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John Buchanan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Halifax-County, Virginia
Our Model Tree links this John Buchanan across the 1930 and 1940 US Censuses in Halifax-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Halifax-County, Virginia |
| Surname | Buchanan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Roanoke District |
| 1935 Residence (County) | Halifax |
| Additional Details | |
| Industry | S |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Roanoke District |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jane Buchanan | Daughter | — | 20 | ~1920 |
| Richard Buchanan | Son | — | 7 | ~1933 |
| Ruth Buchanan | Daughter | — | 10 | ~1930 |
| Blanch Buchanan | Daughter | — | 3 | ~1937 |
| Dorothy Buchanan | Daughter | — | 17 | ~1923 |
| John Buchanan | Son | — | 18 | ~1922 |
| Eddie Buchanan | Head | — | 40 | ~1900 |
| Stanley Buchanan | Son | — | 1 | ~1939 |
Census Appearances
1930
Halifax, Virginia
Son, age 8
Halifax, Virginia · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Halifax-County, Virginia
Son, age 18
Halifax-County, Virginia · implied b. ~1922 — 8 household members
| Surname | Buchanan |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Roanoke District |
| 1935 Residence (County) | Halifax |
| Industry | S |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Buchanan
Son · 1940 · age 18 · b. ~1922 · Virginia
★ You are viewing this record
Sibling
Stanley Buchanan
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Blanch Buchanan
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Buchanan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Buchanan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Buchanan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Buchanan
Sibling · 1940 · age 10
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 — Halifax-County, Virginia
Open full size
1940 US Federal Census — Halifax-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04267-00916)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eddie J Buchanan | 40 | Head | Farmer | Virginia |
| 42 | Jane Q Buchanan | 20 | Daughter | — | Virginia |
| 43 | John J Buchanan THIS PERSON | 18 | Son | — | Virginia |
| 44 | Dorothy B Buchanan | 17 | Daughter | — | Virginia |
| 45 | Ruth D Buchanan | 10 | Daughter | — | Virginia |
| 46 | Richard D Buchanan | 7 | Son | — | Virginia |
| 47 | Blanch M Buchanan | 3 | Daughter | — | Virginia |
| 48 | Stanley K Buchanan | 1 | Son | — | Virginia |
| 49 | Mattie E D Snead | 73 | Head | — | Virginia |
| 50 | Lafayette A Snead | 41 | Son | Farmer | Virginia |
| 51 | Johnnie E D Snead | 43 | Son | Farmer | Virginia |
| 52 | Lizzie F Snead | 31 | Wife | — | Virginia |
| 53 | Bettie B Snead | 5 | Daughter | — | Virginia |
| 54 | Henry W D Austin | 79 | Head | Farmer | Virginia |
| 55 | Delia E Austin | 71 | Wife | — | Virginia |
| 56 | Addie H Austin | 34 | Son | Laborer | Virginia |
| 57 | Katie I Austin | 24 | Wife | — | Virginia |
| 58 | Virginia E Austin | 6 | Daughter | — | Virginia |
| 59 | Willie L D Austin | 2 | Daughter | — | Virginia |
| 60 | Robert H D Buchanan | 46 | Head | Laborer | Virginia |
| 61 | Effie C Buchanan | 46 | Wife | — | Virginia |
| 62 | James G Buchanan | 22 | Daughter | — | Virginia |
| 63 | Haywood R Buchanan | 21 | Son | Laborer | Virginia |
| 64 | Elwyn S Buchanan | 17 | Daughter | — | Virginia |
| 65 | Charles R Buchanan | 15 | Son | — | Virginia |
| 66 | Thomas H Buchanan | 12 | Son | — | Virginia |
| 67 | Willie J D Cumbie | 43 | Head | Farmer | Virginia |
| 68 | Bessie G Cumbie | 29 | Wife | — | Virginia |
| 69 | Elender P Cumbie | 11 | Daughter | — | Virginia |
| 70 | Garland M Cumbie | 8 | Son | — | Virginia |
| 71 | Doris M Cumbie | 5 | Daughter | — | Virginia |
| 72 | John A Bliss | 35 | Lodger | Farmer | Virginia |
| 73 | Bert H D Watts | 38 | Head | Farmer | Virginia |
| 74 | Elizabeth M Watts | 24 | Wife | — | Virginia |
| 75 | Charlie T D Watts | 33 | Head | Farmer | Virginia |
| 76 | Rosa S Watts | 26 | Wife | — | Virginia |
| 77 | Sara A Watts | 5 | Daughter | — | Virginia |
| 78 | Christine C Watts | 3 | Daughter | — | Virginia |
| 79 | Jimmy H D Austin | 43 | Head | Farmer | Virginia |
| 80 | Daniel E Austin | 39 | Wife | — | Virginia |
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)