ET
Ethel Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Ethel Thompson across the 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Thompson |
| Given Name | Ethel M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Portland City |
| Est. Birth Year | ~1930 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Bertha Thompson | Daughter | — | 17 | ~1923 |
| Ethel Thompson | Daughter | — | 10 | ~1930 |
| Nancy Thompson | Daughter | — | 2 | ~1938 |
| Samuel Thompson | Head | — | 38 | ~1902 |
| John Thompson | Son | — | 7 | ~1933 |
| Robert Thompson | Son | — | 15 | ~1925 |
| Samuel Thompson | Son | — | 14 | ~1926 |
| Sarah Thompson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Multnomah, Oregon
Daughter, age 1
Multnomah, Oregon · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ethel V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Daughter, age 10
Multnomah-County, Oregon · implied b. ~1930 — 8 household members
| Surname | Thompson |
| Given Name | Ethel M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Highest Grade | G 3 |
| 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 Ethel Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Thompson
Daughter · 1940 · age 10 · b. ~1930 · Oregon
★ You are viewing this record
Sibling
Nancy Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Thompson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thompson
Sibling · 1940 · age 7
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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03385-00155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry S. Okazaki | 18 | Son | — | Oregon |
| 42 | Mary J. Okazaki | 16 | Daughter | — | Oregon |
| 43 | John F. Okazaki | 11 | Son | — | Oregon |
| 44 | Elsie G. Okazaki | 7 | Daughter | — | Oregon |
| 45 | Robert M. Okazaki | 5 | Son | — | Oregon |
| 46 | Samuel R. Thompson | 38 | Head | Carpenter | Oklahoma |
| 47 | Sarah A. Thompson | 38 | Wife | — | Iowa |
| 48 | Bertha A. Thompson | 17 | Daughter | — | Oregon |
| 49 | Robert M. Thompson | 15 | Son | — | Oregon |
| 50 | Samuel R. Jr. Thompson | 14 | Son | — | Oregon |
| 51 | Ethel M. Thompson THIS PERSON | 10 | Daughter | — | Oregon |
| 52 | John W. Thompson | 7 | Son | — | Oregon |
| 53 | Nancy L. Thompson | 2 | Daughter | — | Oregon |
| 54 | Antone Polich | 56 | Head | Clerk | Yugoslavia |
| 55 | Eva Polich | 39 | Wife | — | Yugoslavia |
| 56 | Robert J. Polich | 15 | Son | — | Oregon |
| 57 | Patrick J. Polich | 14 | Son | — | Oregon |
| 58 | Theresa M. Polich | 12 | Daughter | — | Oregon |
| 59 | Sam Baker | 70 | Head | Shoemaker | Russia |
| 60 | Toba Baker | 60 | Wife | — | Russia |
| 61 | William Manos | 52 | Head | Laborer | Wisconsin |
| 62 | Ester Manos | 44 | Wife | — | Michigan |
| 63 | Robert Manos | 22 | Son | — | Michigan |
| 64 | Ruth Manos | 20 | Daughter | Housekeeper | Michigan |
| 65 | Grace Manos | 17 | Daughter | Housekeeper | Michigan |
| 66 | Harry Manos | 23 | Son | Switch Board Operator | Michigan |
| 67 | Lorraine Manos | 18 | Daughter-in-law | — | Iowa |
| 68 | Marvin L. Lani | 31 | Head | Truck Driver | Oklahoma |
| 69 | Verna Lani | 30 | Wife | — | Oregon |
| 70 | Joell Bob Lani | 7 | Daughter | — | Oklahoma |
| 71 | Donald L. Lani | 5 | Son | — | Oregon |
| 73 | Alice M. Wood | 36 | Head | Librarian | Oklahoma |
| 74 | Douglas A. B. Wood | 17 | Son | Helper | Washington |
| 75 | Lavone A. Wood | 15 | Daughter | — | Oregon |
| 76 | Mikel Olsen | 75 | Head | Fisherman | Norway |
| 77 | Elmer E. Mattson | 24 | Head | Laborer | Minnesota |
| 78 | Elmer E. Mattson | 21 | Brother | Carpenter | Minnesota |
| 79 | Howard A. Coffman | 40 | Head | Carpenter | Colorado |
| 80 | James S. Ternahan | 66 | Head | Watchman | Illinois |
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)