CT
Carl Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Carl Thompson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Elmer & Marie — first a son (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Thompson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Unincorporated place West Portland |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | machinist |
| Industry | Iron works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Machinist |
| Township / Ward | Unincorporated Place West Portland |
| Est. Birth Year | ~1906 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Marie Thompson | Spouse | — | 58 | ~1882 |
| Elmer Thompson | Head | — | 59 | ~1881 |
| Carl Thompson | Son | — | 34 | ~1906 |
Census Appearances
1920
Multnomah, Oregon
Son, age 14
Multnomah, Oregon · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Carl O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Multnomah, Oregon
Son, age 24
Multnomah, Oregon · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Carl Atof |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Multnomah-County, Oregon
Son, age 34
Multnomah-County, Oregon · implied b. ~1906 — 3 household members
| Surname | Thompson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Unincorporated place West Portland |
| 1935 Residence (County) | Multnomah |
| Occupation | machinist |
| Industry | Iron works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Carl Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Thompson (~0.92 confidence) and mother Marie Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Thompson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Marie Thompson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Thompson
Son · 1940 · age 34 · b. ~1906 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03377-00530)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | R. Emmett Peefer|Peefer | 48 | Head | Maintenance | Oregon |
| 42 | Elsie E. Peefer|Peefer | 35 | Wife | Grocery Clerk | Oregon |
| 43 | Adeline Peefer|Peefer | 17 | Daughter | — | California |
| 44 | Eldon Peefer|Peefer | 14 | Son | — | Oregon |
| 45 | Alfred Peefer|Peefer | 12 | Son | — | Oregon |
| 46 | James H. Smith | 42 | Head | Sawyer | Indiana |
| 47 | Edmund F. Donachie | 50 | Head | Truck Driver | Michigan |
| 48 | Brynheld|Brynhild Donachie | 38 | Wife | — | Iowa |
| 49 | Louise E. Donachie | 12 | Daughter | — | Oregon |
| 50 | Maurice E. Wilson | 37 | Head | Clerk | Minnesota |
| 51 | Alma E. Wilson | 35 | Wife | Stenographer | Oregon |
| 52 | George E. Dobbins | 39 | Head | Inspector | Washington |
| 53 | Jean A. Dobbins | 33 | Wife | — | Poland |
| 54 | Louis Donkee|Donkee | 27 | Head | Steel Worker | Connecticut |
| 55 | Mildred Donkee|Donkee | 27 | Wife | Candy Maker | Washington |
| 56 | Samuel E. Button | 69 | Head | — | Missouri |
| 57 | Harriet E. Button | 71 | Wife | — | Minnesota |
| 58 | Henry W. Oberg | 55 | Head | Laborer | Sweden |
| 59 | Elmer L. Thompson | 59 | Head | — | Sweden |
| 60 | Marie J. Thompson | 58 | Wife | — | Sweden |
| 61 | Carl E. Thompson THIS PERSON | 34 | Son | Machinist | California |
| 62 | Anthime J. Morris | 43 | Head | Sign Painter | Maine |
| 63 | Maudine Morris | 35 | Wife | — | Michigan |
| 64 | Edward A. Morris | 15 | Son | — | California |
| 65 | Lawrence A. Morris | 10 | Son | — | Oregon |
| 66 | Edwin A. Berg | 39 | Head | Hardware Clerk | Wisconsin |
| 67 | Martha E. Berg | 36 | Wife | — | Wisconsin |
| 68 | Marjorie E. Berg | 11 | Daughter | — | Oregon |
| 69 | Allin Alplanalp | 31 | Head | Dry Cleaning | Switzerland |
| 70 | Hilda V. Alplanalp | 32 | Wife | — | Ohio |
| 71 | James A. Alplanalp | 12 | Son | — | Oregon |
| 72 | Earl V. Zipple | 58 | Head | Attendant Service Sta. | Iowa |
| 73 | Mary E. Zipple | 54 | Wife | — | Nebraska |
| 74 | Anthony J. Dreyer | 63 | Head | Architect | Norway |
| 75 | Amanda C. Dreyer | 52 | Wife | — | Minnesota |
| 76 | A. Julian Dreyer | 22 | Son | Musician | California |
| 77 | Philip L. Dreyer | 19 | Son | Deliveryman | Montana |
| 78 | Theodore E. Dreyer | 12 | Son | — | Oregon |
| 79 | Roy H. Wirt | 38 | Head | Auditor | Oregon |
| 80 | Irene V. Wirt | 37 | Wife | — | Oregon |
Related Census Records
Pedigree Summary
Carl
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)