JH
John Hickman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lincoln-County, Oklahoma
Our Model Tree links this John Hickman across the 1920, 1930 and 1940 US Censuses in Lincoln-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Ben & Edna — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Oklahoma |
| Surname | Hickman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Agra (town) |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | New Worker |
| Township / Ward | Agra Town |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| John Hickman | Son | — | 21 | ~1919 |
| Marion Hickman | Son | — | 23 | ~1917 |
| Ben Hickman | Head | — | 50 | ~1890 |
| Edna Hickman | Spouse | — | 44 | ~1896 |
| Helen Hickman | Daughter | — | 16 | ~1924 |
| Wilma Hickman | Daughter | — | 12 | ~1928 |
| Elmer Hickman | Son | — | 19 | ~1921 |
Census Appearances
1920
Lincoln, Oklahoma
Son, age 1
Lincoln, Oklahoma · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Lincoln, Oklahoma
Son, age 11
Lincoln, Oklahoma · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Lincoln-County, Oklahoma
Son, age 21
Lincoln-County, Oklahoma · implied b. ~1919 — 7 household members
| Surname | Hickman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Agra (town) |
| 1935 Residence (County) | Lincoln |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Hickman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ben Hickman (~0.92 confidence) and mother Edna Hickman (~0.92 confidence) and mother Endora Hickman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ben Hickman
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Edna Hickman
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Endora Hickman
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hickman
Son · 1940 · age 21 · b. ~1919 · Oklahoma
★ You are viewing this record
Sibling
Elmer Hickman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Hickman
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hickman
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Hickman
Sibling · 1940 · age 12
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 — Lincoln-County, Oklahoma
Open full size
1940 US Federal Census — Lincoln-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03306-00004)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ben H. Hickman | 50 | Head | Owner Operator | Arkansas |
| 2 | Edna Hickman | 44 | Wife | — | Arkansas |
| 3 | Marion Hickman | 23 | Son | Laborer | Oklahoma |
| 4 | John Hickman THIS PERSON | 21 | Son | New Worker | Oklahoma |
| 5 | Elmer Hickman | 19 | Son | New Worker | Oklahoma |
| 6 | Helen Hickman | 16 | Daughter | — | Oklahoma |
| 7 | Wilma Hickman | 12 | Daughter | — | Oklahoma |
| 8 | Tom W. Keagan | 75 | Head | — | Illinois |
| 9 | Charles H. Ross | 72 | Head | — | Indiana |
| 10 | Maude Ross | 52 | Wife | — | Kansas |
| 11 | Lester Anderson | 67 | Head | Veterinary | Missouri |
| 12 | Ellen Anderson | 61 | Wife | — | Missouri |
| 13 | Lonnie L. Anderson | 18 | Son | New Worker | Oklahoma |
| 14 | Charlena Griswold | 54 | Head | — | Missouri |
| 15 | Eugene Griswold | 16 | Son | — | Oklahoma |
| 16 | Mary Gene Griswold | 16 | Daughter | — | Oklahoma |
| 17 | Mary (Ab) Evans | 82 | Head | — | Missouri |
| 18 | Velma Evans | 45 | Daughter | — | Missouri |
| 19 | Eldridge Evans | 42 | Son | Press Man | Missouri |
| 20 | Vera Smith | 49 | Head | — | Missouri |
| 21 | Edwin Smith | 14 | Son | — | Oklahoma |
| 22 | Christine Smith | 10 | Daughter | — | Oklahoma |
| 23 | Marion Smith | 7 | Daughter | — | Oklahoma |
| 24 | George Freeman | 29 | Head | Mechanic | Missouri |
| 25 | Jane Freeman | 22 | Wife | — | Oklahoma |
| 26 | Melvin Freeman | 3 | Son | — | Oklahoma |
| 27 | Carolyn Freeman | 1 | Daughter | — | Oklahoma |
| 28 | Anice Dean | 66 | Head | — | Penn. |
| 29 | Frank Butler | 43 | Head | Owner Operator | Missouri |
| 30 | Edna Butler | 37 | Wife | Cook | In. Territory |
| 31 | Lawrence Butler | 19 | Son | — | Oklahoma |
| 32 | Faye Butler | 16 | Daughter | — | Oklahoma |
| 33 | Rosa Butler | 14 | Daughter | — | Oklahoma |
| 34 | Angus Butler | 13 | Son | — | Oklahoma |
| 35 | Nova Butler | 11 | Daughter | — | Oklahoma |
| 36 | Marqueta Butler | 4 | Daughter | — | Oklahoma |
| 37 | Kenneth Balch | 25 | Head | Laborer | Oklahoma |
| 38 | Ella Balch | 21 | Wife | — | Oklahoma |
| 39 | Kenneth Jr. Balch | 0 | Son | — | Oklahoma |
| 40 | Arthur J. Miller | 63 | Head | Merchant | Missouri |
Pedigree Summary
John + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)