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James Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Talladega-County, Alabama
Our Model Tree links this James Brock across the 1930 and 1940 US Censuses in Talladega-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 9-person household.
Age 11
b. ~1929
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Talladega-County, Alabama |
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Talladega |
| Additional Details | |
| Highest Grade | S 3 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Election Precinct 1 Lincoln |
| Est. Birth Year | ~1929 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Clarence Brock | Son | — | 9 | ~1931 |
| Bobbie Brock | Son | — | ~1940 | |
| Ophelia Brock | Daughter | — | 5 | ~1935 |
| Hattie Brock | Other | — | 55 | ~1885 |
| Edna Brock | Daughter | — | 7 | ~1933 |
| Horace Brock | Son | — | 2 | ~1938 |
| Jimmie Brock | Head | — | 33 | ~1907 |
| James Brock | Son | — | 11 | ~1929 |
| Clara Brock | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Talladega, Alabama
Son, age 2
Talladega, Alabama · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Talladega-County, Alabama
Son, age 11
Talladega-County, Alabama · implied b. ~1929 — 9 household members
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Talladega |
| Highest Grade | S 3 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 11 · b. ~1929 · Alabama
★ You are viewing this record
Sibling
Clarence Brock
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Brock
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Brock
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ophelia Brock
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobbie Brock
Sibling · 1940 · age
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 — Talladega-County, Alabama
Open full size
1940 US Federal Census — Talladega-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00081-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ristian Dobbins | 1 | Daughter | — | Alabama |
| 2 | Jimmie Brock | 33 | Head | Driller | Alabama |
| 3 | Clara Brock | 30 | Wife | — | Alabama |
| 4 | James Brock THIS PERSON | 11 | Son | — | Alabama |
| 5 | Clarence Brock | 9 | Son | — | Alabama |
| 6 | Edna Mae Brock | 7 | Daughter | — | Alabama |
| 7 | Ophelia Brock | 5 | Daughter | — | Alabama |
| 8 | Horace Brock | 2 | Son | — | Alabama |
| 9 | Bobbie Brock | 0 | Son | — | Alabama |
| 10 | Hattie Brock | 55 | Mother | — | Alabama |
| 11 | Lon George | 50 | Head | Farmer | Alabama |
| 12 | Julia George | 47 | Wife | — | Alabama |
| 13 | Huston George | 21 | Son | Driller | Alabama |
| 14 | Warnell George | 14 | Son | — | Alabama |
| 15 | L. V. George | 9 | Son | — | Alabama |
| 16 | Bernice Ruth George | 6 | Daughter | — | Alabama |
| 17 | Isabella Pembery | 57 | Head | Farmer | Alabama |
| 18 | Eunice Pembery | 17 | Daughter | — | Alabama |
| 19 | Olintia Pembery | 14 | Daughter | — | Alabama |
| 20 | Darkis Melvine Pembery | 4 | Grandson | — | Alabama |
| 21 | Darlis Wyvonia Pembery | 2 | Granddaughter | — | Alabama |
| 22 | Bob Ragland | 68 | Head | Farmer | Alabama |
| 23 | Mamie Ragland | 39 | Wife | — | Alabama |
| 24 | Darnell Ragland | 22 | Son | — | Alabama |
| 25 | Celala Ragland | 19 | Daughter | — | Alabama |
| 26 | Rita Grover | 35 | Head | — | Alabama |
| 27 | Clenton Grover | 7 | Son | — | Alabama |
| 28 | Jerline Grover | 6 | Daughter | — | Alabama |
| 29 | Marie Grover | 4 | Daughter | — | Alabama |
| 30 | Thomas Grover | 2 | Son | — | Alabama |
| 31 | Isaac Johnson | 40 | Head | Fishing | Alabama |
| 32 | Katie Johnson | 36 | Wife | — | Alabama |
| 33 | Fletcher Johnson | 19 | Son | Fishing | Alabama |
| 34 | Emma Mae Johnson | 16 | Daughter | — | Alabama |
| 35 | Eva Dean Johnson | 13 | Daughter | — | Alabama |
| 36 | Bonnie Johnson | 10 | Daughter | — | Alabama |
| 37 | Mary Johnson | 7 | Daughter | — | Alabama |
| 38 | Albert Johnson | 2 | Son | — | Alabama |
| 39 | Iray Orr | 30 | Head | Household | Alabama |
| 40 | Mary Lee Orr | 8 | Daughter | — | Alabama |
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)