DC
Dorothy Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Dorothy Clark across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed), with identified parents Leslie & Leslie — first a daughter (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Clark |
| Given Name | Dorothy B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Occupation | registration clerk |
| Industry | registrar's office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 266 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Registration Clerk |
| Township / Ward | Champaign |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Clark | Daughter | — | 35 | ~1905 |
| Elinor Clark | Daughter | — | 30 | ~1910 |
| Leslie Clark | Head | — | 73 | ~1867 |
| Richard Clark | Son | — | 22 | ~1918 |
| Katharine Clark | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Champaign, Illinois
Daughter, age 15
Champaign, Illinois · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Daughter, age 25
Champaign, Illinois · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Daughter, age 35
Champaign-County, Illinois · implied b. ~1905 — 5 household members
| Surname | Clark |
| Given Name | Dorothy B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Occupation | registration clerk |
| Industry | registrar's office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 266 |
| Highest Grade | C 4 |
| 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 Dorothy Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leslie Clark (~0.92 confidence) and father Leslie Clark (~0.92 confidence) and father Leslie Clark (~0.92 confidence) and mother Katharine Clark (~0.92 confidence) and mother Katherine Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leslie Clark
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Leslie Clark
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Leslie Clark
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Katharine Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Katherine Clark
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Clark
Daughter · 1940 · age 35 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Elinor Clark
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Clark
Sibling · 1940 · age 22
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
38 people indexed on this census page (nara:1940:m-t0627-00765-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna Simmonson | 41 | Wife | Sales Lady | Illinois |
| 2 | Binford Simmonson | 20 | Son | Salesman | Illinois |
| 3 | Herschel Simmonson | 17 | Son | None | Illinois |
| 4 | Beverly Simmonson | 10 | Daughter | — | Illinois |
| 5 | Thelma Simmonson | 18 | Daughter | House Maid | Illinois |
| 6 | Edna Moore | 20 | Lodger | Sales Lady | Illinois |
| 7 | Kenneth Hoffman | 22 | Head | Servicing | Illinois |
| 8 | Claire M. Hoffman | 20 | Wife | Stenographer | Illinois |
| 9 | Unice Ponder | 55 | Head | — | Illinois |
| 10 | Leslie B. Clark | 73 | Head | — | Illinois |
| 11 | Katharine M. Clark | 60 | Wife | — | Illinois |
| 12 | Dorothy B. Clark THIS PERSON | 35 | Daughter | Registration Clerk | Illinois |
| 13 | Elinor Clark | 30 | Daughter | Sales Lady | Illinois |
| 14 | Richard L. Clark | 22 | Son | Salesman | Illinois |
| 15 | George Kellerhals | 58 | Head | None | Missouri |
| 16 | Mary Kellerhals | 36 | Wife | Sales Lady | Missouri |
| 17 | Florence Borman | 61 | Boarder | House Maid | Illinois |
| 18 | Hiram G. Frye | 74 | Head | — | Indiana |
| 19 | Ona Frye | 70 | Wife | — | Illinois |
| 20 | Maxwell M. Stinson | 38 | Head | Retail Clerk | Illinois |
| 21 | Mildred Stinson | 36 | Wife | — | Illinois |
| 22 | Richard Stinson | 12 | Son | — | Illinois |
| 23 | Dorothy Stinson | 10 | Daughter | — | Illinois |
| 24 | Arthur Kempke | 50 | Head | Machinist | Kansas |
| 25 | Charles Finifrock | 68 | Head | — | Illinois |
| 26 | Della Finifrock | 60 | Wife | — | Illinois |
| 27 | Harry Finifrock | 19 | Son | Painter | Illinois |
| 28 | R. B. Mccullough | 51 | Head | Mechanic | Illinois |
| 29 | Edith Mccullough | 54 | Wife | Lodging House Keeper | Illinois |
| 30 | Helen M. Stark | 24 | Lodger | Food Keeper | Illinois |
| 31 | Bernice Good | 30 | Lodger | Waitress | Illinois |
| 32 | Frank N. Parsons | 39 | Lodger | Bartender | Indiana |
| 33 | Juanita B. Parsons | 33 | Lodger | Milliner | Indiana |
| 34 | Beulah Parks | 31 | Lodger | Waitress | Missouri |
| 35 | Warren H. Goss | 27 | Head | Chemical Engineer | Oregon |
| 36 | Marie C. Goss | 28 | Wife | — | New York |
| 37 | Albert C. Goss | 2 | Son | — | Illinois |
| 38 | Cora Brady | 54 | Head | Seamstress | Illinois |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 5 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)