JG
John Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Okmulgee-County, Oklahoma
Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Okmulgee-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Pete & Peter — first a son (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Okmulgee-County, Oklahoma |
| Surname | Gray |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Okmulgee |
| Additional Details | |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Laborer |
| Township / Ward | Morris |
| Est. Birth Year | ~1916 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Helen Gray | Daughter | — | 13 | ~1927 |
| Irene Gray | Daughter | — | 11 | ~1929 |
| Juanita Gray | Daughter | — | 16 | ~1924 |
| Naoma Gray | Daughter | — | 8 | ~1932 |
| Pete Gray | Head | — | 60 | ~1880 |
| Robert Gray | Son | — | 18 | ~1922 |
| John Gray | Son | — | 24 | ~1916 |
| Mary Gray | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Okmulgee, Oklahoma
Son, age 3
Okmulgee, Oklahoma · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Mother Tongue | English |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Okmulgee, Oklahoma
Son, age 14
Okmulgee, Oklahoma · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Okmulgee-County, Oklahoma
Son, age 24
Okmulgee-County, Oklahoma · implied b. ~1916 — 8 household members
| Surname | Gray |
| Given Name | John D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Okmulgee |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| 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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Pete Gray (~0.92 confidence) and father Peter Gray (~0.92 confidence) and mother Elizabeth Gray (~0.92 confidence) and mother Mary Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Pete Gray
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Peter Gray
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Gray
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Gray
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Gray
Son · 1940 · age 24 · b. ~1916 · Oklahoma
★ You are viewing this record
Sibling
Robert Gray
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Gray
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Gray
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naoma Gray
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Gray
Sibling · 1940 · age 11
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 — Okmulgee-County, Oklahoma
Open full size
1940 US Federal Census — Okmulgee-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03318-00577)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sammie Irene Shipley | 9 | Daughter | — | Oklahoma |
| 2 | Peggy Irene Shipley | 7 | Daughter | — | Oklahoma |
| 3 | Victor Ralph Shipley | 2 | Son | — | Oklahoma |
| 4 | William M. Gray | 58 | Father | — | Missouri |
| 5 | Pete S. Gray | 60 | Head | Farmer | Iowa |
| 6 | Mary E. Gray | 50 | Wife | — | Missouri |
| 7 | John D. Gray THIS PERSON | 24 | Son | Laborer | Oklahoma |
| 8 | Robert A. Gray | 18 | Son | New Worker | Oklahoma |
| 9 | Juanita M. Gray | 16 | Daughter | — | Oklahoma |
| 10 | Helen Louise Gray | 13 | Daughter | — | Oklahoma |
| 11 | Irene Arlene Gray | 11 | Daughter | — | Oklahoma |
| 12 | Naoma Jean Gray | 8 | Daughter | — | Oklahoma |
| 13 | Sarah E. Tephing | 65 | Head | — | Missouri |
| 14 | Budd Jameson | 44 | Head | — | Oklahoma |
| 15 | Maud L. Jameson | 37 | Wife | — | Arkansas |
| 16 | Austin A. Jameson | 16 | Son | — | Oklahoma |
| 17 | Lucille B. Jameson | 12 | Daughter | — | Oklahoma |
| 18 | Isabelle E. Jameson | 10 | Daughter | — | Oklahoma |
| 19 | Emma L. Wilson | 20 | Daughter | House Keeper | Oklahoma |
| 20 | Henry F. Holland | 65 | Head | — | Oklahoma |
| 21 | Ella M. Holland | 54 | Wife | — | Texas |
| 22 | James C. Fuller | 62 | Head | Farmer | Arkansas |
| 23 | Mary E. Fuller | 58 | Wife | — | Missouri |
| 24 | J. Ben Murrell | 65 | Head | — | Missouri |
| 25 | Nancy S. Murrell | 66 | Wife | — | Missouri |
| 26 | Charles E. Mackey | 57 | Head | Farmer | Texas |
| 27 | Bessie M. Mackey | 44 | Wife | — | Oklahoma |
| 28 | Camillus R. Brody | 60 | Head | Farm Laborer | Texas |
| 29 | Estella M. Brody | 52 | Wife | — | Missouri |
| 30 | Marvin L. Brody | 16 | Son | — | Oklahoma |
| 31 | Marguerite E. Brody | 16 | Daughter | — | Oklahoma |
| 32 | Geraldine Brody | 10 | Daughter | — | Oklahoma |
| 33 | James C. Satterfield | 46 | Head | — | Arkansas |
| 34 | Eva M. Satterfield | 39 | Wife | — | Arkansas |
| 35 | Q. Ray Satterfield | 20 | Son | New Worker | Arkansas |
| 36 | James E. Satterfield | 18 | Son | — | Arkansas |
| 37 | Betty Jane Satterfield | 5 | Daughter | — | Oklahoma |
| 38 | George B. Heriman | 56 | Head | Farmer | Missouri |
| 39 | Louisa Heriman | 52 | Wife | — | Arkansas |
| 40 | Lester Heriman | 21 | Son | Farm Laborer | Oklahoma |
Pedigree Summary
John + 5 siblings
Gen 1 · 4 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)