JB
John Blair — 1920 US Census Record
Model Tree available1920 United States Federal Census · Douglas, Georgia
Our Model Tree links this John Blair across the 1900, 1910 and 1920 US Censuses in Douglas, Georgia (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a son (b.~1894), then head of a 6-person household.
Age 26
b. ~1894
Male
Son
Born: Georgia
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Douglas, Georgia |
| Surname | Blair |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | Salt Springs District |
| Est. Birth Year | ~1894 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Allen Blair | Daughter | — | 14 | ~1906 |
| Mary Blair | Daughter | — | 11 | ~1909 |
| Thomas Blair | Head | — | 58 | ~1862 |
| Eugene Blair | Son | — | 16 | ~1904 |
| John Blair | Son | — | 26 | ~1894 |
| Mary Blair | Spouse | — | 48 | ~1872 |
Census Appearances
1900
Douglas, Georgia
Son, age 8
Douglas, Georgia · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| Birth Month | May |
| Birth Year | 1892 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1910
Douglas, Georgia
Son, age 18
Douglas, Georgia · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
Douglas, Georgia
Son, age 26
Douglas, Georgia · implied b. ~1894 — 6 household members
| Surname | Blair |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Blair across 3 US Census years (1900, 1910 and 1920) in Douglas, Georgia, using XGBoost record linkage. Identified parents: father Thomas Blair (~0.92 confidence) and mother Mary Blair (~0.92 confidence) and mother Mary Blair (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Blair
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Blair
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Mary Blair
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Blair
Son · 1920 · age 26 · b. ~1894 · Georgia
★ You are viewing this record
Sibling
Allen Blair
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Blair
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Blair
Sibling · 1920 · age 16
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
1920 US Federal Census — Douglas, Georgia
Open full size
1920 US Federal Census — Douglas, Georgia
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu254unit:0690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Kate H. Nickel | 37 | Wife | — | Georgia |
| 52 | Joseph Humphries | 64 | — | — | Georgia |
| 53 | James Camp | 53 | Head | Farmer | Georgia |
| 54 | Cornelia Camp | 43 | Wife | — | Tennessee |
| 55 | Louella Camp | 19 | Daughter | — | Georgia |
| 56 | James Camp | 17 | Son | — | Georgia |
| 57 | Robert Camp | 16 | Son | — | Georgia |
| 58 | Lilly Camp | 14 | Daughter | — | Georgia |
| 59 | Freddie Camp | 11 | Son | — | Georgia |
| 60 | Wiley W. Strickland | 27 | Head | Farmer | Georgia |
| 61 | Beatrice Strickland | 23 | Wife | — | Georgia |
| 62 | Inez Strickland | 1 | Daughter | — | Georgia |
| 63 | Joseph J. Kelley | 53 | Head | Farmer | Georgia |
| 64 | Lula Kelley | 46 | Wife | — | Georgia |
| 65 | Alma Kelley | 23 | Daughter | Servant | Georgia |
| 66 | Will Kelley | 22 | Son | Laborer | Georgia |
| 67 | Emma Kelley | 21 | Daughter | Servant | Georgia |
| 68 | Alva Kelley | 19 | Daughter | Servant | Georgia |
| 69 | Albert Kelley | 18 | Son | — | Georgia |
| 70 | Harvey Kelley | 17 | Son | — | Georgia |
| 71 | Annie Kelley | 16 | Daughter | — | Georgia |
| 72 | Lewis Kelley | 14 | Son | — | Georgia |
| 73 | Frank Kelley | 12 | Son | — | Georgia |
| 74 | Vennie Kelley | 9 | Daughter | — | Georgia |
| 75 | Jos. Jr. Kelley | 8 | Son | — | Georgia |
| 76 | Harlen Kelley | 6 | Son | — | Georgia |
| 77 | Lucile Kelley | 5 | Daughter | — | Georgia |
| 78 | William Vineyard | 75 | Father-in-law | Laborer | Georgia |
| 79 | Hardy Richards | 45 | Head | Farmer | Georgia |
| 80 | Lilly Richards | 43 | Wife | — | Georgia |
| 81 | Pearl Richards | 24 | Daughter | — | Georgia |
| 82 | Annie L. Richards | 22 | Daughter | — | Georgia |
| 83 | Henry Richards | 20 | Son | — | Georgia |
| 84 | Mary J. Richards | 17 | Daughter | — | Georgia |
| 85 | Luther Richards | 15 | Son | — | Georgia |
| 86 | Kate Richards | 13 | Daughter | — | Georgia |
| 87 | Lois Richards | 11 | Daughter | — | Georgia |
| 88 | Birch Richards | 6 | Daughter | — | Georgia |
| 89 | Florance Richards | 1 | Daughter | — | Georgia |
| 90 | Felton Patton | 36 | Head | Farmer | Georgia |
| 91 | Kate Patton | 38 | Wife | — | South Carolina |
| 92 | Thelma Foster | 12 | Step-daughter | — | South Carolina |
| 93 | Robert Patton | 1 | Son | — | Georgia |
| 94 | Thomas J. Blair | 58 | Head | Farmer | Georgia |
| 95 | Mary E. Blair | 48 | Wife | — | Georgia |
| 96 | John J. Blair THIS PERSON | 26 | Son | Farmer | Georgia |
| 97 | Eugene B. Blair | 16 | Son | — | Georgia |
| 98 | Allen Blair | 14 | Daughter | — | Georgia |
| 99 | Mary B. Blair | 11 | Daughter | — | Georgia |
| 100 | James W. Strickland | 33 | Head | Farmer | Georgia |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)