WP
Walter Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Walter Peterson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Hans & Alida — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Seattle |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Building Mat. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Truck Driver |
| Township / Ward | Seattle |
| Est. Birth Year | ~1902 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Eva Peterson | Spouse | — | 35 | ~1905 |
| Walter Peterson | Head | — | 38 | ~1902 |
| Ted Peterson | Son | — | 4 | ~1936 |
| Helen Peterson | Daughter | — | 11 | ~1929 |
Census Appearances
1910
King, Washington
Son, age 8
King, Washington · implied b. ~1902 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
King, Washington
Son, age 18
King, Washington · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
King, Washington
Head, age 28
King, Washington · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Walter C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 26 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Truck Driver |
| Industry | Retail Hardware |
| Class of Worker | 8690 |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 21.00 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
King-County, Washington
Head, age 38
King-County, Washington · implied b. ~1902 — 4 household members
| Surname | Peterson |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Seattle |
| 1935 Residence (County) | King |
| Occupation | Truck Driver |
| Industry | Building Mat. |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1800 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Walter Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Peterson (~0.92 confidence) and mother Alida Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Peterson
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Alida Peterson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Peterson
Head · 1940 · age 38 · b. ~1902 · Washington
★ You are viewing this record
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-t0627-04374-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Ann Simak | 1 | Daughter | — | Washington |
| 42 | John H. Benson | 54 | Head | Accountant | Illinois |
| 43 | Maude Benson | 55 | Wife | — | Michigan |
| 44 | Dorothy Benson | 27 | Daughter | Stenographer | Washington |
| 45 | Edward Pederson | 62 | Head | Fisherman | Norway |
| 46 | Bertha Pederson | 52 | Wife | — | Norway |
| 47 | Edwin B. Pederson | 23 | Son | Fisherman | Washington |
| 48 | Kenneth Pederson | 18 | Son | Operator | Washington |
| 49 | Hans Astad | 49 | Lodger | Scaler | Norway |
| 51 | William J. Bremer | 72 | Head | Manager | Pennsylvania |
| 52 | Sarah M. Bremer | 58 | Wife | — | Colorado |
| 53 | John H. Meidam | 67 | Head | Labor | Wisconsin |
| 54 | Lena Meidam | 65 | Wife | — | Wisconsin |
| 55 | Ralph Meidam | 41 | Son | Truck Driver | Wisconsin |
| 56 | Carl A. Carlson | 73 | Head | — | Finland |
| 57 | Sigrid E. Carlson | 51 | Wife | — | Sweden |
| 58 | Helmer A. Bye | 43 | Head | — | Norway |
| 59 | Anna M. Bye | 76 | Mother | — | Norway |
| 60 | Rose I. Bye | 37 | Sister | Box Maker | Washington |
| 61 | Clyde W. Forbes | 61 | Head | Machinist | Iowa |
| 62 | Lula Forbes | 59 | Wife | — | Arkansas |
| 63 | Henry G. White | 69 | Head | — | Kansas |
| 64 | Ida E. White | 66 | Wife | — | Kansas |
| 65 | Dora Winsor | 69 | Head | — | Arkansas |
| 66 | August E. Lindberg | 49 | Head | Shipwright | Sweden |
| 67 | Maria Lindberg | 50 | Wife | — | Sweden |
| 68 | Gunnar Lindberg | 21 | Son | Welder Helper | Sweden |
| 69 | Karen Lindberg | 20 | Daughter | Packer | Sweden |
| 70 | Walter Peterson THIS PERSON | 38 | Head | Truck Driver | Minnesota |
| 71 | Eva Peterson | 35 | Wife | — | North Dakota |
| 72 | Helen Peterson | 11 | Daughter | — | Washington |
| 73 | Ted Peterson | 4 | Son | — | Washington |
| 74 | Albert Anderson | 50 | Head | Painter | Minnesota |
| 75 | Myrtle Anderson | 46 | Wife | — | Utah |
| 76 | Richard Butler | 32 | Head | Mail Carrier | Washington |
| 77 | Kathleen Butler | 28 | Wife | — | Washington |
| 78 | Elaine Butler | 7 | Daughter | — | Washington |
| 79 | Wayne Butler | 5 | Son | — | Washington |
| 80 | Gerald Burrows | 25 | Brother in Law | Mechanic | Washington |
Pedigree Summary
Walter
Gen 1 · 2 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)