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Isaac Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bryan-County, Georgia
Our Model Tree links this Isaac Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Bryan-County, Georgia (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bryan-County, Georgia |
| Surname | Johnson |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Clyde |
| 1935 Residence (County) | Bryan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Turpentine |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 227 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Clyde |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Alice Johnson | Daughter | — | 7 | ~1933 |
| Lillie Johnson | Daughter | — | 4 | ~1936 |
| Isaac Johnson | Head | — | 30 | ~1910 |
| Psalms Johnson | Son | — | 1 | ~1939 |
| Author Johnson | Son | — | 3 | ~1937 |
| Genia Johnson | Son | — | 8 | ~1932 |
| Geola Johnson | Spouse | — | 24 | ~1916 |
Census Appearances
1910
Crawford, Georgia
Other, age 2
Crawford, Georgia · implied b. ~1908 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Isaac |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1920
Leon, Florida
Other, age 11
Leon, Florida · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Isaac |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Bryan, Georgia
Other, age 22
Bryan, Georgia · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Isaac |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Turpentine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Bryan-County, Georgia
Head, age 30
Bryan-County, Georgia · implied b. ~1910 — 7 household members
| Surname | Johnson |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Clyde |
| 1935 Residence (County) | Bryan |
| Occupation | Laborer |
| Industry | Turpentine |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 227 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| 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 Isaac Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac Johnson
Head · 1940 · age 30 · b. ~1910 · Georgia
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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 — Bryan-County, Georgia
Open full size
1940 US Federal Census — Bryan-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00644-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catheryn Butler | 7 | Daughter | — | Georgia |
| 42 | Queen Esther Smith | 47 | Head | — | Georgia |
| 43 | Ivy | 26 | Son | Farming | Georgia |
| 44 | Mary | 22 | Daughter | — | Georgia |
| 45 | Calvin Strickland | 23 | Lodger | Laborer | Georgia |
| 46 | Harse R Droy | 47 | Head | — | Georgia |
| 47 | Jane Droy | 75 | Wife | — | Georgia |
| 48 | Walter C Jones | 50 | Head | Turpentine | Georgia |
| 49 | Lucy Jones | 35 | Wife | — | Georgia |
| 50 | Peggy Jones | 8 | Daughter | — | Georgia |
| 51 | Stephen B Jones | 40 | Head | Turpentine | Georgia |
| 52 | Bessie V Jones | 36 | Wife | — | Georgia |
| 53 | Steve Jr Jones | 13 | Son | — | Georgia |
| 54 | Cecil N Jones | 10 | Son | — | Georgia |
| 55 | John Patterson | 73 | Head | Laborer | South Carolina |
| 56 | Melvin Brinson | 26 | Head | Laborer | Georgia |
| 57 | Essie Brinson | 25 | Wife | — | Georgia |
| 58 | Martha Brinson | 11 | Daughter | — | Georgia |
| 59 | Charles D Jones | 35 | Head | Turpentine | Georgia |
| 60 | Mildred Jones | 30 | Wife | — | Georgia |
| 61 | Lawrence A Jones | 10 | Son | — | Georgia |
| 62 | Charles H Jones | 7 | Son | — | Georgia |
| 63 | Ann L Jones | 2 | Daughter | — | Georgia |
| 64 | Virginia V Jones | 2 | Daughter | — | Georgia |
| 65 | Isaac Johnson THIS PERSON | 30 | Head | Laborer | Georgia |
| 66 | Geola Johnson | 24 | Wife | — | Georgia |
| 67 | Genia Johnson | 8 | Son | — | Georgia |
| 68 | Alice Lee Johnson | 7 | Daughter | — | Georgia |
| 69 | Lillie Mae Johnson | 4 | Daughter | — | Georgia |
| 70 | Author Lee Johnson | 3 | Son | — | Georgia |
| 71 | Psalms Johnson | 1 | Son | — | Georgia |
| 72 | Alon B Buckner | 28 | Head | Wood Rider | Georgia |
| 73 | Annie Bell Buckner | 26 | Wife | — | Georgia |
| 74 | Ouida Fay Buckner | 2 | Daughter | — | Georgia |
| 75 | James Lyons | 58 | Father-in-law | Truck Driver | Georgia |
| 76 | Boma Thomas | 66 | Head | Laborer | Georgia |
| 77 | Eula Thomas | 39 | Wife | — | Georgia |
| 78 | Boma Jr Thomas | 15 | Son | Laborer | Georgia |
| 79 | Oscar Thomas | 11 | Son | — | Georgia |
| 80 | Onnie Thomas | 8 | Daughter | — | Georgia |
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)