JG
John Grace — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Houston-County, Georgia
Our Model Tree links this John Grace across the 1930 and 1940 US Censuses in Houston-County, Georgia (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Houston-County, Georgia |
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Houston |
| Additional Details | |
| Occupation | Share cropper |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | No 2 |
| 1935 Residence | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Share Cropper |
| Township / Ward | M D 542 |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Willie Grace | Daughter | — | 13 | ~1927 |
| Lena Grace | Spouse | — | 21 | ~1919 |
| Martha Grace | Daughter | — | 10 | ~1930 |
| John Grace | Head | — | 35 | ~1905 |
| Annie Grace | Daughter | — | 11 | ~1929 |
| Jessie Grace | Son | — | 14 | ~1926 |
Census Appearances
1930
Houston, Georgia
Head, age 26
Houston, Georgia · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 20 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | RR Section |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Veteran | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Houston-County, Georgia
Head, age 35
Houston-County, Georgia · implied b. ~1905 — 6 household members
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Houston |
| Occupation | Share cropper |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | No 2 |
| 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 Grace across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Grace
Head · 1940 · age 35 · b. ~1905 · 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 — Houston-County, Georgia
Open full size
1940 US Federal Census — Houston-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00685-00094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Thomas | 24 | Head | Operator | Georgia |
| 2 | Lonatha Thomas | 24 | Wife | Laborer | Georgia |
| 3 | Mildred Thomas | 3 | Daughter | — | Georgia |
| 4 | Joseph Thomas | 1 | Son | — | Georgia |
| 5 | Melvin Thomas | 24 | Head | Operator | Georgia |
| 6 | Bertha Thomas | 22 | Wife | Laborer | Georgia |
| 7 | Esther Thomas | 1 | Daughter | — | Georgia |
| 8 | Eddie Thomas | 46 | Head | Operator | Georgia |
| 9 | Mattie Thomas | 39 | Wife | Laborer | Georgia |
| 10 | Julius Thomas | 23 | Son | Laborer | Georgia |
| 11 | Claude Thomas | 20 | Son | Laborer | Georgia |
| 12 | Daniel Thomas | 16 | Son | Laborer | Georgia |
| 13 | J. Hauler Thomas | 13 | Son | — | Georgia |
| 14 | Estella Thomas | 12 | Daughter | — | Georgia |
| 15 | Florence Thomas | 10 | Daughter | — | Georgia |
| 16 | Edward Thomas | 7 | Son | — | Georgia |
| 17 | Mentice Thomas | 5 | Daughter | — | Georgia |
| 18 | Willie M. Thomas | 2 | Daughter | — | Georgia |
| 19 | Velma Thomas | 24 | Head | Operator | Georgia |
| 20 | Ella Thomas | 25 | Wife | Laborer | Georgia |
| 21 | Eddie M. Thomas | 2 | Daughter | — | Georgia |
| 22 | M. D. Jr. Mccormick | 58 | Head | Operator | Georgia |
| 23 | Mary Mccormick | 54 | Wife | Laborer | Georgia |
| 24 | Willie Jordan | 20 | Head | Laborer | Georgia |
| 25 | Bill Jordan | 6 | Son | — | Georgia |
| 26 | Woodrow Mcdowell | 18 | Head | Laborer | Georgia |
| 27 | Lizzie Mcdowell | 60 | Mother | Laborer | Georgia |
| 28 | George Mcdowell | 32 | Brother | Laborer | Georgia |
| 29 | John Garter | 50 | Head | Laborer | Georgia |
| 30 | Alena Garter | 35 | Wife | Laborer | Georgia |
| 31 | Sarah Garter | 4 | Daughter | — | Georgia |
| 32 | Johnnie Garter | 1 | Son | — | Georgia |
| 33 | John Grace THIS PERSON | 35 | Head | Share Cropper | Georgia |
| 34 | Lena Grace | 21 | Wife | Laborer | Georgia |
| 35 | Jessie Grace | 14 | Son | Laborer | Georgia |
| 36 | Willie Grace | 13 | Daughter | — | Georgia |
| 37 | Annie Grace | 11 | Daughter | — | Georgia |
| 38 | Martha Grace | 10 | Daughter | — | Georgia |
| 39 | Lincoln Haywood | 49 | Head | Share Cropper | Georgia |
| 40 | Anna Haywood | 43 | Wife | Laborer | 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)