JB
James Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clermont-County, Ohio
Our Model Tree links this James Brock across the 1930 and 1940 US Censuses in Clermont-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Brock |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Amelia |
| 1935 Residence (County) | Clermont |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Ohio |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Batavia Township |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Brock | Son | — | 8 | ~1932 |
| Oakley Brock | Son | — | 18 | ~1922 |
| Lester Brock | Son | — | 22 | ~1918 |
| Nell Brock | Daughter | — | 13 | ~1927 |
| James Brock | Son | — | 11 | ~1929 |
| Ethel Brock | Spouse | — | 40 | ~1900 |
| Woodrow Brock | Son | — | 20 | ~1920 |
| Elmer Brock | Head | — | 45 | ~1895 |
Census Appearances
1930
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Clermont-County, Ohio
Son, age 11
Clermont-County, Ohio · implied b. ~1929 — 8 household members
| Surname | Brock |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Amelia |
| 1935 Residence (County) | Clermont |
| Highest Grade | No 5 |
| 1935 Residence | Ohio |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 · Ohio
★ You are viewing this record
Sibling
Woodrow Brock
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nell Brock
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oakley Brock
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Brock
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Brock
Sibling · 1940 · age 22
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 — Clermont-County, Ohio
Open full size
1940 US Federal Census — Clermont-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03041-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter King | 34 | head | Laborer | Kentucky |
| 42 | Betty King | 23 | wife | — | Kentucky |
| 43 | Fred B. Messer | 63 | head | Postmaster | Ohio |
| 44 | Florence Messer | 60 | wife | — | Ohio |
| 45 | Lloyd A. Messer | 25 | son | Advertiser | Ohio |
| 46 | Clyde Brock | 27 | head | Mechanic | Kentucky |
| 47 | Mildred Brock | 26 | wife | Cutout Sticker | Ohio |
| 48 | Elmer Brock | 45 | head | Carpenter | Kentucky |
| 49 | Ethel Brock | 40 | wife | Seamstress | Kentucky |
| 50 | Lester Brock | 22 | son | Salesman | Kentucky |
| 51 | Woodrow Brock | 20 | son | Carpenter Help | Kentucky |
| 52 | Oakley Brock | 18 | son | C. C. C. | Kentucky |
| 53 | Nell Brock | 13 | daughter | — | Kentucky |
| 54 | James Brock THIS PERSON | 11 | son | — | Kentucky |
| 55 | Kenneth Brock | 8 | son | — | Kentucky |
| 56 | Robert Bessey | 30 | head | Butt Welder | Ohio |
| 57 | Pearl Bessey | 25 | wife | — | Ohio |
| 58 | Robert Bessey | 6 | son | — | Ohio |
| 59 | Albert Bessey | 4 | son | — | Ohio |
| 60 | Raymond Bessey | 2 | son | — | Ohio |
| 61 | John Scott | 35 | head | Shoe Work | Ohio |
| 62 | Delma Scott | 25 | wife | — | Ohio |
| 63 | John Scott | 63 | father | Laborer | Ohio |
| 64 | Cora Scott | 59 | mother | — | Ohio |
| 65 | Katherine Scott | 20 | sister | Clerking | Ohio |
| 66 | Segal Hamblen | 24 | head | Carpenter | Kentucky |
| 67 | Verna Hamblen | 23 | wife | — | Kentucky |
| 68 | Betty Inger | 18 | servant | Housework | Ohio |
| 69 | Carl Young | 23 | hired hand | Laborer | — |
| 70 | Emil Hagley | 55 | head | Machinist | Illinois |
| 71 | Mary Hagley | 49 | wife | — | Iowa |
| 72 | Frances Davis | 24 | daughter | Factory | Illinois |
| 73 | Patricia Ann Davis | 7 | granddaughter | — | Ohio |
| 74 | Isham Hamblen | 29 | head | Cement Mixer | Tennessee |
| 75 | Grace Hamblen | 30 | wife | — | Ohio |
| 76 | Thomas Faulkner | 14 | stepson | — | Ohio |
| 77 | Norma Lee Faulkner | 12 | stepdaughter | — | Ohio |
| 78 | Allen Faulkner | 9 | stepson | — | Ohio |
| 79 | Janet Faulkner | 5 | stepdaughter | — | Ohio |
| 80 | Martha Jean Brock | 5 | daughter | — | Ohio |
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)