HC
Helen Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Yakima-County, Washington
Our Model Tree links this Helen Carlson across the 1920, 1930 and 1940 US Censuses in Yakima-County, Washington (XGBoost, ~Confirmed), with identified parents Henry & Beda — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Yakima-County, Washington |
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Wiley City Precinct 121 |
| 1935 Residence (County) | Yakima |
| Additional Details | |
| Class of Worker | 8120 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Wiley City Precinct 121 |
| Est. Birth Year | ~1918 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Carlson | Daughter | — | 22 | ~1918 |
| Beda Carlson | Spouse | — | 53 | ~1887 |
| Melvin Carlson | Son | — | 17 | ~1923 |
| Henry Carlson | Head | — | 58 | ~1882 |
| Homer Carlson | Son | — | 20 | ~1920 |
Census Appearances
1920
Yakima, Washington
Daughter, age 1
Yakima, Washington · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Mother Tongue | Swedish |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Yakima, Washington
Daughter, age 12
Yakima, Washington · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Helen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Yakima-County, Washington
Daughter, age 22
Yakima-County, Washington · implied b. ~1918 — 5 household members
| Surname | Carlson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Wiley City Precinct 121 |
| 1935 Residence (County) | Yakima |
| Class of Worker | 8120 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Helen Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Carlson (~0.92 confidence) and mother Beda Carlson (~0.92 confidence) and mother Hulda Carlson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Carlson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Beda Carlson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Hulda Carlson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Carlson
Daughter · 1940 · age 22 · b. ~1918 · Washington
★ You are viewing this record
Sibling
Melvin Carlson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Homer Carlson
Sibling · 1940 · age 20
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 — Yakima-County, Washington
Open full size
1940 US Federal Census — Yakima-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04373-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Augusta Sellin | 61 | Head | Farmer | Sweden |
| 42 | Erica Sellin | 52 | Wife | — | Sweden |
| 43 | Maynette Sellin | 20 | Daughter | — | Washington |
| 44 | Henry P. Carlson | 58 | Head | Farmer | Sweden |
| 45 | Beda Carlson | 53 | Wife | — | Sweden |
| 46 | Helen Carlson THIS PERSON | 22 | Daughter | — | Nebraska |
| 47 | Homer Carlson | 20 | Son | Farm Laborer | Washington |
| 48 | Melvin Carlson | 17 | Son | — | Washington |
| 49 | David F. Torell | 48 | Head | Farmer | Nebraska |
| 50 | Marie M. Torell | 55 | Sister | Teacher | Nebraska |
| 51 | Anna M. Torell | 51 | Sister | — | Nebraska |
| 52 | Harold A. Torell | 44 | Brother | — | Nebraska |
| 53 | Amiel M. Johnson | 38 | Head | Clergyman | Kansas |
| 54 | Ethel C. Johnson | 34 | Wife | — | Minnesota |
| 55 | Donald C. Johnson | 15 | Son | — | California |
| 56 | Raymond L. Johnson | 12 | Son | — | California |
| 57 | Thelma J. Johnson | 11 | Daughter | — | California |
| 58 | Julia Twedten | 82 | Head | — | Minnesota |
| 59 | Margaret P. Twedten | 37 | Daughter | Bank Secretary | Minnesota |
| 60 | Rhoda B. Power | 43 | Head | Farm Laborer | Washington |
| 61 | William Mellhoff | 30 | Head | Farm Laborer | North Dakota |
| 62 | Ella D. Mellhoff | 25 | Wife | — | South Dakota |
| 63 | Vaneta Mellhoff | 7 | Daughter | — | North Dakota |
| 64 | William Mellhoff | 5 | Son | — | Washington |
| 65 | Carl O. Nystrom | 38 | Head | Farmer | Minnesota |
| 66 | Hildur Nystrom | 34 | Wife | — | Illinois |
| 67 | Verna Nystrom | 13 | Daughter | — | Washington |
| 68 | Jean Nystrom | 9 | Daughter | — | Washington |
| 69 | W. Laurence Sampson | 21 | Head | Farm Laborer | Washington |
| 70 | Alma D. Sampson | 22 | Wife | Packer | Washington |
| 71 | Wayne Wardle | 19 | In-law | Farm Laborer | Washington |
| 72 | Alsha Dahlin | 60 | Head | — | Sweden |
| 73 | Esther D. Dahlin | 27 | Daughter | Farmer | Washington |
| 74 | Ralph Bailey | 65 | Head | — | Iowa |
| 75 | J. Rogers Bailey | 15 | Son | — | Washington |
| 76 | Julius S. Engquist | 47 | Head | Farmer | Washington |
| 77 | Mildred Engquist | 42 | Wife | — | Illinois |
| 78 | Glen Engquist | 17 | Son | — | Washington |
| 79 | Frank Engquist | 13 | Son | — | Washington |
| 80 | Gottfred Cathberg | 79 | Father-in-law | — | Sweden |
Pedigree Summary
Helen + 2 siblings
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)