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John Blackwell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Dekalb, Alabama
Our Model Tree links this John Blackwell across the 1910 and 1920 US Censuses in Dekalb, Alabama (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 8-person household.
Age 41
b. ~1879
Male
Head
Born: Alabama
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Dekalb, Alabama |
| Surname | Blackwell |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O A 93 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | Graham Beat |
| Est. Birth Year | ~1879 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Verna Blackwell | Daughter | — | 11 | ~1909 |
| Justin Blackwell | Son | — | 4 | ~1916 |
| Lester Blackwell | Son | — | 13 | ~1907 |
| Mary Blackwell | Spouse | — | 29 | ~1891 |
| Clarris Blackwell | Daughter | — | 9 | ~1911 |
| Mildred Blackwell | Daughter | — | 1 | ~1919 |
| John Blackwell | Head | — | 41 | ~1879 |
| Fred Blackwell | Son | — | 6 | ~1914 |
Census Appearances
1910
Dekalb, Alabama
Head, age 30
Dekalb, Alabama · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| Years Married | 6 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | Home farm |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Dekalb, Alabama
Head, age 41
Dekalb, Alabama · implied b. ~1879 — 8 household members
| Surname | Blackwell |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O A 93 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 2 US Census years (1910 and 1920) in Dekalb, Alabama, using XGBoost record linkage.
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This person
Anchor record
John Blackwell
Head · 1920 · age 41 · b. ~1879 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Dekalb, Alabama
Open full size
1920 US Federal Census — Dekalb, Alabama
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu12unit:0880)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Walter H Mccueless | 28 | Head | Farmer | Alabama |
| 52 | Nora M Mccueless | 23 | Wife | Laborer | Alabama |
| 53 | Ira A Mccueless | 5 | Son | — | Alabama |
| 54 | Joseph P Mccueless | 3 | Son | — | Alabama |
| 55 | James P Harris | 29 | Head | Farmer | Alabama |
| 56 | Delany Harris | 27 | Wife | Laborer | Alabama |
| 57 | Arby L Harris | 7 | Daughter | — | Alabama |
| 58 | Willie J Harris | 5 | Son | — | Alabama |
| 59 | Agnes Harris | 1 | Son | — | Alabama |
| 60 | Arthur A C Collins | 21 | Head | Farmer | Alabama |
| 61 | Sherley Collins | 19 | Wife | Laborer | Alabama |
| 62 | J D Collins | 2 | Son | — | Alabama |
| 63 | John L Cannon | 63 | Head | Farmer | South Carolina |
| 64 | Georgia A Cannon | 52 | Wife | — | Georgia |
| 65 | Joseph Blackwell | 45 | Head | Farmer | Georgia |
| 66 | Alice Blackwell | 40 | Wife | — | Georgia |
| 67 | Ruby A Blackwell | 6 | Daughter | — | Alabama |
| 68 | Sidney Blackwell | 42 | Head | Farmer | Alabama |
| 69 | Nancy J Blackwell | 37 | Wife | — | Alabama |
| 70 | Chester H Johnson | 26 | Head | Farmer | Alabama |
| 71 | Lillie S Johnson | 24 | Wife | — | Alabama |
| 72 | William M Johnson | 1 | Son | — | Alabama |
| 73 | Idger N Hendrick | 52 | Mother-in-law | — | Alabama |
| 74 | Jewell L Williamson | 21 | Head | Farmer | Alabama |
| 75 | Vada A Williamson | 19 | Wife | — | Virginia |
| 76 | Robert S Pollard | 58 | Head | Farmer | Alabama |
| 77 | Sarah A Pollard | 60 | Wife | Laborer | Alabama |
| 78 | Thelma Pollard | 8 | Daughter | — | Alabama |
| 79 | Sarah L Burns | 78 | Mother | — | Alabama |
| 80 | Thomas E Jenkins | 47 | Head | Farmer | Alabama |
| 81 | Nannie E Jenkins | 34 | Wife | Laborer | Georgia |
| 82 | Joseph P Jenkins | 15 | Son | Laborer | Tennessee |
| 83 | James B Jenkins | 8 | Son | Laborer | Tennessee |
| 84 | Ruby A Jenkins | 4 | Daughter | — | Tennessee |
| 85 | Justin G Jenkins | 2 | Son | — | Tennessee |
| 86 | Andrew J Davidson | 40 | Head | Farmer | Alabama |
| 87 | Nancy E Davidson | 37 | Wife | Laborer | Alabama |
| 88 | Earl J Davidson | 16 | Son | Laborer | Alabama |
| 89 | Myrtle P Davidson | 14 | Daughter | Laborer | Alabama |
| 90 | Roy H Davidson | 12 | Son | Laborer | Alabama |
| 91 | Chalmer C Davidson | 10 | Son | Laborer | Alabama |
| 92 | Gladys Davidson | 7 | Daughter | — | Alabama |
| 93 | John H Blackwell THIS PERSON | 41 | Head | Farmer | Alabama |
| 94 | Mary S Blackwell | 29 | Wife | Laborer | Alabama |
| 95 | Lester L Blackwell | 13 | Son | Laborer | Alabama |
| 96 | Verna E Blackwell | 11 | Daughter | Laborer | Alabama |
| 97 | Clarris B Blackwell | 9 | Daughter | Laborer | Alabama |
| 98 | Fred A Blackwell | 6 | Son | — | Alabama |
| 99 | Justin H Blackwell | 4 | Son | — | Alabama |
| 100 | Mildred M Blackwell | 1 | Daughter | — | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)