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John Stewart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Okmulgee-County, Oklahoma
Our Model Tree links this John Stewart across the 1920, 1930 and 1940 US Censuses in Okmulgee-County, Oklahoma (XGBoost, ~Confirmed), with identified parents L & Hattie — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Okmulgee-County, Oklahoma |
| Surname | Stewart |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Okmulgee City |
| 1935 Residence (County) | Okmulgee |
| Additional Details | |
| Occupation | Chemist |
| Industry | Petroleum Research |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1811 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Chemist |
| Township / Ward | Okmulgee City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Stewart | Daughter | — | 9 | ~1931 |
| John Stewart | Head | — | 36 | ~1904 |
| Helen Stewart | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Okmulgee, Oklahoma
Son, age 16
Okmulgee, Oklahoma · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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 |
1930
Okmulgee, Oklahoma
Head, age 27
Okmulgee, Oklahoma · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 23 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Chemist |
| Industry | Refinery (oil) |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Okmulgee-County, Oklahoma
Head, age 36
Okmulgee-County, Oklahoma · implied b. ~1904 — 3 household members
| Surname | Stewart |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Okmulgee City |
| 1935 Residence (County) | Okmulgee |
| Occupation | Chemist |
| Industry | Petroleum Research |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1811 |
| Highest Grade | C 3 |
| 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 Stewart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father L Stewart (~0.92 confidence) and mother Hattie Stewart (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
L Stewart
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Hattie Stewart
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Stewart
Head · 1940 · age 36 · b. ~1904 · Oklahoma
★ You are viewing this record
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-t0627-03319-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Tarkington | 43 | Wife | Sales Lady | Missouri |
| 42 | Vacant Account Of Migration | None | — | — | — |
| 43 | Lucile M Freeman | 32 | Head | Beauty Operator | Oklahoma |
| 44 | John S Freeman | 47 | Husband | Automobile Salesman | Kentucky |
| 45 | John J Stewart THIS PERSON | 36 | Head | Chemist | Kansas |
| 46 | Helen I Stewart | 27 | Wife | Junior Clerk | Texas |
| 47 | Marilyn Ann Stewart | 9 | Daughter | — | Oklahoma |
| 48 | Bernard A Bradley | 36 | Head | Agent And Broker | Oklahoma |
| 49 | Helen R Bradley | 30 | Wife | — | Georgia |
| 50 | Bernard A Bradley | 7 | Son | — | Oklahoma |
| 51 | Jerry David Bradley | 6 | Son | — | Oklahoma |
| 52 | Robert R Bradley | 3 | Son | — | Oklahoma |
| 53 | Maurice G Clark | 62 | Head | — | Nebraska |
| 54 | Elinor N Clark | 62 | Wife | — | Missouri |
| 55 | Willie E Battle | 55 | Servant | House Maid | Alabama |
| 56 | Vacant Account Of Migration On Households | None | — | — | — |
| 57 | Vacant Account Of Migration On Households | None | — | — | — |
| 58 | Lawrence C Woodall | 55 | Head | Janitor | Kentucky |
| 59 | Aggie I Woodall | 51 | Wife | — | Kentucky |
| 60 | Aileen E Woodall | 15 | Daughter | — | Oklahoma |
| 61 | Henry G Smith | 71 | Head | Secretary | England |
| 62 | Louise M Smith | 62 | Wife | — | Iowa |
| 63 | James J Maroney | 72 | Head | — | Ohio |
| 64 | Mary E Maroney | 70 | Wife | — | Ohio |
| 65 | Annie E Maroney | 31 | Daughter | Legal Stenographer | Oklahoma |
| 66 | William H Candler | 71 | Head | — | Virginia |
| 67 | Pearl Q Candler | 45 | Wife | — | Missouri |
| 68 | Frederick A Candler | 17 | Son | Assistant | Oklahoma |
| 69 | Billie J Candler | 12 | Son | — | Oklahoma |
| 70 | Gloria G Candler | 6 | Daughter | — | Oklahoma |
| 71 | Patsy D Candler | 5 | Daughter | — | Oklahoma |
| 72 | Deloris J Wells | 30 | Daughter | New Worker | Oklahoma |
| 73 | Norma J Wells | 9 | Daughter | — | Oklahoma |
| 74 | Susan Pippin | 88 | Mother in law | — | Illinois |
| 75 | Frank J Snavely | 47 | Head | — | Kansas |
| 76 | Grace A Snavely | 47 | Wife | — | Kansas |
| 77 | John C Long | 72 | Head | — | Pennsylvania |
| 78 | Mary D Long | 58 | Wife | — | Missouri |
| 79 | James F Dewitt | 33 | Head | City Editor | Oklahoma |
| 80 | Ada Kay Dewitt | 29 | Wife | Printer | Texas |
Pedigree Summary
John
Gen 1 · 2 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)