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Helen Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Helen Anderson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John & Agda — first a daughter (b.~1911), then head of a 5-person household.
Age 29
b. ~1911
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Anderson |
| Given Name | Helen S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Librarian |
| Industry | Public library |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Librarian |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Alice Anderson | Daughter | — | 27 | ~1913 |
| Helen Anderson | Daughter | — | 29 | ~1911 |
| Victoria Anderson | Daughter | — | 30 | ~1910 |
| Fredrika Anderson | Head | — | 63 | ~1877 |
| Carl Anderson | Son | — | 19 | ~1921 |
Census Appearances
Daughter, age 8
King, Washington · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Hulda M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 19
King, Washington · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Librarian |
| Industry | Library |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Daughter, age 29
King-County, Washington · implied b. ~1911 — 5 household members
| Surname | Anderson |
| Given Name | Helen S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Librarian |
| Industry | Public library |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and mother Agda Anderson (~0.92 confidence) and mother Fredrika Anderson (~0.92 confidence) and father Frederick Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Agda Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Fredrika Anderson
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Frederick Anderson
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Anderson
Daughter · 1940 · age 29 · b. ~1911 · Washington
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Sibling
Carl Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Anderson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victoria Anderson
Sibling · 1940 · age 30
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04374-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlotte Hieges | 21 | Wife | — | Washington |
| 2 | Norene Frilling | 29 | Head | — | Illinois |
| 3 | George Frilling | 64 | Father | — | Indiana |
| 4 | John R. Baker | 55 | Head | Laborer | Idaho |
| 5 | Ossie Baker | 46 | Wife | — | Oregon |
| 6 | James Baker | 14 | Son | — | Washington |
| 7 | Bernice Baker | 10 | Daughter | — | Washington |
| 8 | Marlene Baker | 4 | Daughter | — | Washington |
| 9 | Gertrude Dauet | 55 | Lodger | — | Canada |
| 10 | Gudman Thorlakson | 59 | Head | — | Iceland |
| 11 | Bertha Thorlakson | 59 | Wife | — | Minnesota |
| 12 | Ellie Thorlakson | 27 | Son | Truck Driver | Washington |
| 13 | Elmer Pyer | 42 | Head | Painter | Washington |
| 14 | Lucille Pyer | 41 | Wife | — | Oklahoma |
| 15 | Dudley Pyer | 19 | Son | — | Washington |
| 16 | Betty Pyer | 13 | Daughter | — | Washington |
| 17 | Frank L. Kerns | 62 | Head | Clerk | Illinois |
| 18 | Ella Kerns | 60 | Wife | — | Iowa |
| 20 | Adolf Nelson | 56 | Head | Fisherman | Norway |
| 21 | Dena Nelson | 61 | Wife | — | Norway |
| 22 | Donald R. Haskerrie | 45 | Head | Electrical Engineer | Washington |
| 23 | Lucia Helliver | 20 | Daughter | — | Washington |
| 24 | Albert Brockman | 71 | Head | — | Missouri |
| 25 | Anne E. Brockman | 62 | Wife | — | California |
| 26 | Clare Brockman | 9 | Son | — | Washington |
| 27 | Fredrika Anderson | 63 | Head | — | Sweden |
| 28 | Victoria F. Anderson | 30 | Daughter | Audit Clerk | Alaska |
| 29 | Helen S. Anderson THIS PERSON | 29 | Daughter | Librarian | Washington |
| 30 | Alice E. Anderson | 27 | Daughter | Secretary | Washington |
| 31 | Carl F. Anderson | 19 | Son | New Worker | Alaska |
| 32 | Fred Miller | 57 | Head | Foreman | Ohio |
| 33 | Abbie Miller | 47 | Wife | — | Idaho |
| 34 | Jean Miller | 12 | Daughter | — | Washington |
| 35 | Earl Tilley | 33 | Head | Laborer | North Dakota |
| 36 | Ellen Tilley | 23 | Wife | — | Washington |
| 37 | Joan Tilley | 2 | Daughter | — | Washington |
| 38 | C. E. Lewis | 55 | Head | Steam Engineer | Illinois |
| 39 | Jenny D. Lewis | 49 | Wife | — | South Dakota |
| 40 | Hannah Bakke | 79 | Head | — | Norway |
Related Census Records
Pedigree Summary
Helen + 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)