RT
Ralph Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Oklahoma
Our Model Tree links this Ralph Thompson across the 1920, 1930 and 1940 US Censuses in Marshall-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Price & Price — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Oklahoma |
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Laborer |
| Township / Ward | Willis Township |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Julia Thompson | Spouse | — | 49 | ~1891 |
| Ralph Thompson | Son | — | 26 | ~1914 |
| Lorene Thompson | Daughter | — | 19 | ~1921 |
| Price Thompson | Head | — | 59 | ~1881 |
| Doyle Thompson | Son | — | 15 | ~1925 |
| Leoda Thompson | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Marshall, Oklahoma
Son, age 5
Marshall, Oklahoma · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Marshall, Oklahoma
Son, age 16
Marshall, Oklahoma · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Marshall-County, Oklahoma
Son, age 26
Marshall-County, Oklahoma · implied b. ~1914 — 6 household members
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Marshall |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 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 Ralph Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Price Thompson (~0.92 confidence) and father Price Thompson (~0.92 confidence) and father Pryor Thompson (~0.92 confidence) and mother Eula Thompson (~0.92 confidence) and mother Jewell Thompson (~0.92 confidence) and mother Julia Thompson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Price Thompson
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Price Thompson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Pryor Thompson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Eula Thompson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Jewell Thompson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Julia Thompson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Thompson
Son · 1940 · age 26 · b. ~1914 · Oklahoma
★ You are viewing this record
Sibling
Lorene Thompson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doyle Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leoda Thompson
Sibling · 1940 · age 18
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 — Marshall-County, Oklahoma
Open full size
1940 US Federal Census — Marshall-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03311-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald Lee Thompson | 1 | Son | — | Oklahoma |
| 42 | Price R. Thompson | 59 | Head | Farmer | Texas |
| 43 | Julia M. Thompson | 49 | Wife | — | Texas |
| 44 | Ralph Thompson THIS PERSON | 26 | Son | Laborer | Oklahoma |
| 45 | Lorene Thompson | 19 | Daughter | — | Oklahoma |
| 46 | Leoda Thompson | 18 | Daughter | — | Oklahoma |
| 47 | Doyle Thompson | 15 | Son | — | Oklahoma |
| 48 | James O. Markham | 28 | Head | Farmer | Texas |
| 49 | Maurice F. Markham | 21 | Wife | — | Texas |
| 50 | Charlie Markham | 4 | Son | — | Oklahoma |
| 51 | Naomi Markham | 2 | Daughter | — | Oklahoma |
| 52 | Daniel F. Garg | 53 | Head | Farmer | Kentucky |
| 53 | Winnie Garg | 53 | Wife | — | Tennessee |
| 54 | Mary M. Garg | 18 | Daughter | — | Oklahoma |
| 55 | John H. Gunn | 58 | Head | Farmer | Tennessee |
| 56 | Julia H. Gunn | 55 | Wife | — | Indiana |
| 57 | Martin Gunn | 26 | Son | Laborer | Texas |
| 58 | Frances M. Gunn | 18 | Son | — | Oklahoma |
| 59 | Gordon Tutton | 22 | Head | — | Oklahoma |
| 60 | Elsie Tutton | 19 | Wife | — | Texas |
| 61 | Doyle Tutton | 1 | Son | — | Oklahoma |
| 62 | Riley D. Fly | 27 | Head | Farmer | Oklahoma |
| 63 | Margaret Fly | 23 | Wife | — | Oklahoma |
| 64 | La Vesta Fly | 7 | Daughter | — | Oklahoma |
| 65 | Corrine Fly | 5 | Daughter | — | Oklahoma |
| 66 | Jan Fly | 1 | Son | — | Oklahoma |
| 67 | Bethel A. Head | 40 | Head | Farmer | Oklahoma |
| 68 | Bethel A. Head | 45 | Wife | — | Texas |
| 69 | Holly Head | 15 | Son | — | Oklahoma |
| 70 | Bobby Head | 10 | Son | — | Oklahoma |
| 71 | Calvin D. Watkins | 41 | Head | Farmer | Oklahoma |
| 72 | Thelma D. Watkins | 33 | Wife | — | Texas |
| 73 | Milton Watkins | 19 | Son | Laborer | Oklahoma |
| 74 | Laura Watkins | 17 | Daughter | — | Oklahoma |
| 75 | Frank Watkins | 14 | Son | — | Oklahoma |
| 76 | Gladys Watkins | 12 | Daughter | — | Oklahoma |
| 77 | Charles Watkins | 9 | Son | — | Oklahoma |
| 78 | Mary Ruth Watkins | 2 | Daughter | — | Oklahoma |
| 79 | Martin M. Justice | 65 | Head | Farmer | Texas |
| 80 | Leona L. Justice | 32 | Wife | — | Texas |
Pedigree Summary
Ralph + 3 siblings
Gen 1 · 6 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)