TC
Thomas Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Thomas Cooper across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents J & Virgil — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Cooper |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Beverages |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 126 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Salesman |
| Township / Ward | Portland City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Susan Cooper | Spouse | — | 53 | ~1887 |
| Thomas Cooper | Son | — | 24 | ~1916 |
| Nancy Cooper | Daughter | — | 20 | ~1920 |
| Alice Cooper | Daughter | — | 21 | ~1919 |
| Annie Cooper | Other | — | 80 | ~1860 |
| Virgil Cooper | Head | — | 54 | ~1886 |
Census Appearances
1920
Multnomah, Oregon
Son, age 3
Multnomah, Oregon · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Thomas V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 14
Multnomah, Oregon · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Thomas U |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 24
Multnomah-County, Oregon · implied b. ~1916 — 6 household members
| Surname | Cooper |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Occupation | Salesman |
| Industry | Retail Beverages |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 126 |
| Highest Grade | C 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 Thomas Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father J Cooper (~0.92 confidence) and father Virgil Cooper (~0.92 confidence) and mother Susan Cooper (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
J Cooper
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Virgil Cooper
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Susan Cooper
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Cooper
Son · 1940 · age 24 · b. ~1916 · Oregon
★ You are viewing this record
Sibling
Alice Cooper
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Cooper
Sibling · 1940 · age 20
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-t0627-03389-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peggy Kelly | 20 | Wife | — | Oregon |
| 2 | Virgil Cooper | 54 | Head | — | Missouri |
| 3 | Susan Cooper | 53 | Wife | Teacher | Oregon |
| 4 | Thomas Cooper THIS PERSON | 24 | Son | Salesman | Oregon |
| 5 | Alice Cooper | 21 | Daughter | Saleswoman | Oregon |
| 6 | Nancy Cooper | 20 | Daughter | Typist | Oregon |
| 7 | Annie Cooper | 80 | Mother | — | Tennessee |
| 9 | Thomas Leonard | 55 | Head | Janitor | Missouri |
| 10 | Alfred Countryman | 42 | Head | Machinist | Oregon |
| 11 | Martha Countryman | 41 | Wife | — | Oregon |
| 12 | Patricia Countryman | 16 | Daughter | — | Oregon |
| 13 | Charles Countryman | 5 | Son | — | Oregon |
| 14 | Thomas Neely | 32 | Head | Concrete Inspector | Oklahoma |
| 15 | Ulatha Neely | 27 | Wife | — | Oklahoma |
| 16 | Thelma Mae Neely | 5 | Daughter | — | Oklahoma |
| 17 | Mark Ray Neely | 2 | Son | — | Oregon |
| 18 | Wanda Fay Neely | 0 | Daughter | — | California |
| 19 | Ida Wightman | 54 | Head | Welfare Worker | Oregon |
| 20 | George Kamrast | 69 | Head | — | Germany |
| 21 | Anna M. Kamrast | 64 | Wife | — | Germany |
| 22 | Fred X. Gimbal | 34 | Head | Baker | Oregon |
| 23 | Lola Gimbal | 23 | Wife | — | Mississippi |
| 24 | Jean Gimbal | 7 | Daughter | — | Oregon |
| 25 | Fredrick Gimbal | 5 | Son | — | Oregon |
| 26 | Lawrence Babin | 25 | Head | Frame Maker | Oregon |
| 27 | Kathryn Babin | 22 | Wife | — | Oregon |
| 28 | Kathleen Babin | 2 | Daughter | — | Oregon |
| 29 | George Roth | 5 | Step-son | — | Oregon |
| 30 | Adolph Easson | 53 | Head | Conductor | Nebraska |
| 31 | Magdalene Easson | 47 | Wife | — | Nebraska |
| 32 | Ralph Leonard | 47 | Head | Pressman | Utah |
| 33 | Rita Leonard | 41 | Wife | — | Utah |
| 34 | Ray Leonard | 21 | Son | Typist | Utah |
| 35 | Jack Leonard | 18 | Son | Time Keeper | Utah |
| 36 | Donald Van Buskirk | 40 | Head | Salesman | Nebraska |
| 37 | Lucille Van Buskirk | 40 | Wife | — | Oregon |
| 38 | Donald Van Buskirk | 10 | Son | — | Oregon |
| 39 | Miller Michalson | 34 | Head | Teacher | Ohio |
| 40 | Eliza Michalson | 30 | Wife | — | Michigan |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 3 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)