CT
Clarence Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mcdonough-County, Illinois
Our Model Tree links this Clarence Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Mcdonough-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mcdonough-County, Illinois |
| Surname | Thompson |
| Given Name | Clarence D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bethel Twp. |
| 1935 Residence (County) | McDonough |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 53 |
| Income (1939) | 37 |
| Highest Grade | S 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Bethel Twp |
| Est. Birth Year | ~1886 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Thompson | Daughter | — | 25 | ~1915 |
| Clarence Thompson | Head | — | 54 | ~1886 |
| Esther Thompson | Spouse | — | 56 | ~1884 |
Census Appearances
1910
Mcdonough, Illinois
Head, age 24
Mcdonough, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 5 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Mcdonough, Illinois
Head, age 35
Mcdonough, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence G. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mcdonough, Illinois
Head, age 44
Mcdonough, Illinois · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mcdonough-County, Illinois
Head, age 54
Mcdonough-County, Illinois · implied b. ~1886 — 3 household members
| Surname | Thompson |
| Given Name | Clarence D. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bethel Twp. |
| 1935 Residence (County) | McDonough |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 53 |
| Income (1939) | 37 |
| Highest Grade | S 8 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Clarence Thompson
Head · 1940 · age 54 · b. ~1886 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mcdonough-County, Illinois
Open full size
1940 US Federal Census — Mcdonough-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00839-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beulah May Harding | 12 | daughter | — | Illinois |
| 42 | Wanda Jean Harding | 8 | daughter | — | Illinois |
| 43 | Luella Fae Harding | 2 | daughter | — | Illinois |
| 44 | Delbert Dean Harding | 1 | son | — | Illinois |
| 45 | Sophia E. Barrett | 85 | head | — | Pennsylvania |
| 46 | Ella Blair | 67 | daughter | — | Illinois |
| 47 | Adolph Route | 65 | head | Farmer | Illinois |
| 48 | Nettie Route | 62 | wife | — | Illinois |
| 49 | Frank C. A. Cooper | 64 | head | Farmer | Illinois |
| 50 | Clara Cooper | 54 | wife | — | Illinois |
| 51 | Harris Feengle | 19 | foster daughter | Maid | Illinois |
| 52 | Dorris Switzer | 17 | niece | Waitress | Illinois |
| 53 | Clarence D. Thompson THIS PERSON | 54 | head | Farmer | Illinois |
| 54 | Esther Thompson | 56 | wife | — | Missouri |
| 55 | Elizabeth Thompson | 25 | daughter | Teacher | Illinois |
| 56 | Charles W. A. Bell | 57 | head | Farmer | Illinois |
| 57 | Lawrence W. Bell | 36 | son | Farmer | Illinois |
| 58 | Kenneth C. A. Bell | 34 | head | Farmer | Illinois |
| 59 | Nola Bell | 33 | wife | — | Illinois |
| 60 | William Bell | 12 | son | — | Illinois |
| 61 | Bonnie Bell | 7 | daughter | — | Illinois |
| 62 | Charles A. Sims | 83 | head | — | Illinois |
| 63 | Eliza Sims | 78 | wife | — | Illinois |
| 64 | Roscoe Sims | 46 | son | Farmer | Illinois |
| 65 | Otho J. Holstine | 27 | head | Farmer | Illinois |
| 66 | Dorothy Holstine | 22 | wife | — | Illinois |
| 67 | Eloise Holstine | 1 | daughter | — | Illinois |
| 68 | Carol G. Riggins | 21 | head | Farmer | Illinois |
| 69 | Esther M. Riggins | 19 | wife | — | Illinois |
| 70 | Roger Lee Riggins | 1 | son | — | Illinois |
| 71 | Walter E. Holstine | 16 | brother-in-law | — | Illinois |
| 72 | Mildred R. Holstine | 12 | sister-in-law | — | Illinois |
| 73 | Marjory E. Holstine | 9 | sister-in-law | — | Illinois |
| 74 | Arthur A. Shanks | 50 | head | Farmer | Illinois |
| 75 | Bessie Shanks | 47 | wife | — | Illinois |
| 76 | Delmer J. Shanks | 26 | son | Farm Labor | Illinois |
| 77 | Catherine Shanks | 17 | daughter | Saleslady | Illinois |
| 78 | Jesse Raymond | 52 | head | Farmer | Illinois |
| 79 | Mary A. Raymond | 42 | wife | — | Illinois |
| 80 | Vivian Raymond | 15 | daughter | — | Illinois |
Related Census Records
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)