EP
Ellen Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Ellen Peterson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Seattle City |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1895 |
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 Ellen | Age | Birth yr |
|---|---|---|---|---|
| Ellen Peterson | Head | — | 45 | ~1895 |
| William Peterson | Son | — | 19 | ~1921 |
| Dorothy Peterson | Daughter | — | 21 | ~1919 |
| John Peterson | Son | — | 11 | ~1929 |
Census Appearances
1920
King, Washington
Spouse, age 25
King, Washington · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Canada |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
King, Washington
Spouse, age 35
King, Washington · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ellen M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 18 |
| Father's Birthplace | Nova Scotia |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
King-County, Washington
Head, age 45
King-County, Washington · implied b. ~1895 — 4 household members
| Surname | Peterson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Seattle City |
| Industry | 0 |
| Highest Grade | H-4 |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Ellen Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Peterson
Head · 1940 · age 45 · b. ~1895 · Washington
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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-t0627-04379-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Robinson | 50 | Head | Mail Carrier | Missouri |
| 2 | Melvin H. Copper | 33 | Lodger | — | Pennsylvania |
| 3 | Herbert Locke | 68 | Head | — | Canada English |
| 4 | Molly Locke | 59 | Wife | — | Minnesota |
| 5 | S. Norimichi | 52 | Head | Proprietor | Japan |
| 6 | A. Norimichi | 50 | Wife | Clerk | Japan |
| 7 | Chiye Norimichi | 26 | Daughter | Clerk | Washington |
| 8 | Masunori Norimichi | 24 | Son | Clerk | Washington |
| 9 | Nobu Norimichi | 19 | Son | — | Washington |
| 10 | Parker Fletcher | 60 | Head | Mail Carrier | Illinois |
| 11 | Mary Fletcher | 52 | Wife | — | South Dakota |
| 12 | Donald Fletcher | 17 | Son | — | Washington |
| 13 | Adele Mcdowd | 39 | Head | — | Washington |
| 14 | Reynold Mcdowd | 4 | Son | — | Washington |
| 15 | Mendel Mcdowd | 1 | Daughter | — | Washington |
| 16 | Thomas Rock | 60 | Head | — | Washington |
| 17 | Nellie Rock | 54 | Wife | — | Kansas |
| 18 | Kenneth Beall | 30 | Head | Proprietor | Washington |
| 19 | Bernice Beall | 27 | Wife | — | Illinois |
| 20 | Joy Beall | 5 | Daughter | — | Washington |
| 21 | Ethel Barnett | 48 | Mother-in-law | — | Illinois |
| 22 | Maxine Holden | 18 | Servant | Maid | Washington |
| 23 | Ellen Peterson THIS PERSON | 45 | Head | — | Massachusetts |
| 24 | Dorothy Peterson | 21 | Daughter | Stenographer | Washington |
| 25 | William Peterson | 19 | Son | Attendant | Washington |
| 26 | John Peterson | 11 | Son | — | Washington |
| 27 | Daniel Mcgarry | 79 | Head | — | Northern Ireland |
| 28 | Margaret Mcgarry | 74 | Wife | — | United States |
| 29 | Basil Johnson | 42 | Head | Operator | Massachusetts |
| 30 | Emma Johnson | 42 | Wife | Cashier | West Virginia |
| 31 | Robert Evans | 20 | Partner | Operator | Washington |
| 32 | Wilbert Case | 26 | Partner | Operator | Washington |
| 33 | Phyllis Williams | 15 | Niece | — | Washington |
| 34 | Guy Maguire | 45 | Head | Clerk | Idaho |
| 35 | Esther Maguire | 44 | Wife | — | Washington |
| 36 | Siner Stenig | 55 | Head | Agent | North Dakota |
| 37 | Mae Stenig | 57 | Wife | — | Ohio |
| 38 | Irene Erickson | 40 | Lodger | Housekeeper | Iowa |
| 39 | Gary Allen Stenig | 14 | Grandson | — | 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)