JB
John Brock — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cowley, Kansas
Our Model Tree links this John Brock across the 1910 and 1920 US Censuses in Cowley, Kansas (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Male
Son
Born: Kansas
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cowley, Kansas |
| Surname | Brock |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Atlanta City |
| Est. Birth Year | ~1908 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Brock | Head | — | 42 | ~1878 |
| Vallie Brock | Son | — | 16 | ~1904 |
| Ethel Brock | Daughter | — | 15 | ~1905 |
| Nellie Brock | Daughter | — | 10 | ~1910 |
| Veneta Brock | Daughter | — | 8 | ~1912 |
| Henry Brock | Son | — | 13 | ~1907 |
| Laura Brock | Spouse | — | 36 | ~1884 |
| John Brock | Son | — | 12 | ~1908 |
Census Appearances
1910
Cowley, Kansas
Son, age 3
Cowley, Kansas · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Cowley, Kansas
Son, age 12
Cowley, Kansas · implied b. ~1908 — 8 household members
| Surname | Brock |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 (1910 and 1920) in Cowley, Kansas, using XGBoost record linkage.
Show:
This person
Anchor record
John Brock
Son · 1920 · age 12 · b. ~1908 · Kansas
★ You are viewing this record
Sibling
Veneta Brock
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Brock
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vallie Brock
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Brock
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Brock
Sibling · 1920 · age 13
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
1920 US Federal Census — Cowley, Kansas
Open full size
1920 US Federal Census — Cowley, Kansas
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu528unit:0160)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wesley Jr Duncan | 3 | Son | — | Kansas |
| 2 | Will L Duncan | 1 | Son | — | Kansas |
| 3 | Robert C Bendfick | 27 | Head | Superintendent | Kansas |
| 4 | Jessie W Bendfick | 24 | Wife | — | Kansas |
| 5 | Ray E Easterling | 20 | Boarder | Bookkeeper | Illinois |
| 6 | Anderson L Crow | 67 | Head | Editor | Ohio |
| 7 | Lina P Crow | 58 | Wife | — | Ohio |
| 8 | John B Vasilopous | 34 | Lodger | Section Foreman | Greece |
| 9 | Oscar Chowning | 48 | Head | Road Master | Indiana |
| 10 | Samuel J Chowning | 24 | Son | Salesman | Illinois |
| 11 | Minnie J Chowning | 22 | Daughter | Saleslady | Illinois |
| 12 | Edward W Warren | 60 | Head | Doctor | Wisconsin |
| 13 | Mamie C Warren | 44 | Wife | — | Canada |
| 14 | Sterling F Warren | 17 | Son | — | Minnesota |
| 15 | Marcus L Duncan | 65 | Head | Janitor | Indiana |
| 16 | Mary E Duncan | 64 | Wife | — | Indiana |
| 17 | Harry H Duncan | 22 | Son | Well Driller | Oklahoma |
| 18 | Daphie L Duncan | 20 | Son | Laborer | Oklahoma |
| 19 | John G Murphy | 57 | Head | Carpenter | Ohio |
| 20 | Pearl C Murphy | 38 | Wife | — | Kansas |
| 21 | Francis I Murphy | 14 | Daughter | — | Kansas |
| 22 | Vernon A Murphy | 12 | Son | — | Kansas |
| 23 | Ellen Sample | 67 | Head | — | Indiana |
| 24 | Mary E Wheatley | 73 | Head | — | Tennessee |
| 25 | Laura J Wheatley | 50 | Daughter | — | Illinois |
| 26 | Edgar H Wheatley | 46 | Son | — | Illinois |
| 27 | Mary F Wheatley | 43 | Daughter | — | Illinois |
| 28 | William H Brock | 42 | Head | Exchange | Kansas |
| 29 | Laura F Brock | 36 | Wife | — | Kansas |
| 30 | Vallie E Brock | 16 | Son | — | Kansas |
| 31 | Ethel M Brock | 15 | Daughter | — | Kansas |
| 32 | Henry R Brock | 13 | Son | — | Kansas |
| 33 | John H Brock THIS PERSON | 12 | Son | — | Kansas |
| 34 | Nellie A Brock | 10 | Daughter | — | Kansas |
| 35 | Veneta E Brock | 8 | Daughter | — | Kansas |
| 36 | John S Snodgrass | 43 | Head | — | Kansas |
| 37 | Olive O Snodgrass | 32 | Wife | — | Kansas |
| 38 | Dorthea F Snodgrass | 6 | Daughter | — | Kansas |
| 39 | Aubrey J Snodgrass | 5 | Son | — | Kansas |
| 40 | William M Need | 69 | Head | — | Indiana |
| 41 | Malinda J Need | 65 | Wife | — | Indiana |
| 42 | Charles Need | 23 | Son | Team Driver | Kansas |
| 43 | Walter E Kingsley | 21 | Head | Oil Driller | Kansas |
| 44 | Nola O Kingsley | 19 | Wife | — | Kansas |
| 45 | Arthur L Katterman | 44 | Head | Team Driver | Kansas |
| 46 | Alice E Katterman | 35 | Wife | — | Kansas |
| 47 | Lillian L Katterman | 17 | Daughter | — | Kansas |
| 48 | Agnes A Katterman | 15 | Daughter | — | Kansas |
| 49 | Clarence A Katterman | 13 | Son | — | Kansas |
| 50 | Everett O Wooldridge | 26 | Head | Principal | Kansas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)