JB
James Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Floyd-County, Georgia
Our Model Tree links this James Brock across the 1930 and 1940 US Censuses in Floyd-County, Georgia (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Floyd-County, Georgia |
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Everett Springs District |
| 1935 Residence (County) | Floyd |
| Additional Details | |
| Occupation | laborer |
| Industry | helper |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Everett Springs District |
| Est. Birth Year | ~1921 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Jennie Brock | Spouse | — | 35 | ~1905 |
| Irene Brock | Daughter | — | 14 | ~1926 |
| Jedia Brock | Son | — | 19 | ~1921 |
| Sam Brock | Head | — | 40 | ~1900 |
| Annie Brock | Daughter | — | 16 | ~1924 |
| James Brock | Son | — | 19 | ~1921 |
Census Appearances
1930
Floyd, Georgia
Son, age 9
Floyd, Georgia · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Floyd-County, Georgia
Son, age 19
Floyd-County, Georgia · implied b. ~1921 — 6 household members
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Everett Springs District |
| 1935 Residence (County) | Floyd |
| Occupation | laborer |
| Industry | helper |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| 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 James Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Brock
Son · 1940 · age 19 · b. ~1921 · Georgia
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Sibling
Annie Brock
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Brock
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jedia Brock
Sibling · 1940 · age 19
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
1940 US Federal Census — Floyd-County, Georgia
Open full size
1940 US Federal Census — Floyd-County, Georgia
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00672-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul D Duvall | 28 | Head | Laborer | Georgia |
| 2 | Allie Mae Duvall | 32 | Wife | Housekeeper | Georgia |
| 3 | Alfred Duvall | 15 | Son | Student | Georgia |
| 4 | Albert Duvall | 7 | Son | — | Georgia |
| 5 | Tramble Duvall | 5 | Son | — | Georgia |
| 6 | Carl Duvall | 3 | Son | — | Georgia |
| 7 | Octavia Duvall | 1 | Daughter | — | Georgia |
| 8 | John Laster | 44 | Head | Laborer | Georgia |
| 9 | Jamie Laster | 43 | Wife | Housewife | Georgia |
| 10 | John Jr. Laster | 15 | Son | At Home | Kentucky |
| 11 | Frank Laster | 12 | Son | — | Georgia |
| 12 | James Laster | 9 | Son | — | Georgia |
| 13 | Bobbie Joe Laster | 5 | Daughter | — | Georgia |
| 14 | Mary Lou Laster | 3 | Daughter | — | Georgia |
| 15 | Mary Laster | 79 | Mother | Retired | Georgia |
| 16 | Lee Sewell | 22 | Head | Laborer | Georgia |
| 17 | Carmon Sewell | 19 | Wife | Housekeeper | Georgia |
| 18 | Dorothy Sewell | 1 | Daughter | — | Georgia |
| 19 | Byrd Chastain | 28 | Head | Laborer | Georgia |
| 20 | Honie Chastain | 24 | Wife | Housekeeper | Georgia |
| 21 | C. W. Chastain | 5 | Son | — | Georgia |
| 22 | Billy Joe Chastain | 3 | Son | — | Georgia |
| 23 | Frances Chastain | 0 | Daughter | — | Georgia |
| 24 | Tom Waters | 32 | Head | Laborer | Georgia |
| 25 | Wilma Waters | 26 | Wife | Housekeeper | Georgia |
| 26 | Juanita Waters | 2 | Daughter | — | Georgia |
| 27 | Mills Savage | 65 | Head | Laborer | Georgia |
| 28 | Clara Savage | 58 | Wife | Housekeeper | Georgia |
| 29 | Lillian Savage | 23 | Son | Laborer | Georgia |
| 30 | Mary Walraven | 21 | Daughter | Housekeeper | Georgia |
| 31 | J. D. Milstead | 50 | Head | Laborer | Alabama |
| 32 | Ella Milstead | 52 | Wife | Housekeeper | Georgia |
| 33 | Sam Brock | 40 | Head | Laborer | Alabama |
| 34 | Jennie Brock | 35 | Wife | Housekeeper | Georgia |
| 35 | James Brock THIS PERSON | 19 | Son | Laborer | Georgia |
| 36 | Jedia Brock | 19 | Son | — | Georgia |
| 37 | Annie Mae Brock | 16 | Daughter | Work | Georgia |
| 38 | Irene Brock | 14 | Daughter | Student | 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)