RT
Robert Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oklahoma-County, Oklahoma
Our Model Tree links this Robert Thompson across the 1920, 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Claude & Claud — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oklahoma-County, Oklahoma |
| Surname | Thompson |
| Given Name | Robert Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Edmond City |
| 1935 Residence (County) | Oklahoma |
| Additional Details | |
| Occupation | Automobile mechanic |
| Industry | Automobile Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Automobile Mechanic |
| Township / Ward | Edmond City |
| Est. Birth Year | ~1907 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Thompson | Head | — | 33 | ~1907 |
| John Thompson | Son | — | 1 | ~1939 |
| May Thompson | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Oklahoma, Oklahoma
Son, age 12
Oklahoma, Oklahoma · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Oklahoma, Oklahoma
Son, age 22
Oklahoma, Oklahoma · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 21 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Auto Mech |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Oklahoma-County, Oklahoma
Head, age 33
Oklahoma-County, Oklahoma · implied b. ~1907 — 3 household members
| Surname | Thompson |
| Given Name | Robert Lee |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Edmond City |
| 1935 Residence (County) | Oklahoma |
| Occupation | Automobile mechanic |
| Industry | Automobile Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 720 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Robert Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claude Thompson (~0.92 confidence) and father Claud Thompson (~0.92 confidence) and mother Lillie Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claude Thompson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Claud Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Lillie Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thompson
Head · 1940 · age 33 · b. ~1907 · 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 — Oklahoma-County, Oklahoma
Open full size
1940 US Federal Census — Oklahoma-County, Oklahoma
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-03317-00596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Minnie Williamson | 65 | Wife | 0 | Missouri |
| 42 | Fannie Williamson | 79 | Sister-in-law | 0 | Missouri |
| 43 | Harold G. Baas | 40 | Head | Manager | Illinois |
| 44 | Neva S. Baas | 37 | Wife | Bookkeeper | Oklahoma |
| 45 | Leroy G. Baas | 12 | Son | 0 | Oklahoma |
| 46 | Glenn E. Baas | 9 | Son | 0 | Oklahoma |
| 47 | Myrtle Robinson | 36 | Housekeeper | Housekeeper | Arkansas |
| 48 | A. H. Lemaster | 78 | Head | 0 | Tennessee |
| 49 | R. B. Brewster | 35 | Head | Sales Manager | Texas |
| 50 | Mollie Nona Brewster | 35 | Wife | 0 | Texas |
| 51 | Mollie Mae Brewster | 9 | Daughter | 0 | Oklahoma |
| 52 | Bobbie Ann Brewster | 7 | Daughter | 0 | Oklahoma |
| 53 | Hartman Smith | 46 | Head | Janitor | Kentucky |
| 54 | Essie Mae Smith | 41 | Wife | Assistant Cashier | Oklahoma |
| 55 | F. W. Maxwell | 55 | Head | Traveling Salesman | Texas |
| 56 | Ada Maxwell | 43 | Wife | 0 | Texas |
| 57 | Geneva Maxwell | 16 | Daughter | 0 | Oklahoma |
| 58 | Charlene Maxwell | 7 | Daughter | 0 | Oklahoma |
| 59 | Darla Jean Maxwell | 4 | Daughter | 0 | Oklahoma |
| 60 | Robert Lee Thompson THIS PERSON | 33 | Head | Automobile Mechanic | Nebraska |
| 61 | May R. Thompson | 32 | Wife | 0 | Oklahoma |
| 62 | John Bradley Thompson | 1 | Son | 0 | Oklahoma |
| 63 | Roy May | 37 | Head | Manager | Oklahoma |
| 64 | Clara M. May | 33 | Wife | 0 | Missouri |
| 65 | Dorothy May | 16 | Daughter | 0 | Oklahoma |
| 66 | Delores A. May | 14 | Son | 0 | Oklahoma |
| 67 | Irene May | 12 | Daughter | 0 | Oklahoma |
| 68 | Donald Elbert May | 3 | Son | 0 | Oklahoma |
| 69 | Troy Allen May | 1 | Son | 0 | Oklahoma |
| 70 | D. N. Mcgowan | 81 | Head | 0 | Illinois |
| 71 | Vella Mcgowan | 79 | Wife | 0 | Michigan |
| 72 | Perry Mcgowan | 51 | Son | Truck Driver | Iowa |
| 73 | Helen Maude Mcgowan | 43 | Daughter-in-law | 0 | Missouri |
| 74 | E. H. Reeder | 42 | Head | Stationary Engineer | Kansas |
| 75 | Edna Reeder | 35 | Wife | 0 | Oklahoma |
Pedigree Summary
Robert
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)