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John Brock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pocahontas-County, West Virginia
Our Model Tree links this John Brock across the 1930 and 1940 US Censuses in Pocahontas-County, West Virginia (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 7-person household.
Age 79
b. ~1861
Male
Head
Born: West Virginia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, West Virginia |
| Surname | Brock |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Little Levels District |
| Est. Birth Year | ~1861 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gilbert Brock | Son | — | 45 | ~1895 |
| John Brock | Head | — | 79 | ~1861 |
| Adelene Brock | Daughter | — | 15 | ~1925 |
| Agnes Brock | Daughter | — | 13 | ~1927 |
| Nancy Brock | Other | — | 44 | ~1896 |
| Arlene Brock | Daughter | — | 16 | ~1924 |
| Carl Brock | Son | — | 20 | ~1920 |
Census Appearances
1930
Pocahontas, West …
Head, age 67
Pocahontas, West Virginia · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | West Virginia |
| Age at First Marriage | 25 |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Pocahontas-County, West …
Head, age 79
Pocahontas-County, West Virginia · implied b. ~1861 — 7 household members
| Surname | Brock |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | West Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pocahontas |
| Highest Grade | No 3 |
| 1935 Residence | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Brock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Brock
Head · 1940 · age 79 · b. ~1861 · West Virginia
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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 — Pocahontas-County, West Virginia
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1940 US Federal Census — Pocahontas-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04438-00873)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Beard | 66 | Head | Farmer | West Virginia |
| 42 | Charles Krimm|Krimmer | 67 | Head | Farmer | West Virginia |
| 43 | Bessie S Krimm|Krimmer | 52 | Wife | — | West Virginia |
| 44 | Virginia Krimm|Krimmer | 16 | Daughter | New Worker | West Virginia |
| 45 | Irene O Grimes | 74 | Head | — | West Virginia |
| 46 | John E Grimes | 29 | Son | Laborer | West Virginia |
| 47 | George P Shisler | 72 | Head | Farmer | West Virginia |
| 48 | Mary M Shisler | 72 | Wife | — | West Virginia |
| 49 | Walter S Dean | 41 | Head | Laborer | West Virginia |
| 50 | Zula Dean | 34 | Wife | — | West Virginia |
| 51 | Samuel Dean | 15 | Son | New Worker | West Virginia |
| 52 | Anna Bell Dean | 10 | Daughter | — | West Virginia |
| 53 | Lorene Dean | 8 | Daughter | — | West Virginia |
| 54 | Samuel C Dean | 64 | Father | Laborer | West Virginia |
| 55 | George A Hull | 56 | Head | Farmer | West Virginia |
| 56 | Florence M Hull | 61 | Wife | — | West Virginia |
| 57 | Alfred H Hull | 21 | Son | New Worker | West Virginia |
| 58 | Harrison W Hull | 84 | Brother | — | Virginia |
| 59 | John H Brock THIS PERSON | 79 | Head | — | West Virginia |
| 60 | Gilbert Brock | 45 | Son | Farmer | West Virginia |
| 61 | Nancy C Brock | 44 | Daughter-in-law | — | West Virginia |
| 62 | Carl W Brock | 20 | Son | Laborer | West Virginia |
| 63 | Arlene Brock | 16 | Daughter | New Worker | West Virginia |
| 64 | Adelene Brock | 15 | Daughter | New Worker | West Virginia |
| 65 | Agnes Brock | 13 | Daughter | — | West Virginia |
| 66 | Milton Vaughan | 39 | Head | Farmer | West Virginia |
| 67 | Mildred B Vaughan | 39 | Wife | — | Virginia |
| 68 | Henry M Vaughan | 16 | Son | New Worker | West Virginia |
| 69 | Nancy L Vaughan | 15 | Daughter | New Worker | West Virginia |
| 70 | Ruth Vaughan | 13 | Daughter | — | West Virginia |
| 71 | Veda Vaughan | 5 | Daughter | — | West Virginia |
| 72 | Mary J Vaughan | 2 | Daughter | — | West Virginia |
| 73 | Henry M Vaughan | 83 | Father | — | West Virginia |
| 74 | William Price | 30 | Step-son | Laborer | West Virginia |
| 75 | Charles Hollingsworth | 39 | Head | Laborer | West Virginia |
| 76 | Randa Hollingsworth | 32 | Wife | — | West Virginia |
| 77 | Melvin D Hollingsworth | 14 | Son | New Worker | West Virginia |
| 78 | Mary A Hollingsworth | 12 | Daughter | — | West Virginia |
| 79 | Madaline Hollingsworth | 9 | Daughter | — | West Virginia |
| 80 | William Hollingsworth | 7 | Son | — | West Virginia |
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)