son | — | Mississippi |
| 37 | Frank Townsend | 47 | Head | Laborer | Mississippi |
| 38 | Viola Townsend | 41 | Wife | Laborer | Mississippi |
| 39 | Willie Joe Townsend | 19 | Son | Laborer | Mississippi |
| 40 | George B Townsend | 16 | Son | Laborer | Mississippi |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)