RC
Ruth Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Kansas
Our Model Tree links this Ruth Carlson across the 1920, 1930 and 1940 US Censuses in Washington-County, Kansas (XGBoost, ~Confirmed), with identified parents Emma — first a daughter (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Kansas |
| Surname | Carlson |
| Given Name | Ruth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Brent Twp |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Helper |
| Industry | House work |
| Class of Worker | NP |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Helper |
| Township / Ward | Brent Twp |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| John Carlson | Son | — | 43 | ~1897 |
| Emma Carlson | Head | — | 78 | ~1862 |
| Carl Carlson | Son | — | 33 | ~1907 |
| Ruth Carlson | Daughter | — | 42 | ~1898 |
Census Appearances
1920
Washington, Kansas
Daughter, age 22
Washington, Kansas · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farm helper |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Washington, Kansas
Daughter, age 32
Washington, Kansas · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Ruth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Washington-County, Kansas
Daughter, age 42
Washington-County, Kansas · implied b. ~1898 — 4 household members
| Surname | Carlson |
| Given Name | Ruth H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Brent Twp |
| 1935 Residence (County) | Washington |
| Occupation | Helper |
| Industry | House work |
| Class of Worker | NP |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Carlson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Carlson
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Carlson
Daughter · 1940 · age 42 · b. ~1898 · Kansas
★ You are viewing this record
Sibling
Carl Carlson
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carlson
Sibling · 1940 · age 43
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 — Washington-County, Kansas
Open full size
1940 US Federal Census — Washington-County, Kansas
Page Contents
17 people indexed on this census page (nara:1940:m-t0627-01265-00135)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma M. Carlson | 78 | Head | Manager | Sweden |
| 2 | Carl P. Carlson | 33 | Son | Helper | Kansas |
| 3 | Ruth H. Carlson THIS PERSON | 42 | Daughter | Helper | Kansas |
| 4 | John R. Carlson | 43 | Son | Helper | Kansas |
| 5 | Glen H. Mcfarland | 38 | Head | Farmer | Nebraska |
| 6 | Alma G. Mcfarland | 32 | Wife | — | Illinois |
| 7 | Lois Mcfarland | 13 | Daughter | — | Colorado |
| 8 | Adolph Zurfluh | 38 | Head | Farmer | Switzerland |
| 9 | Lena Zurfluh | 37 | Wife | — | Kansas |
| 10 | Marie Zurfluh | 19 | Daughter | Helper | Kansas |
| 11 | Walter Zurfluh | 13 | Son | — | Kansas |
| 12 | Florence Zurfluh | 6 | Daughter | — | Kansas |
| 13 | Viola Zurfluh | 5 | Daughter | — | Kansas |
| 14 | Charles A. Peterson | 65 | Head | Farmer | Sweden |
| 15 | Hilda Peterson | 63 | Wife | — | Sweden |
| 16 | Oscar Peterson | 61 | Head | Farmer | Sweden |
| 17 | Leonard H. Bengtson | 22 | Head | Laborer | Kansas |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 1 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)