JP
James Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kitsap-County, Washington
Our Model Tree links this James Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Kitsap-County, Washington (XGBoost, ~Confirmed), with identified parents Ellen & Adolph — first a son (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kitsap-County, Washington |
| Surname | Peterson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Port Blakely |
| 1935 Residence (County) | Kitsap |
| Additional Details | |
| Occupation | Fisherman |
| Industry | Halibut Boat |
| Class of Worker | PW |
| Income (1939) | 840 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Fisherman |
| Township / Ward | Port Blakely |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Emma Peterson | Head | — | 69 | ~1871 |
| Arthur Peterson | Son | — | 42 | ~1898 |
| James Peterson | Son | — | 41 | ~1899 |
Census Appearances
1910
Kitsap, Washington
Son, age 11
Kitsap, Washington · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Finland Swedish |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Kitsap, Washington
Son, age 20
Kitsap, Washington · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | James C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Finland |
| Occupation | helper |
| Industry | boilermaker |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Kitsap, Washington
Son, age 31
Kitsap, Washington · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Fisherman |
| Industry | Fish boat |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Kitsap-County, Washington
Son, age 41
Kitsap-County, Washington · implied b. ~1899 — 3 household members
| Surname | Peterson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Port Blakely |
| 1935 Residence (County) | Kitsap |
| Occupation | Fisherman |
| Industry | Halibut Boat |
| Class of Worker | PW |
| Income (1939) | 840 |
| Highest Grade | No 10 |
| 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 James Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ellen Peterson (~0.92 confidence) and father Adolph Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ellen Peterson
b. ~1863
Source mother
● Household
· direct · ~0.92
Father
Adolph Peterson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Peterson
Son · 1940 · age 41 · b. ~1899 · Washington
★ You are viewing this record
Sibling
Arthur Peterson
Sibling · 1940 · age 42
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 — Kitsap-County, Washington
Open full size
1940 US Federal Census — Kitsap-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04348-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Aluf Andersen | 75 | Head | — | Norway |
| 2 | Chris Ellingson | 50 | Head | — | Washington |
| 3 | Charles Ellingson | 51 | Brother | 13 | Washington |
| 4 | Iver Ellingson | 53 | Brother | Ship Carpenter | Norway |
| 5 | George Ellingson | 28 | Nephew | Rigger | Washington |
| 6 | Lauris Blomberg | 75 | Uncle | — | Norway |
| 7 | Joseph Borgert | 69 | Head | — | Washington |
| 8 | Cecilia Borgert | 65 | Wife | — | Washington |
| 9 | Peder Viness | 47 | Head | Captain | Norway |
| 10 | Ellen Viness | 42 | Wife | — | Norway |
| 11 | Monrad Mathisen | 49 | Head | Fisherman | Norway |
| 12 | Esther Mathisen | 46 | Wife | — | Sweden |
| 13 | Harriett Mathisen | 17 | Daughter | — | Alaska |
| 14 | Margaret Mathisen | 12 | Daughter | — | Alaska |
| 15 | Emma Peterson | 69 | Head | — | Finland |
| 16 | Arthur Peterson | 42 | Son | Boom Man | Washington |
| 17 | James Peterson THIS PERSON | 41 | Son | Fisherman | Washington |
| 18 | Hillard Ferguson | 26 | Head | Trucker | North Dakota |
| 19 | Hazel Ferguson | 25 | Wife | — | South Dakota |
| 20 | Dale Ferguson | 6 | Son | — | North Dakota |
| 21 | Amand Nordberg | 62 | Head | — | Finland |
| 22 | Paul Nordberg | 33 | Son | Winch Man | Washington |
| 23 | Arto Nordberg | 32 | Son | Sheet Metal Worker | Washington |
| 24 | Helma Nordberg | 30 | Daughter | — | Washington |
| 25 | Alfred Paulson | 58 | Head | Scaler | Norway |
| 26 | Thora Paulson | 55 | Wife | — | Norway |
| 27 | Louis Alloin | 50 | Head | Gardener | France |
| 28 | Leonie Alloin | 51 | Wife | — | France |
| 29 | Cecile M. Alloin | 18 | Daughter | — | Washington |
| 30 | Jeanne Alloin | 15 | Daughter | — | Washington |
| 31 | Jacques Alloin | 12 | Son | — | Washington |
| 32 | Amand Mattson | 63 | Head | — | Washington |
| 33 | Albert Lacoste | 54 | Head | Superintendent | France |
| 34 | Eugenie Lacoste | 47 | Wife | — | France |
| 35 | Fred H. Odell | 34 | Head | Caretaker | Ohio |
| 36 | Lawrence Peters | 34 | Head | Attorney | Washington |
| 37 | Claire Peters | 31 | Wife | — | Washington |
| 38 | Sandra Peters | 5 | Daughter | — | Washington |
| 39 | Sonya Peters | 2 | Daughter | — | Washington |
| 40 | Marie Haugen | 18 | Maid | General Housework | Washington |
Pedigree Summary
James + 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)