CT
Clarence Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fulton-County, Illinois
Our Model Tree links this Clarence Thompson across the 1920, 1930 and 1940 US Censuses in Fulton-County, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Laura — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fulton-County, Illinois |
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Canton Twp. |
| 1935 Residence (County) | Fulton |
| Additional Details | |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 14 |
| Income (1939) | 112 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Canton Twp |
| Est. Birth Year | ~1920 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Shirley Thompson | Daughter | — | 4 | ~1936 |
| Helena Thompson | Daughter | — | 16 | ~1924 |
| Fred Thompson | Head | — | 41 | ~1899 |
| Clarence Thompson | Son | — | 20 | ~1920 |
| Fred Thompson | Son | — | 10 | ~1930 |
| Laura Thompson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Fulton, Illinois
Other, age
Fulton, Illinois · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence A |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Fulton, Illinois
Son, age 10
Fulton, Illinois · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Fulton-County, Illinois
Son, age 20
Fulton-County, Illinois · implied b. ~1920 — 6 household members
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Canton Twp. |
| 1935 Residence (County) | Fulton |
| Occupation | Laborer |
| Industry | N.Y.A. |
| Class of Worker | GW |
| Hours Worked | 14 |
| Income (1939) | 112 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Clarence Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Thompson (~0.92 confidence) and mother Laura Thompson (~0.92 confidence) and father Fred Thompson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Thompson
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Laura Thompson
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Fred Thompson
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
Clarence Thompson
Son · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Shirley Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Thompson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Thompson
Sibling · 1940 · age 16
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 — Fulton-County, Illinois
Open full size
1940 US Federal Census — Fulton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00805-00538)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frankie Frankovich | 58 | Wife | Clerk | Illinois |
| 2 | William Pribble | 56 | Head | Miner | Indiana |
| 3 | Myrtle Pribble | 55 | Wife | — | Illinois |
| 4 | Gerald Pribble | 26 | Son | Miner | Illinois |
| 5 | Harry Adams | 34 | Head | Trucking | Tennessee |
| 6 | Lois Adams | 31 | Wife | — | Missouri |
| 7 | Kyle Barkley | 37 | Head | Teacher | Illinois |
| 8 | Celeste Barkley | 32 | Wife | — | Illinois |
| 9 | Robert Eugene Barkley | 9 | Son | — | Illinois |
| 10 | Jerry Allen Barkley | 2 | Son | — | Illinois |
| 11 | William Elliott | 73 | Head | — | Pennsylvania |
| 12 | Frances Elliott | 62 | Wife | 0 | Illinois |
| 13 | Marion Elliott | 39 | Head | Machinist | Illinois |
| 14 | Lillie Elliott | 32 | Wife | — | Illinois |
| 15 | Janet Elliott | 4 | Daughter | — | Illinois |
| 16 | Harry F. Pittman | 68 | Father-in-law | Laborer | Illinois |
| 17 | Ray E. Pittman | 38 | Head | Laborer | Illinois |
| 18 | Daisy Pittman | 39 | Wife | — | Illinois |
| 19 | Jackie Ray Pittman | 14 | Son | — | Illinois |
| 20 | Robert R. Pittman | 9 | Son | — | Illinois |
| 21 | Fred R. Thompson | 41 | Head | Road Worker | Illinois |
| 22 | Laura Thompson | 46 | Wife | — | Illinois |
| 23 | Clarence Thompson THIS PERSON | 20 | Son | Laborer | Illinois |
| 24 | Helena Thompson | 16 | Daughter | 0 | Illinois |
| 25 | Fred Leroy Thompson | 10 | Son | — | Illinois |
| 26 | Shirley Thompson | 4 | Daughter | — | Illinois |
| 27 | Martin Wilbert | 82 | Head | — | Illinois |
| 28 | Mary L. Wilbert | 69 | Wife | — | Illinois |
| 29 | Elbert Cheatham | 62 | Head | Farmer | Missouri |
| 30 | Mary Cheatham | 57 | Wife | — | Illinois |
| 31 | Florence Cheatham | 25 | Daughter | — | Illinois |
| 32 | Eldon Myers | 21 | Hired hand | Farm Hand | Illinois |
| 33 | Richard Steig | 25 | Head | Laborer | Illinois |
| 34 | Loretta Steig | 24 | Wife | — | Illinois |
| 35 | Richard Steig | 2 | Son | — | Illinois |
| 36 | Norma Steig | 0 | Daughter | — | Illinois |
| 37 | Vivian Steig | 5 | Daughter | — | Illinois |
| 38 | C. H. Barnes | 73 | Head | Farmer | Illinois |
| 39 | Myrtle Barnes | 72 | Wife | — | Illinois |
| 40 | Elizabeth Shipley | 71 | Head | 0 | Ohio |
Pedigree Summary
Clarence + 3 siblings
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)