RC
Ruth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mitchell-County, Iowa
Our Model Tree links this Ruth Clark across the 1920, 1930 and 1940 US Censuses in Mitchell-County, Iowa (XGBoost, ~Confirmed), with identified parents Leon & Anna — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mitchell-County, Iowa |
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mitchell |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Orchard |
| Est. Birth Year | ~1919 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Clark | Daughter | — | 21 | ~1919 |
| Mildred Clark | Daughter | — | 15 | ~1925 |
| Anna Clark | Head | — | 47 | ~1893 |
| Eugene Clark | Son | — | 17 | ~1923 |
| Robert Clark | Son | — | 21 | ~1919 |
Census Appearances
1920
Mitchell, Iowa
Daughter, age
Mitchell, Iowa · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Mitchell, Iowa
Daughter, age 11
Mitchell, Iowa · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruth L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Mitchell-County, Iowa
Daughter, age 21
Mitchell-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Clark |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mitchell |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Leon Clark (~0.92 confidence) and mother Anna Clark (~0.92 confidence) and mother Irma Clark (~0.92 confidence) and mother Ruby Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leon Clark
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Anna Clark
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Irma Clark
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Ruby Clark
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Clark
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Eugene Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clark
Sibling · 1940 · age 21
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 — Mitchell-County, Iowa
Open full size
1940 US Federal Census — Mitchell-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01183-00889)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Dodge | 42 | Head | Farmer | Iowa |
| 2 | Pauline Dodge | 41 | Wife | — | Iowa |
| 3 | Corwin Dodge | 17 | Son | — | Iowa |
| 4 | Jean Dodge | 16 | Daughter | — | Iowa |
| 5 | Dale Dodge | 14 | Son | — | Iowa |
| 6 | Gordon Dodge | 12 | Son | — | Iowa |
| 7 | Dennis Clark | 54 | Head | Farmer | Iowa |
| 8 | Ida Clark | 54 | Wife | — | Iowa |
| 9 | Glen Clark | 28 | Son | Farmer | Iowa |
| 10 | Amy Clark | 25 | Daughter-in-law | — | Iowa |
| 11 | Phyllis Clark | 2 | Granddaughter | — | Iowa |
| 12 | Emery Dodge | 73 | Head | Farmer | Iowa |
| 13 | Elsie Dodge | 71 | Wife | — | Iowa |
| 14 | Mystic Pyne | 49 | Daughter | Gardner | Iowa |
| 15 | Elgin Dodge | 78 | Head | — | Iowa |
| 16 | Minnie Dodge | 54 | Wife | — | Iowa |
| 17 | Mary Kate Dodge | 37 | Daughter | — | Ohio |
| 18 | John Dodge | 48 | Head | Farmer | Iowa |
| 19 | Julia Dodge | 48 | Wife | — | Iowa |
| 20 | Dean Dodge | 18 | Son | Farmer | Iowa |
| 21 | Paul Squire | 50 | Head | Farmer | Iowa |
| 22 | Ettie Squire | 49 | Wife | — | Iowa |
| 23 | Glen Squire | 8 | Son | — | Iowa |
| 24 | Donald Squire | 6 | Son | — | Iowa |
| 25 | Clifford Nicholson | 26 | Hired hand | Laborer | Iowa |
| 26 | Roy Squire | 56 | Head | Farmer | Iowa |
| 27 | Maud Squire | 44 | Wife | — | Kansas |
| 28 | Lloyd Squire | 19 | Son | — | Iowa |
| 29 | Dale Squire | 10 | Son | — | Iowa |
| 30 | Robert Barrett | 63 | Hired hand | — | Iowa |
| 31 | Earl Squire | 46 | Head | Farmer | Iowa |
| 32 | Grace Squire | 46 | Wife | — | Iowa |
| 33 | Edward Squire | 14 | Son | — | Iowa |
| 34 | Joseph Squire | 82 | Father | — | Illinois |
| 35 | Joseph Paul | 37 | Hired hand | Laborer | Illinois |
| 36 | Anna Clark | 47 | Head | — | Iowa |
| 37 | Robert L. Clark | 21 | Son | Laborer | Iowa |
| 38 | Ruth Clark THIS PERSON | 21 | Daughter | — | Iowa |
| 39 | Eugene Clark | 17 | Son | Laborer | Iowa |
| 40 | Mildred Clark | 15 | Daughter | — | Iowa |
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)