KC
Kenneth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Kenneth Clark across the 1910, 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents George & Mary — first a son (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Clark |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Philo Township |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Laborer |
| Industry | Township roads |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 405 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Philo Township |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Georgia Clark | Daughter | — | 16 | ~1924 |
| Robert Clark | Son | — | 17 | ~1923 |
| John Clark | Son | — | 20 | ~1920 |
| Mary Clark | Head | — | 55 | ~1885 |
| Florence Clark | Daughter | — | 14 | ~1926 |
| Kenneth Clark | Son | — | 30 | ~1910 |
| Victor Clark | Son | — | 34 | ~1906 |
Census Appearances
1910
Champaign, Illinois
Son, age
Champaign, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Kenneth J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 10
Champaign, Illinois · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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 20
Champaign, Illinois · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Kenneth J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| 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
Son, age 30
Champaign-County, Illinois · implied b. ~1910 — 7 household members
| Surname | Clark |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Philo Township |
| 1935 Residence (County) | Champaign |
| Occupation | Laborer |
| Industry | Township roads |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 405 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Kenneth 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
Kenneth Clark
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Florence Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Clark
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgia Clark
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clark
Sibling · 1940 · age 20
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 — 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-t0627-00766-00512)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys R. Grove | 33 | Wife | Housewife | Illinois |
| 2 | Robert W. Grove | 8 | Son | — | Illinois |
| 3 | Bernard I. Grove | 6 | Son | — | Illinois |
| 4 | Richard E. Godsell | 40 | Head | Farming | Illinois |
| 5 | Elizabeth A. Godsell | 35 | Wife | Housewife | Illinois |
| 6 | Ralph R. Godsell | 5 | Son | — | Illinois |
| 7 | William E. Godsell | 4 | Son | — | Illinois |
| 8 | Mary T. Godsell | 3 | Daughter | — | Illinois |
| 9 | Paul E. Godsell | 1 | Son | — | Illinois |
| 10 | Alvin J. Roerig | 52 | Head | Watch Maker | Illinois |
| 11 | Virginia M. Roerig | 36 | Wife | Housewife | Illinois |
| 12 | Thomas A. Roerig | 10 | Son | — | Illinois |
| 13 | Evans Groves | 65 | Head | Farming | Illinois |
| 14 | Maude Groves | 61 | Wife | Housewife | Illinois |
| 15 | Margaret Kearns | 63 | Sister-in-law | Retired Teacher | Illinois |
| 16 | Mary Clark | 55 | Head | Farming | Germany |
| 17 | Victor Clark | 34 | Son | Farming | Illinois |
| 18 | Kenneth Clark THIS PERSON | 30 | Son | Laborer | Illinois |
| 19 | John Clark | 20 | Son | Laborer | Illinois |
| 20 | Robert Clark | 17 | Son | Laborer | Illinois |
| 21 | Georgia Clark | 16 | Daughter | — | Illinois |
| 22 | Florence Clark | 14 | Daughter | — | Illinois |
| 23 | Edward E. Hunsburger | 52 | Head | Farming | Illinois |
| 24 | Luella Hunsburger | 18 | Daughter | At School | Illinois |
| 25 | Phyllis Hunsburger | 15 | Daughter | — | Illinois |
| 26 | Roy M. Clevenger | 23 | Head | Laborer | Illinois |
| 27 | Margaret L. Clevenger | 20 | Wife | Housewife | Illinois |
| 28 | Jackie D. Clevenger | 2 | Son | — | Illinois |
| 29 | Danny R. Clevenger | 1 | Grandson | — | Illinois |
| 30 | Connie L. Clevenger | 0 | Granddaughter | — | Illinois |
| 31 | Garfield Collins | 56 | Hired man | Laborer | Kentucky |
| 32 | Arthur E. Peters | 34 | Head | Farming | Illinois |
| 33 | Zayda V. Peters | 34 | Wife | Housewife | Illinois |
| 34 | Arthur F. Peters | 12 | Son | — | Illinois |
| 35 | Paul E. Peters | 10 | Son | — | Illinois |
| 36 | Marilyn A. Peters | 6 | Daughter | — | Illinois |
| 37 | Charles D. Peters | 1 | Son | — | Illinois |
| 38 | Orville A. Miller | 42 | Head | Mechanic | Arkansas |
| 39 | Neba M. Miller | 37 | Wife | Housewife | Illinois |
| 40 | Earle D. V. Miller | 18 | Son | Laborer | Illinois |
Pedigree Summary
Kenneth + 5 siblings
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)