HC
Howard Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Howard Clark across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Mary — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Clark |
| Given Name | Howard B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Philo Township |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Howard | Age | Birth yr |
|---|---|---|---|---|
| Terry Clark | Son | — | 3 | ~1937 |
| Howard Clark | Head | — | 30 | ~1910 |
| Anita Clark | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Champaign, Illinois
Son, age 10
Champaign, Illinois · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Howard B. |
| 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 | 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 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Howard B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 30
Champaign-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Clark |
| Given Name | Howard B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Philo Township |
| 1935 Residence (County) | Champaign |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 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 Howard Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clark
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Howard Clark
Head · 1940 · age 30 · b. ~1910 · 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-t0627-00766-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph H. Shirley | 47 | Head | Farmer | California |
| 42 | Mary T. Shirley | 43 | Wife | — | Illinois |
| 43 | Anna Longabaugh | 66 | Mother | — | Illinois |
| 44 | Howard B. Clark THIS PERSON | 30 | Head | Farmer | Illinois |
| 45 | Anita Clark | 31 | Wife | — | Illinois |
| 46 | Terry H. Clark | 3 | Son | — | Illinois |
| 47 | Leo F. Daly | 37 | Head | Farmer | Illinois |
| 48 | Ellen V. Daly | 36 | Wife | — | Illinois |
| 49 | Leo F. Jr. Daly | 11 | Son | — | Illinois |
| 50 | Mary Ann Daly | 10 | Daughter | — | Illinois |
| 51 | Paul V. Daly | 4 | Son | — | Illinois |
| 52 | Edward E. Pruitt | 66 | Head | Farmer | Illinois |
| 53 | Elva E. Pruitt | 66 | Wife | — | Ohio |
| 54 | John L. Shepherd | 65 | Head | Retired Farmer | Ohio |
| 55 | Josie Shepherd | 67 | Sister | — | Ohio |
| 56 | Roy C. Williams | 40 | Head | Farmer | Illinois |
| 57 | Ethel M. Williams | 38 | Wife | — | Ohio |
| 58 | Velma Williams | 18 | Daughter | — | Illinois |
| 59 | Willard Athearn | 43 | Head | Farmer | Illinois |
| 60 | Mayme Athearn | 47 | Wife | — | Illinois |
| 61 | Ollie V. Athearn | 16 | Daughter | — | Illinois |
| 62 | Richard W. Athearn | 12 | Son | — | Illinois |
| 63 | Patricia J. Athearn | 11 | Daughter | — | Illinois |
| 64 | Harlan Conley | 17 | Hired man | Laborer | Kentucky |
| 65 | Lydia Bold | 63 | Head | Farmer | Ohio |
| 66 | Charles F. Bold | 41 | Son | Farmer | Illinois |
| 67 | David D. Burr | 42 | Head | Farmer | Illinois |
| 68 | Leona H. Burr | 35 | Wife | — | Illinois |
| 69 | Ted O. Burr | 13 | Son | — | Illinois |
| 70 | Billie D. Burr | 11 | Son | — | Illinois |
| 71 | Nancy J. Burr | 9 | Daughter | — | Illinois |
| 72 | Patrick H. Lawson | 41 | Head | Farmer | Illinois |
| 73 | Mildred C. Lawson | 36 | Wife | — | Illinois |
| 74 | Lyle E. Lawson | 12 | Son | — | Illinois |
| 75 | Maurice W. Lawson | 9 | Son | — | Illinois |
| 76 | Betty Jane Lawson | 0 | Daughter | — | Illinois |
| 77 | John G. Sappenfield | 33 | Head | Farmer | Illinois |
| 78 | Helen G. Sappenfield | 28 | Wife | — | Illinois |
| 79 | Carol D. Sappenfield | 5 | Daughter | — | Illinois |
| 80 | Delmar Sappenfield | 2 | Son | — | Illinois |
Pedigree Summary
Howard
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)