RT
Robert Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Robert Thompson across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Earl & George — first a head (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Thompson |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Adams Twp. |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Body + Fender Repairer |
| Industry | Automobile Repair |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 600 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Body + Fender Repairer |
| Township / Ward | Adams Twp |
| Est. Birth Year | ~1917 |
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 | — | 23 | ~1917 |
| Thomas Thompson | Son | — | 2 | ~1938 |
| Geraldine Thompson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Lucas, Ohio
Son, age 3
Lucas, Ohio · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Son, age 13
Lucas, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Head, age 23
Lucas-County, Ohio · implied b. ~1917 — 3 household members
| Surname | Thompson |
| Given Name | Robert L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Adams Twp. |
| 1935 Residence (County) | Lucas |
| Occupation | Body + Fender Repairer |
| Industry | Automobile Repair |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 600 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Earl Thompson (~0.92 confidence) and father George Thompson (~0.92 confidence) and mother Florence Thompson (~0.92 confidence) and mother Mabel Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Thompson
b. ~1896
Source father
● Household
· direct · ~0.92
Father
George Thompson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Florence Thompson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mabel Thompson
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Thompson
Head · 1940 · age 23 · b. ~1917 · Ohio
★ 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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03105-00036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claude L Friedleine | 45 | Head | Milk Driver | Tennessee |
| 2 | Celia Friedleine | 35 | Wife | — | Ohio |
| 3 | Edward J Fitzgerald | 40 | Head | Building Foreman | Pennsylvania |
| 4 | Martha Fitzgerald | 36 | Wife | — | Ohio |
| 5 | Phyllis Fitzgerald | 10 | Daughter | — | Ohio |
| 6 | Marilyn Fitzgerald | 4 | Daughter | — | Ohio |
| 7 | Jerome J Malak | 0 | Son | — | Ohio |
| 8 | John Stainbrook | 60 | Father-in-law | — | Wisconsin |
| 9 | Robert L Thompson THIS PERSON | 23 | Head | Body + Fender Repairer | Ohio |
| 10 | Geraldine Thompson | 21 | Wife | — | Ohio |
| 11 | Thomas L Thompson | 2 | Son | — | Ohio |
| 12 | Ernest Lehman | 31 | Head | Glass Worker | Ohio |
| 13 | Wilda Lehman | 26 | Wife | — | Michigan |
| 14 | Mary Jo Lehman | 1 | Daughter | — | Ohio |
| 15 | Charles W Zollars | 55 | Head | Laborer | Indiana |
| 16 | Margaret Zollars | 52 | Wife | — | Indiana |
| 17 | Leonard W Zollars | 31 | Son | Upholsterer | Indiana |
| 18 | Horace A Medley | 57 | Head | — | Missouri |
| 19 | Zelma Medley | 51 | Wife | Machine Operator | Missouri |
| 20 | Grace Medley | 25 | Daughter | Wire Taper | Missouri |
| 21 | Alice Kaminski | 48 | Daughter | — | Ohio |
| 22 | Louis H Wenzel | 43 | Head | Baker | Ohio |
| 23 | Mary Wenzel | 70 | Mother | — | Germany |
| 24 | William L Faulkner | 40 | Head | Truck Driver | Ohio |
| 25 | Ruth Faulkner | 35 | Wife | — | Ohio |
| 26 | Lee Faulkner | 17 | Son | — | Ohio |
| 27 | David Sheldon | 52 | Head | Mechanical Engineer | Michigan |
| 28 | Rebekah Sheldon | 47 | Wife | — | Michigan |
| 29 | Nancy Sheldon | 12 | Daughter | — | Ohio |
| 30 | Guido Munson | 34 | Head | Die Maker | Ohio |
| 31 | Helen Munson | 32 | Wife | — | Ohio |
| 32 | James Munson | 10 | Son | — | Ohio |
| 33 | Jerry Munson | 6 | Son | — | Ohio |
| 34 | Lloyd C Vanarsdall | 30 | Head | Treating + Tanning Hides | Louisiana |
| 35 | Elsie Vanarsdall | 36 | Wife | — | Kentucky |
| 36 | Thomas L Vanarsdall | 8 | Son | — | Ohio |
| 37 | Charles E Vanarsdall | 2 | Son | — | Ohio |
| 38 | Chester A Harris | 49 | Head | Packer | Ohio |
| 39 | Blanch Harris | 45 | Wife | — | Ohio |
| 40 | Maxwell Harris | 17 | Son | — | Ohio |
Pedigree Summary
Robert
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)