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Helen Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Helen Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents A & Jorgen — first a daughter (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Peterson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Silver Lake Election Precinct |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Silver Lake Election Precinct |
| Est. Birth Year | ~1910 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Peterson | Daughter | — | 30 | ~1910 |
| Alice Peterson | Daughter | — | 23 | ~1917 |
| Peter Peterson | Head | — | 58 | ~1882 |
| Edward Olson | Other | — | 24 | ~1916 |
Census Appearances
1910
Pierce, Washington
Daughter, age
Pierce, Washington · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Helen O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Washington |
| Years Married | English |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Pierce, Washington
Daughter, age 10
Pierce, Washington · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Helen B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Pierce, Washington
Other, age 20
Pierce, Washington · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Helen O. |
| Relationship to Head | Grand daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Pierce-County, Washington
Daughter, age 30
Pierce-County, Washington · implied b. ~1910 — 4 household members
| Surname | Peterson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Silver Lake Election Precinct |
| 1935 Residence (County) | Pierce |
| Industry | 0 |
| Highest Grade | Hs 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 Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother A Peterson (~0.92 confidence) and father Jorgen Peterson (~0.92 confidence) and father Peter Peterson (~0.92 confidence) and mother Lena Peterson (~0.92 confidence) and father Peter Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
A Peterson
b. ~1844
Source mother
● Household
· direct · ~0.92
Father
Jorgen Peterson
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Peter Peterson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lena Peterson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Peter Peterson
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Peterson
Daughter · 1940 · age 30 · b. ~1910 · Washington
★ You are viewing this record
Sibling
Alice Peterson
Sibling · 1940 · age 23
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 — Pierce-County, Washington
Open full size
1940 US Federal Census — Pierce-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04356-00649)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ned J Ward | 27 | Head | Teller | Washington |
| 2 | Evelyn Ward | 25 | Wife | — | Washington |
| 3 | Joan Ward | 5 | Daughter | — | Washington |
| 4 | Jean Ward | 3 | Daughter | — | Washington |
| 5 | Gloria Ward | 0 | Daughter | — | Washington |
| 6 | Einar Hedborg | 56 | Head | Farmer | Sweden |
| 7 | Hannah Hedborg | 59 | Wife | — | Sweden |
| 8 | John Malm | 68 | Head | Farmer | Finland |
| 9 | Lena Malm | 56 | Wife | — | Norway |
| 10 | Audry Sater | 27 | Head | Farmer | Idaho |
| 11 | June Sater | 23 | Wife | — | Washington |
| 12 | Edith Sater | 2 | Daughter | — | Washington |
| 13 | Norman Mcleod | 46 | Head | — | Canada English |
| 14 | Leila Mcleod | 43 | Daughter | Nursing | Washington |
| 15 | Peter Peterson | 58 | Head | Farmer | Norway |
| 16 | Helen Peterson THIS PERSON | 30 | Daughter | — | Washington |
| 17 | Alice Peterson | 23 | Daughter | — | Washington |
| 18 | Edward R Olson | 24 | Boarder | Farmer | No Dakota |
| 19 | George F Bruckert | 57 | Head | Patrolman | Minnesota |
| 20 | Ellen H Bruckert | 58 | Wife | — | Washington |
| 21 | Ida Juanita Masterson | 39 | Boarder | New Worker | Washington |
| 22 | Eugenia Lee Masterson | 15 | Boarder | — | Washington |
| 23 | Fred Hendrickson | 43 | Head | Loader | Washington |
| 24 | Anna Hendrickson | 42 | Wife | — | Washington |
| 25 | Harley Hendrickson | 19 | Son | Whistle Punk | Washington |
| 26 | Gary Hendrickson | 5 | Son | — | Washington |
| 27 | Allen Williams | 47 | Head | Primary Teacher | No Carolina |
| 28 | Doris Williams | 21 | Daughter | — | Washington |
| 29 | Verna Williams | 19 | Son | Farmhand | Washington |
| 30 | Billy Williams | 14 | Son | — | Washington |
| 31 | Mary Williams | 10 | Daughter | — | Washington |
| 32 | Gust A Carlson | 39 | Head | Buckers | Sweden |
| 33 | Sarah A Carlson | 35 | Wife | — | Texas |
| 34 | Clifford Mccarty | 14 | Stepson | — | Arizona |
| 35 | Beeta Joan Mccarty | 9 | Stepdaughter | — | Arizona |
| 36 | John Larson | 40 | Head | Farmer | Washington |
| 37 | Mat Hjelstad | 41 | Head | Carpenter | Washington |
| 38 | Velma Hjelstad | 32 | Wife | — | Washington |
| 39 | Carolyn Hjelstad | 9 | Daughter | — | Washington |
| 40 | Charlotte Hjelstad | 7 | Daughter | — | Washington |
Related Census Records
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 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)