CP
Charles Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Juan-County, Washington
Our Model Tree links this Charles Peterson across the 1910, 1920, 1930 and 1940 US Censuses in San-Juan-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 3-person household.
Age 65
b. ~1875
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Juan-County, Washington |
| Surname | Peterson |
| Given Name | Charles V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | San Juan Election Precinct #2 |
| 1935 Residence (County) | San Juan |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farmer |
| Township / Ward | San Juan Election Precinct 2 |
| Est. Birth Year | ~1875 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Peterson | Head | — | 65 | ~1875 |
| Oscar Peterson | Son | — | 28 | ~1912 |
| Carrie Peterson | Spouse | — | 57 | ~1883 |
Census Appearances
1910
San Juan, …
Head, age 35
San Juan, Washington · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Charles V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Washington |
| Years Married | 7 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Denmark |
| Occupation | Manager |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
San Juan, …
Head, age 45
San Juan, Washington · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Canada |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
San Juan, …
Head, age 55
San Juan, Washington · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Charles V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Canada English |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 34 |
| Radio Set | R |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
San-Juan-County, Washington
Head, age 65
San-Juan-County, Washington · implied b. ~1875 — 3 household members
| Surname | Peterson |
| Given Name | Charles V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | San Juan Election Precinct #2 |
| 1935 Residence (County) | San Juan |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Charles Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Peterson
Head · 1940 · age 65 · b. ~1875 · 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 — San-Juan-County, Washington
Open full size
1940 US Federal Census — San-Juan-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04356-01236)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles V. Peterson THIS PERSON | 65 | Head | Farmer | Washington |
| 2 | Carrie Peterson | 57 | Wife | — | Texas |
| 3 | Oscar Peterson | 28 | Son | Quarryman | Washington |
| 4 | Arthur B. Fleming | 53 | Head | Quarryman | Washington |
| 5 | Elsie Fleming | 64 | Wife | — | Norway |
| 6 | Gustave Sandahl | 44 | Head | Quarryman | Germany |
| 7 | Minna A. Sandahl | 45 | Wife | — | Germany |
| 8 | Lorena R. Sandahl | 26 | Daughter | — | Washington |
| 9 | Lillian M. Sandahl | 9 | Daughter | — | Washington |
| 10 | Fredrick K. Sandahl | 2 | Son | — | Washington |
| 11 | Roy J. Greasli | 34 | Head | Carpenter | Washington |
| 12 | Mary M. Greasli | 25 | Wife | — | Oregon |
| 13 | Marilyn A. Greasli | 7 | Daughter | — | Washington |
| 14 | Charles H. Walch | 65 | Head | Farmer | Massachusetts |
| 15 | Dorthy Walch | 44 | Wife | — | Alabama |
| 16 | Robert G. Walch | 17 | Son | Spotter And Presser | Washington |
| 17 | Albert C. Walch | 15 | Son | — | Washington |
| 18 | Joseph E. Walch | 14 | Son | — | Washington |
| 19 | Edith L. Walch | 12 | Daughter | — | Washington |
| 20 | John W. Walch | 9 | Son | — | Washington |
| 21 | Edna M. Witton | 45 | Head | New Maker | Washington |
| 22 | Fred Krumdiack | 40 | Head | Wood Cutter | Washington |
| 23 | Georgia M. Krumdiack | 30 | Wife | — | Washington |
| 24 | Kenneth L. Krumdiack | 14 | Son | — | Washington |
| 25 | Ronald R. Krumdiack | 10 | Son | — | Washington |
| 26 | Zane F. Krumdiack | 7 | Son | — | Washington |
| 27 | Howard Lawson | 28 | Head | Retail Salesman | Washington |
| 28 | Hazel M. Lawson | 21 | Wife | — | Washington |
| 29 | Gwendolyn Lawson | 3 | Daughter | — | Washington |
| 30 | Geneva A. Lawson | 1 | Daughter | — | Washington |
| 31 | Smith K. Robe | 71 | Head | Saw Mill Operator | Missouri |
| 32 | Elly D. Robe | 65 | Wife | — | Kansas |
| 33 | John Patricia C. Robe | 15 | Daughter | — | Washington |
| 34 | Frank Parson | 77 | Head | — | England |
| 35 | George F. Steinle | 57 | Head | Laborer | Canada |
| 36 | Helena E. Steinle | 42 | Wife | — | Washington |
| 37 | Florence M. Steinle | 15 | Daughter | — | Washington |
| 38 | George Dahle | 69 | Head | — | Washington |
| 39 | Henry S. Balam | 46 | Head | Foreman | Washington |
| 40 | Lillian M. Balam | 32 | Wife | — | Washington |
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)