JB
John Buchanan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Haakon, South Dakota
Our Model Tree links this John Buchanan across the 1920, 1930 and 1940 US Censuses in Haakon, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 6-person household.
Age 49
b. ~1881
Male
Head
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Haakon, South Dakota |
| Surname | Buchanan |
| Given Name | John A. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 27 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Farmer |
| Township / Ward | Township 1 N R 25 E |
| Est. Birth Year | ~1881 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Lillie Buchanan | Other | — | 47 | ~1883 |
| Margaret Buchanan | Daughter | — | 21 | ~1909 |
| John Buchanan | Son | — | 19 | ~1911 |
| John Buchanan | Head | — | 49 | ~1881 |
| Helen Buchanan | Daughter | — | 17 | ~1913 |
| Alice Buchanan | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Haakon, South …
Head, age 39
Haakon, South Dakota · implied b. ~1881 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | Gen. Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Haakon, South …
Head, age 49
Haakon, South Dakota · implied b. ~1881 — 6 household members
| Surname | Buchanan |
| Given Name | John A. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 27 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Haakon-County, South …
Head, age 59
Haakon-County, South Dakota · implied b. ~1881 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buchanan |
| Given Name | J. T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Township 1N-25E |
| 1935 Residence (County) | Haakon |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 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 · 1930 · age 49 · b. ~1881 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Haakon, South Dakota
Open full size
1930 US Federal Census — Haakon, South Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2223unit:1045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A. Buchanan THIS PERSON | 49 | head | Farmer | Virginia |
| 2 | Lillie E. Buchanan | 47 | wife-H | None | Ohio |
| 3 | Margaret Buchanan | 21 | daughter | Teacher | South Dakota |
| 4 | John F. Buchanan | 19 | son | Laborer | South Dakota |
| 5 | Helen Buchanan | 17 | daughter | None | South Dakota |
| 6 | Alice Buchanan | 14 | daughter | None | South Dakota |
| 7 | Harry T. Peterson | 53 | head | Farmer | Iowa |
| 8 | Clarence A. Peterson | 31 | brother | Farmer | Iowa |
| 9 | John C. Peterson | 37 | brother | Farmer | Iowa |
| 10 | Helen E. Peterson | 35 | sister-H | None | Iowa |
| 11 | Sebastian Wojcik | 36 | head | Farmer | Poland |
| 12 | David R. Owens | 44 | head | Farmer | Minnesota |
| 13 | Julia E. Owens | 44 | wife-H | None | Iowa |
| 14 | Edward G. Owens | 19 | son | Laborer | South Dakota |
| 15 | Genevieve L. Owens | 17 | daughter | None | South Dakota |
| 16 | Matilda M. Owens | 13 | daughter | None | South Dakota |
| 17 | Matilda M. Owens | 78 | mother | None | Wisconsin |
| 18 | Theodore Peterson | 53 | head | Farmer | Denmark |
| 19 | Chris J. Bohl | 66 | head | Farmer | Denmark |
| 20 | Anna D. Bohl | 66 | wife-H | None | Denmark |
| 21 | Herbert M. Binsmore | 51 | head | Farmer | Illinois |
| 22 | Frank B. Binsmore | 20 | son | Laborer | South Dakota |
| 23 | Floyd G. Binsmore | 15 | son | Laborer | South Dakota |
| 24 | Ethel M. Binsmore | 13 | daughter | None | South Dakota |
| 25 | Christian K. Madsen | 58 | head | Rancher | Denmark |
| 26 | Carrie F. Madsen | 57 | wife-H | None | Denmark |
| 27 | Elsie M. Madsen | 21 | daughter | Teacher | South Dakota |
| 28 | Harry Schilling | 64 | head | Farmer | Germany |
| 29 | Lizzie Schilling | 60 | wife-H | None | Michigan |
| 30 | Lawrence E. Schilling | 8 | grand-son | None | South Dakota |
| 31 | Arvis E. Schilling | 6 | daughter | None | South Dakota |
| 32 | Joseph Schilling | 26 | son | Truck-Driver | Minnesota |
| 33 | Richard Schilling | 24 | son | Farmer | Minnesota |
| 34 | John E. Sohl | 50 | head | Farmer | Germany |
| 35 | Fred L. Sohl | 52 | brother | Farmer | Germany |
| 36 | Gunder Monson | 74 | head | Farmer | Norway |
| 37 | Louise Monson | 77 | wife-H | None | Norway |
| 38 | William J. Hansen | 73 | head | Rancher | Canada-Eng |
| 39 | Darrel B. Hansen | 25 | son | Laborer | South Dakota |
| 40 | Eldon P. Hansen | 23 | son | Laborer | South Dakota |
| 41 | Beatry E. Scott | 73 | sister-in-law | None | Iowa |
| 42 | Charles E. Root | 57 | head | Farmer | Sweden |
| 43 | John E. Eland | 33 | head | Proprietor | Missouri |
| 44 | Esther B. Eland | 28 | wife-H | None | South Dakota |
| 45 | Donald F. Eland | 6 | son | None | South Dakota |
| 46 | Alice M. Eland | 4 | daughter | None | South Dakota |
| 47 | Howard E. Eland | 1 | son | None | South Dakota |
| 48 | Oscar C. Gamble | 31 | brother-in-law | Laborer | South Dakota |
| 49 | Eugene Gamble | 26 | cousin | Laborer | Missouri |
| 50 | Charles E. Root | 45 | head | Laborer | South Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)