EP
Ernest Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pierce-County, Washington
Our Model Tree links this Ernest Peterson across the 1920, 1930 and 1940 US Censuses in Pierce-County, Washington (XGBoost, ~Confirmed), with identified parents Charles & Ida — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pierce-County, Washington |
| Surname | Peterson |
| Given Name | Ernest J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Additional Details | |
| Occupation | driller |
| Industry | metal shop |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Driller |
| Township / Ward | Tacoma City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ernest | Age | Birth yr |
|---|---|---|---|---|
| Charles Peterson | Head | — | 63 | ~1877 |
| Ida Peterson | Spouse | — | 63 | ~1877 |
| Ernest Peterson | Son | — | 22 | ~1918 |
Census Appearances
1920
Pierce, Washington
Son, age 2
Pierce, Washington · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Pierce, Washington
Son, age 12
Pierce, Washington · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Pierce-County, Washington
Son, age 22
Pierce-County, Washington · implied b. ~1918 — 3 household members
| Surname | Peterson |
| Given Name | Ernest J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Tacoma City |
| 1935 Residence (County) | Pierce |
| Occupation | driller |
| Industry | metal shop |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Ernest Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Peterson (~0.92 confidence) and mother Ida Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Peterson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ida Peterson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Peterson
Son · 1940 · age 22 · b. ~1918 · 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 — 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-t0627-04390-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary C. Bruce | 21 | daughter | — | Washington |
| 42 | Duane L. Bruce | 9 | daughter | — | Washington |
| 43 | Clair W. Wood | 38 | Head | Bus Driver | Washington |
| 44 | Dorothy E. Wood | 38 | wife | — | Connecticut |
| 45 | Dorothy J. Wood | 2 | daughter | — | Washington |
| 46 | Sam Petersen | 51 | Head | Laborer | Norway |
| 47 | Martha B. Petersen | 59 | wife | — | Norway |
| 48 | Emil S. Harrison | 28 | Head | Cabinet Maker | Washington |
| 49 | Prudence E. Harrison | 52 | wife | — | So. Carolina |
| 50 | Charles J. Peterson | 63 | Head | Carpenter | Finland |
| 51 | Ida B. Peterson | 63 | wife | — | Finland |
| 52 | Ernest J. Peterson THIS PERSON | 22 | son | Driller | Oregon |
| 53 | Arthur J. Hunneman | 35 | Head | Bookkeeper | Washington |
| 54 | Ada C. Hunneman | 33 | wife | — | Washington |
| 55 | Barbara J. Hunneman | 12 | daughter | — | Washington |
| 56 | Arthur J. Jr. Hunneman | 6 | son | — | Washington |
| 57 | Carole J. Hunneman | 2 | daughter | — | Washington |
| 58 | Stanley C. Anderson | 31 | Head | Salesman | Washington |
| 59 | Shirley C. Anderson | 30 | wife | — | Washington |
| 60 | Sandra J. Anderson | 7 | daughter | — | Washington |
| 61 | William Smith | 63 | Head | Teamster | Wisconsin |
| 62 | Elizabeth Smith | 28 | daughter | — | Washington |
| 63 | Robert M. Davis | 27 | lodger | Ship Joiner | Missouri |
| 64 | — | None | — | — | — |
| 65 | Ernest B. Sundberg | 44 | Head | Steel Moulder | Minnesota |
| 66 | Helen D. Sundberg | 52 | wife | — | Minnesota |
| 67 | Phyllis M. Harter | 16 | daughter | — | Washington |
| 68 | Ellsworth E. Clark | 78 | foster-son | Building Contractor | New York |
| 69 | John A. Ness | 57 | Head | Gardener | Norway |
| 70 | Nilla A. Ness | 66 | wife | — | Norway |
| 71 | Berta Ness | 20 | daughter | Stenographer | Norway |
| 72 | John A. Jr. Ness | 19 | son | — | Norway |
| 73 | Morgan E. Bracefield | 31 | Head | 13 | Washington |
| 74 | Mildred E. Bracefield | 22 | wife | — | Montana |
| 75 | Morgan E. Jr. Bracefield | 3 | son | — | Washington |
| 76 | John W. Bracefield | 2 | son | — | Washington |
| 77 | Malcolm D. Stromberg | 59 | Head | Service Man | Sweden |
| 78 | Ingeborg K. Stromberg | 47 | wife | — | Norway |
| 79 | George J. Clemens | 47 | Head | Assistant Manager | Wisconsin |
| 80 | Nellie M. Clemens | 44 | wife | — | Wisconsin |
Related Census Records
Pedigree Summary
Ernest
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)