JB
John Blackwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Elbert-County, Georgia
Our Model Tree links this John Blackwell across the 1920, 1930 and 1940 US Censuses in Elbert-County, Georgia (XGBoost, ~Confirmed), with identified parents Judge & Lizzie — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Elbert-County, Georgia |
| Surname | Blackwell |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hart |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | Goshen 201 |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Blackwell | Spouse | — | 28 | ~1912 |
| John Blackwell | Son | — | 6 | ~1934 |
| John Blackwell | Head | — | 32 | ~1908 |
| Annie Blackwell | Daughter | — | 8 | ~1932 |
Census Appearances
1920
Elbert, Georgia
Son, age 13
Elbert, Georgia · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Elbert, Georgia
Head, age 24
Elbert, Georgia · implied b. ~1906 — 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 | 24 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 21 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Veteran | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Elbert-County, Georgia
Head, age 32
Elbert-County, Georgia · implied b. ~1908 — 4 household members
| Surname | Blackwell |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Hart |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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. Identified parents: father Judge Blackwell (~0.92 confidence) and mother Lizzie Blackwell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Judge Blackwell
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Lizzie Blackwell
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Blackwell
Head · 1940 · age 32 · b. ~1908 · Georgia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Elbert-County, Georgia
Open full size
1940 US Federal Census — Elbert-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00669-00456)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leroy Rucker | 21 | Head | Farmer | Georgia |
| 2 | Sally Frances Rucker | 27 | Sister | — | Georgia |
| 3 | Dearine Rucker | 25 | Sister | — | Georgia |
| 4 | Irene Rucker | 25 | Sister | — | Georgia |
| 5 | Idell Rucker | 9 | Niece | — | Georgia |
| 6 | Willie D. Rucker | 8 | Nephew | — | Georgia |
| 7 | Janie Lee Rucker | 2 | Niece | — | Georgia |
| 8 | John Oliver Morrison | 33 | Head | — | Georgia |
| 9 | Rosalee Morrison | 27 | Wife | — | Georgia |
| 10 | John Henry Morrison | 12 | Son | — | Georgia |
| 11 | Miriam Hill Morrison | 10 | Son | — | Georgia |
| 12 | Joe Edward Morrison | 8 | Son | — | Georgia |
| 13 | Cordell Morrison | 6 | Son | — | Georgia |
| 14 | Alice Dean Morrison | 5 | Daughter | — | Georgia |
| 15 | James Thomas Morrison | 3 | Son | — | Georgia |
| 16 | Annie Bernice Morrison | 2 | Daughter | — | Georgia |
| 17 | George Frank H. Morrison | 0 | Son | — | Georgia |
| 18 | John E. Blackwell THIS PERSON | 32 | Head | Farmer | Georgia |
| 19 | Beatrice Blackwell | 28 | Wife | — | Georgia |
| 20 | Annie V. Blackwell | 8 | Daughter | — | Georgia |
| 21 | John Jr. Blackwell | 6 | Son | — | Georgia |
| 22 | Gus B. Daniel | 80 | Head | — | Georgia |
| 23 | Johnnie Cornelius Daniel | 69 | Wife | — | Georgia |
| 24 | William H. Bishop | 35 | Nephew | Supt. | Georgia |
| 25 | Abe Pouncy | 52 | Head | Farmer | Georgia |
| 26 | Janie L. Pouncy | 87 | Mother | — | Alabama |
| 27 | Colvard Bessie Pouncy | 57 | Sister | — | Georgia |
| 28 | Thelma Pouncy | 24 | Niece | — | Georgia |
| 29 | Maggie Conwell | 48 | Sister | — | Georgia |
| 30 | Joe Helton Conwell | 8 | Nephew | — | Georgia |
| 31 | D. T. Vaughan | 42 | Head | Farmer | Georgia |
| 32 | Elizabeth Vaughan | 36 | Wife | — | Georgia |
| 33 | Durrell J. Vaughan | 18 | Son | — | Georgia |
| 34 | Madge Vaughan | 16 | Daughter | — | Georgia |
| 35 | Mildred Vaughan | 11 | Daughter | — | Georgia |
| 36 | Helen Vaughan | 8 | Daughter | — | Georgia |
| 37 | Imogene Vaughan | 5 | Daughter | — | Georgia |
| 38 | Heck Martins | 51 | Head | Farmer | Georgia |
| 39 | Fannie Martins | 49 | Wife | — | S. Carolina |
| 40 | Ruby Nell Bolden | 12 | Grand daughter | — | Georgia |
Pedigree Summary
John
Gen 1 · 2 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)