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John Blackwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Searcy-County, Arkansas
Our Model Tree links this John Blackwell across the 1920, 1930 and 1940 US Censuses in Searcy-County, Arkansas (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Searcy-County, Arkansas |
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Marshall Town |
| 1935 Residence (County) | Searcy |
| Additional Details | |
| Occupation | Clerk |
| Industry | General mdse |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | G 2 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Clerk |
| Township / Ward | Marshall Town |
| Est. Birth Year | ~1874 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Blackwell | Head | — | 66 | ~1874 |
| Mary Rizzo | Daughter | — | 18 | ~1922 |
| Corrie Blackwell | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Searcy, Arkansas
Other, age 46
Searcy, Arkansas · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Searcy, Arkansas
Head, age 56
Searcy, Arkansas · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 41 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Proprietor |
| Industry | General Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 200 |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Searcy-County, Arkansas
Head, age 66
Searcy-County, Arkansas · implied b. ~1874 — 3 household members
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Marshall Town |
| 1935 Residence (County) | Searcy |
| Occupation | Clerk |
| Industry | General mdse |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | G 2 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Blackwell 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 Blackwell
Head · 1940 · age 66 · b. ~1874 · Arkansas
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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 — Searcy-County, Arkansas
Open full size
1940 US Federal Census — Searcy-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00173-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | May Rumsey | 19 | Daughter | 0 | Arkansas |
| 2 | Ray Rumsey | 19 | Daughter | 0 | Arkansas |
| 3 | Leo Rumsey | 16 | Son | 0 | Arkansas |
| 4 | Waite Rumsey | 15 | Son | 0 | Arkansas |
| 5 | Janice Rumsey | 11 | Daughter | 0 | Arkansas |
| 6 | John Blackwell THIS PERSON | 66 | Head | Clerk | Tennessee |
| 7 | Corrie Blackwell | 57 | Wife | 0 | Arkansas |
| 8 | Mary Rizzo | 18 | Daughter | 0 | Ohio |
| 9 | — | None | — | — | — |
| 10 | Rufus Mays | 33 | Head | Miller | Arkansas |
| 11 | Ara Mays | 33 | Wife | 0 | Arkansas |
| 12 | Jerry Lee Mays | 11 | Daughter | 0 | Arkansas |
| 13 | Jimmie Ray Mays | 9 | Son | 0 | Arkansas |
| 14 | Georgia Nell Mays | 7 | Daughter | 0 | Arkansas |
| 15 | Billie Rufus Mays | 2 | Son | 0 | Arkansas |
| 16 | Altus Shillings | 33 | Head | Mechanic | Arkansas |
| 17 | Alta Shillings | 30 | Wife | Stenographer | Missouri |
| 18 | Paul Shillings | 9 | Son | 0 | Arkansas |
| 19 | J. H. Stephenson | 60 | Father-in-law | Salesman | Tennessee |
| 20 | Pauline Stephenson | 53 | Sister-in-law | 0 | Missouri |
| 21 | Brook Matthews | 22 | Head | Clerk | Arkansas |
| 22 | Veda Matthews | 23 | Wife | 0 | Arkansas |
| 23 | Virgle Windley | 23 | Head | Clerk | Arkansas |
| 24 | Cassie Windley | 21 | Wife | 0 | Arkansas |
| 25 | Jerry J. Windley | 2 | Son | 0 | Arkansas |
| 26 | L. T. Harness | 65 | Head | 0 | South Carolina |
| 27 | H. D. Stricker | 64 | Head | Miller | Arkansas |
| 28 | Claudie Stricker | 56 | Wife | 0 | Arkansas |
| 29 | Muriel Stricker | 21 | Daughter | Typist | Arkansas |
| 30 | Hophne Turney | 27 | Head | Mechanic | Arkansas |
| 31 | Madge Turney | 23 | Wife | 0 | Arkansas |
| 32 | W. A. Thimby | 74 | Head | Clerk | Tennessee |
| 33 | Gladys Thimby | 44 | Daughter | 0 | Arkansas |
| 34 | Mitchell Thimby | 45 | Grandson | Clerk | Arkansas |
| 35 | Helen Thimby | 16 | Granddaughter | 0 | Arkansas |
| 36 | Mack Thimby | 40 | Son | Attendant | Arkansas |
| 37 | Mack Jr. Thimby | 16 | Grandson | 0 | Arkansas |
| 38 | Luther Korns | 25 | Son-in-law | Clerk | Arkansas |
| 39 | Brooksie Nell Korns | 20 | Daughter | 0 | Arkansas |
| 40 | Ida B. Gates | 62 | Head | Housekeeper | Arkansas |
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)