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John Bullock — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harper-County, Kansas
Our Model Tree links this John Bullock across the 1930 and 1940 US Censuses in Harper-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 13-person household.
Age 19
b. ~1921
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harper-County, Kansas |
| Surname | Bullock |
| Given Name | John H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Anthony City |
| 1935 Residence (County) | Harper |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Anthony City |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Clara Bullock | Spouse | — | 45 | ~1895 |
| John Bullock | Head | — | 62 | ~1878 |
| Robert Oliver | Other | — | 43 | ~1897 |
| Robert Bullock | Son | — | 3 | ~1937 |
| Anthony Bullock | Daughter | — | 8 | ~1932 |
| Mattie Bullock | Daughter | — | 6 | ~1934 |
| Pearl Bullock | Daughter | — | 16 | ~1924 |
| Veda Bullock | Daughter | — | 17 | ~1923 |
| Mary Bullock | Daughter | — | 11 | ~1929 |
| Donna Bullock | Daughter | — | 14 | ~1926 |
| L Bullock | Son | — | 23 | ~1917 |
| John Bullock | Son | — | 19 | ~1921 |
| Darly Bullock | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Harper, Kansas
Son, age 9
Harper, Kansas · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bullock |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Harper-County, Kansas
Son, age 19
Harper-County, Kansas · implied b. ~1921 — 13 household members
| Surname | Bullock |
| Given Name | John H. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Anthony City |
| 1935 Residence (County) | Harper |
| Class of Worker | 0 |
| Highest Grade | H-1 |
| 1935 Residence | Same Place |
| 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 Bullock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Bullock
Son · 1940 · age 19 · b. ~1921 · Kansas
★ You are viewing this record
Sibling
Veda Bullock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Bullock
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Bullock
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bullock
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
L Bullock
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Bullock
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mattie Bullock
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Bullock
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darly Bullock
Sibling · 1940 · age 8
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 — Harper-County, Kansas
Open full size
1940 US Federal Census — Harper-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01234-00156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald Adkisson | 2 | son | — | Kansas |
| 42 | Fleance Collins | 55 | Head | Trainer | Kentucky |
| 43 | Rosy Collins | 51 | Wife | — | Kansas |
| 44 | Earl L. Collins | 15 | son | — | Colorado |
| 45 | John H. Bullock | 62 | Head | Assistant Foreman | Kansas |
| 46 | Clara E. Bullock | 45 | Wife | — | Colorado |
| 47 | L. C. Bullock | 23 | son | Ice Puller | Kansas |
| 48 | John H. Jr. Bullock THIS PERSON | 19 | son | — | Kansas |
| 49 | Veda Bullock | 17 | Daughter | — | Kansas |
| 50 | Pearl Bullock | 16 | Daughter | — | Kansas |
| 51 | Donna Bullock | 14 | Daughter | — | Kansas |
| 52 | Mary Bullock | 11 | Daughter | — | Kansas |
| 53 | Darly Bullock | 8 | Daughter | — | Kansas |
| 54 | Anthony Bullock | 8 | Daughter | — | Kansas |
| 55 | Mattie Bullock | 6 | Daughter | — | Kansas |
| 56 | Robert Bullock | 3 | son | — | Kansas |
| 57 | Robert Oliver | 43 | son-in-law | Ice Puller | Colorado |
| 58 | Olie E. Hill | 54 | Head | Janitor | Missouri |
| 59 | Elean Hill | 22 | Daughter | — | Kansas |
| 60 | Frances Hill | 18 | Daughter | — | Kansas |
| 61 | E. Robert Hill | 21 | son | Painter | Kansas |
| 62 | Betty Hill | 18 | Daughter | — | Oklahoma |
| 63 | Willie Thompson | 45 | Head | Truck Driver | Louisiana |
| 64 | Dora B. Thompson | 36 | Wife | — | Kansas |
| 65 | Ben Horning | 39 | Head | Blacksmith | Kansas |
| 66 | Eugene Horning | 17 | son | — | Kansas |
| 67 | Ben Jr. Horning | 15 | son | — | Kansas |
| 68 | Charity Miller | 24 | Lodger | — | Kansas |
| 69 | Lewis T. Pray | 40 | Head | Laborer | Missouri |
| 70 | Mary Pray | 61 | Wife | — | Oklahoma |
| 71 | Emma B. Day | 38 | Head | — | Oklahoma |
| 72 | Gilbert Day | 19 | son | — | Kansas |
| 73 | Marie Day | 18 | Daughter | Housekeeper | Kansas |
| 74 | Adolph Day | 17 | son | — | Kansas |
| 75 | Dale Day | 16 | son | — | Kansas |
| 76 | Sarah Day | 14 | Daughter | — | Kansas |
| 77 | Jack Day | 13 | son | — | Kansas |
| 78 | Grace Thrasher | 36 | Head | Book Keeper & Stenographer | Kansas |
| 79 | Berly Maye Thrasher | 8 | Daughter | — | Kansas |
| 80 | Patricia Ann Thrasher | 5 | Daughter | — | Kansas |
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)