GC
George Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this George Clark across the 1910, 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents George & Mary — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Clark |
| Given Name | George E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Sidney |
| Est. Birth Year | ~1908 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| George Clark | Head | — | 32 | ~1908 |
| Richard Clark | Son | — | 4 | ~1936 |
| Ada Clark | Spouse | — | 27 | ~1913 |
Census Appearances
1910
Champaign, Illinois
Son, age 2
Champaign, Illinois · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | George E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ger. |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Champaign, Illinois
Son, age 12
Champaign, Illinois · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | George E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Son, age 22
Champaign, Illinois · implied b. ~1908 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | George E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Head, age 32
Champaign-County, Illinois · implied b. ~1908 — 3 household members
| Surname | Clark |
| Given Name | George E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Champaign |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 George Clark across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Clark
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Clark
Head · 1940 · age 32 · b. ~1908 · Illinois
★ 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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00766-00805)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis L. Williams | 11 | Son | — | Illinois |
| 42 | Evelyn C. Williams | 9 | Daughter | — | Illinois |
| 43 | Tony Williams | 68 | Head | Trucking | Pennsylvania |
| 44 | Lulie Williams | 64 | Wife | — | Illinois |
| 45 | Edwin M. Rayford | 74 | Head | Premier Clerk | Illinois |
| 46 | Bertha M. Rayford | 64 | Wife | Farmer | Illinois |
| 47 | Duain Rayford | 22 | Son | — | Illinois |
| 48 | Mary Finnegan | 71 | Head | Laborer | Illinois |
| 49 | Edward W. Hord | 46 | Head | Laborer | Illinois |
| 50 | Blanche A. Hord | 43 | Wife | Laborer | Illinois |
| 51 | Robert L. Hord | 17 | Son | — | Illinois |
| 52 | Charles C. Bauders | 58 | Head | Laborer | Illinois |
| 53 | Gertrude Bauders | 63 | Wife | Farmer | Illinois |
| 54 | Weldon H. Thomas | 26 | Head | — | Missouri |
| 55 | Mary Thomas | 24 | Wife | Farmer | Illinois |
| 56 | Guy Reynolds | 59 | Brother-in-law | — | Illinois |
| 57 | Lee Harriett J. Reynolds | 14 | Neice | — | Illinois |
| 58 | Keith S. Reynolds | 27 | Head | — | Illinois |
| 59 | Oletha M. Reynolds | 20 | Wife | Section Hand | Illinois |
| 60 | Bell Rudicell | 70 | Head | — | Illinois |
| 61 | Howard M. Rudicell | 53 | Son | — | Illinois |
| 62 | William H. Provitt | 50 | Head | Farmer | Kentucky |
| 63 | Mittie Provitt | 39 | Wife | Helper | Tennessee |
| 64 | Marie H. Provitt | 16 | Daughter | — | Kentucky |
| 65 | Hattie R. Provitt | 15 | Daughter | — | Kentucky |
| 66 | James W. Provitt | 9 | Son | — | Illinois |
| 67 | Franklin Provitt | 7 | Son | — | Illinois |
| 68 | Garner Provitt | 7 | Son | — | Illinois |
| 69 | Ray Provitt | 3 | Son | — | Illinois |
| 70 | Hester Provitt | 1 | Daughter | — | Illinois |
| 71 | Lester Provitt | 1 | Son | — | Illinois |
| 72 | Larence M. Douglass | 29 | Head | Farmer | Illinois |
| 73 | Annabelle H. Douglass | 30 | Wife | — | Illinois |
| 74 | Donna J. Douglass | 0 | Daughter | — | Illinois |
| 75 | George E. Clark THIS PERSON | 32 | Head | Farmer | Illinois |
| 76 | Ada F. Clark | 27 | Wife | — | Illinois |
| 77 | Richard G. Clark | 4 | Son | — | Illinois |
| 78 | Edward J. Bowers | 59 | Head | Farmer | Kentucky |
| 79 | Jessie M. Bowers | 53 | Wife | — | Illinois |
| 80 | Edward F. Bowers | 20 | Son | — | Illinois |
Pedigree Summary
George
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)