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Isaac Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grady-County, Georgia
Our Model Tree links this Isaac Jones across the 1920, 1930 and 1940 US Censuses in Grady-County, Georgia (XGBoost, ~Confirmed), with identified parents Aaron & Willie — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grady-County, Georgia |
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Spring Hill - 1558 |
| 1935 Residence (County) | Grady |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Spring Hill 1558 |
| Est. Birth Year | ~1911 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Jones | Head | — | 29 | ~1911 |
| Mary Jones | Other | — | 10 | ~1930 |
| Nathaniel Jones | Son | — | 7 | ~1933 |
| Eva Jones | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Colquitt, Georgia
Son, age 8
Colquitt, Georgia · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| 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 |
1930
Lowndes, Georgia
Son, age 19
Lowndes, Georgia · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Saw Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Grady-County, Georgia
Head, age 29
Grady-County, Georgia · implied b. ~1911 — 4 household members
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Spring Hill - 1558 |
| 1935 Residence (County) | Grady |
| Occupation | Laborer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 55 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 Jones across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Aaron Jones (~0.92 confidence) and mother Willie Jones (~0.92 confidence) and mother Avenza Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Aaron Jones
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Willie Jones
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Avenza Jones
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Jones
Head · 1940 · age 29 · b. ~1911 · 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 — Grady-County, Georgia
Open full size
1940 US Federal Census — Grady-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00679-01022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeff Carker | 78 | Head | Farmer | Georgia |
| 2 | Bitha Ann J. Carker | 67 | Wife | — | Georgia |
| 3 | Beccie Davis | 13 | Grand | — | Georgia |
| 4 | Dute Davis | 7 | Grand | — | Georgia |
| 5 | Hiram Carker | 60 | Head | Farmer | Georgia |
| 6 | Mary Berry Carker | 58 | Wife | — | Georgia |
| 7 | Frank Carker | 24 | Son | Laborer | Georgia |
| 8 | Clarence Carker | 18 | Son | Laborer | Georgia |
| 9 | Ruthamae Carker | 16 | Dau | Laborer | Georgia |
| 10 | Lassie Williams | 8 | Grand | — | Georgia |
| 11 | Isaac Jones THIS PERSON | 29 | Head | Laborer | Georgia |
| 12 | Eva Mae M. Jones | 27 | Wife | Bean Picker | Georgia |
| 13 | Mary Louise Jones | 10 | Dau | — | Georgia |
| 14 | Nathaniel Jones | 7 | Son | — | Georgia |
| 15 | Henry J. Collins | 47 | Head | Carpenter | Georgia |
| 16 | Nancy B. Collins | 44 | Wife | — | Georgia |
| 17 | Lonie Collins | 17 | Dau | Clerk | Georgia |
| 18 | Frank Collins | 12 | Son | — | Georgia |
| 19 | Essie Mae Collins | 11 | Dau | — | Georgia |
| 20 | Jim Henry Collins | 25 | Son | Farmer | Georgia |
| 21 | M. Elizabeth Collins | 19 | Dau in L | — | Georgia |
| 22 | Willie James Collins | 40 | Head | Farmer | Georgia |
| 23 | Lottie P. Hunter Collins | 37 | Wife | — | Georgia |
| 24 | Sarah Myrtle Collins | 18 | Dau | — | Georgia |
| 25 | Marvin S. Logue | 46 | Head | Farmer | Georgia |
| 26 | Jessie Miller Logue | 40 | Wife | — | Georgia |
| 27 | David Afton Logue | 18 | Son | Farmer | Georgia |
| 28 | Ben Hill Logue | 16 | Son | Farmer | Georgia |
| 29 | Ella Bell Logue | 12 | Dau | — | Georgia |
| 30 | Dalvin Logue | 8 | Son | — | Georgia |
| 31 | Martha Logue | 6 | Dau | — | Georgia |
| 32 | Henry Jackson Willis | 36 | Head | — | Georgia |
| 33 | Hardie B. Willis | 64 | Brother | Farmer | Georgia |
| 34 | Cora Belle Willis | 57 | Sister in L | — | Georgia |
| 35 | Z. G. Willis | 17 | Nephew | Laborer | Georgia |
| 36 | Ellen Willis | 16 | Niece | — | Georgia |
| 37 | Ransom Dexter Tirella | 30 | Head | Farmer | Georgia |
| 38 | Rebecca M. Tirella | 25 | Wife | — | Georgia |
| 39 | Dorothy Sue Tirella | 3 | Dau | — | Georgia |
| 40 | Cary Willis Hicks | 25 | Head | Laborer | Georgia |
Pedigree Summary
Isaac
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 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)