RC
Ruth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Brown-County, Illinois
Our Model Tree links this Ruth Clark across the 1920, 1930 and 1940 US Censuses in Brown-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, Illinois |
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt Sterling |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Mt Sterling |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Virginia Clark | Daughter | — | 21 | ~1919 |
| Ruth Clark | Daughter | — | 24 | ~1916 |
| Lola Clark | Daughter | — | 17 | ~1923 |
| James Clark | Head | — | 47 | ~1893 |
| Clifford Clark | Son | — | 19 | ~1921 |
| Laura Clark | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Brown, Illinois
Daughter, age 4
Brown, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Brown, Illinois
Daughter, age 14
Brown, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Brown-County, Illinois
Daughter, age 24
Brown-County, Illinois · implied b. ~1916 — 6 household members
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt Sterling |
| 1935 Residence (County) | Brown |
| Highest Grade | Hs 3 |
| 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 Ruth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Clark (~0.92 confidence) and father James Clark (~0.92 confidence) and mother Cora Clark (~0.92 confidence) and mother Laura Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Clark
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Clark
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Cora Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Laura Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Clark
Daughter · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Clifford Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Clark
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Clark
Sibling · 1940 · age 17
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 — Brown-County, Illinois
Open full size
1940 US Federal Census — Brown-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00761-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Harlow | 50 | Head | Farmer | Illinois |
| 42 | Pearl Harlow | 51 | Wife | — | Illinois |
| 43 | Dale Harlow | 23 | Son | Laborer | Illinois |
| 44 | Maggie Ruth | 73 | Mother-in-law | — | Missouri |
| 45 | Charles Ruth | 74 | Uncle | — | Illinois |
| 46 | Fred Miller | 43 | Head | Farmer | Illinois |
| 47 | Anna Miller | 39 | Wife | — | Illinois |
| 48 | Marietta Miller | 18 | Daughter | — | Illinois |
| 49 | Maxine Miller | 15 | Daughter | — | Illinois |
| 50 | Frederick Miller | 11 | Son | — | Illinois |
| 51 | Joan Miller | 9 | Daughter | — | Illinois |
| 52 | Patricia Miller | 5 | Daughter | — | Illinois |
| 53 | John Miller | 1 | Son | — | Illinois |
| 54 | Alex Carpenter | 78 | Head | — | Illinois |
| 55 | Charles Carpenter | 72 | Brother | — | Illinois |
| 56 | Albert Carpenter | 67 | Brother | — | Illinois |
| 57 | Frank Carpenter | 44 | Head | Section | Illinois |
| 58 | Katie Carpenter | 42 | Wife | — | Illinois |
| 59 | Lyndell Carpenter | 21 | Son | Mechanic | Illinois |
| 60 | Earl Lantz | 46 | Head | Dealer | Illinois |
| 61 | Ruth Lantz | 42 | Wife | — | Illinois |
| 62 | Bill Lantz | 13 | Son | — | Illinois |
| 63 | Harry Lantz | 9 | Son | — | Illinois |
| 64 | Herald Christener | 29 | Head | Mechanic | Illinois |
| 65 | Alta Christener | 27 | Wife | — | Illinois |
| 66 | Gene Christener | 6 | Son | — | Illinois |
| 67 | Janice Christener | 3 | Daughter | — | Illinois |
| 68 | Joe Adkins | 52 | Head | Farmer | Illinois |
| 69 | Elva Adkins | 46 | Wife | — | Illinois |
| 70 | Wilbur Adkins | 23 | Son | Radio Man | Illinois |
| 71 | Dorothy Adkins | 19 | Daughter | Operator | Illinois |
| 72 | Floyd Allison | 23 | Hired man | Laborer | Iowa |
| 73 | Shirley Dean | 64 | Head | Farmer | Illinois |
| 74 | Ayra Dean | 60 | Wife | — | Illinois |
| 75 | James Clark | 47 | Head | Farmer | Illinois |
| 76 | Laura Clark | 45 | Wife | — | Illinois |
| 77 | Ruth Clark THIS PERSON | 24 | Daughter | — | Illinois |
| 78 | Virginia Clark | 21 | Daughter | — | Illinois |
| 79 | Clifford Clark | 19 | Son | — | Illinois |
| 80 | Lola Clark | 17 | Daughter | — | Illinois |
Related Census Records
Pedigree Summary
Ruth + 3 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)