CP
Carl Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Carl Peterson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Adolphe & Adolph — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Rose Park |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Income (1939) | 80 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Rose Park |
| Est. Birth Year | ~1918 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Adolphe Peterson | Head | — | 56 | ~1884 |
| Carl Peterson | Son | — | 22 | ~1918 |
| Jack Peterson | Son | — | 19 | ~1921 |
| Anna Peterson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Multnomah, Oregon
Son, age 1
Multnomah, Oregon · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Sweden |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 12
Multnomah, Oregon · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| Age at First Marriage | 12 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 22
Multnomah-County, Oregon · implied b. ~1918 — 4 household members
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Rose Park |
| 1935 Residence (County) | Multnomah |
| Income (1939) | 80 |
| Highest Grade | C 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 Carl Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Adolphe Peterson (~0.92 confidence) and father Adolph Peterson (~0.92 confidence) and father Adolph Peterson (~0.92 confidence) and mother Anna Peterson (~0.92 confidence) and mother Alma Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Adolphe Peterson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Adolph Peterson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Adolph Peterson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Peterson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Alma Peterson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Peterson
Son · 1940 · age 22 · b. ~1918 · Oregon
★ You are viewing this record
Sibling
Jack Peterson
Sibling · 1940 · age 19
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
40 people indexed on this census page (nara:1940:m-t0627-03376-00396)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Chase | 56 | Wife | — | Illinois |
| 42 | Lou Anne Chase | 9 | Daughter | — | Oregon |
| 43 | Otto L. Chantler | 41 | Head | Maintenance Man | Minnesota |
| 44 | Grace E. Chantler | 53 | Wife | Office Manager | Pennsylvania |
| 45 | John S. Clegg | 52 | Head | Salesman | England |
| 46 | Catherine E. Clegg | 62 | Wife | — | Scotland |
| 47 | Marian E. Clegg | 24 | Daughter | Art Supplies Saleslady | Canada English |
| 48 | Pascal E. Propst | 39 | Head | Truck Driver | Texas |
| 49 | Ella M. Propst | 39 | Wife | — | Kansas |
| 50 | Lucille G. Propst | 15 | Daughter | — | Oregon |
| 51 | Alice M. Propst | 12 | Daughter | — | Oregon |
| 52 | Robert G. Propst | 10 | Son | — | Oregon |
| 53 | Willie E. Straight | 79 | Head | — | Pennsylvania |
| 54 | Ethel L. Canning | 49 | Head | — | Kansas |
| 55 | Richard M. Roland | 12 | Son | — | Kansas |
| 56 | Harold L. Knighton | 39 | Head | Auto Mechanic | Illinois |
| 57 | Adelia L. Knighton | 37 | Wife | — | Oregon |
| 58 | Howard L. Knighton | 4 | Son | — | Oregon |
| 59 | Claudia J. Knighton | 2 | Daughter | — | Washington |
| 60 | Clyde A. Green | 52 | Head | Cleaner | Iowa |
| 61 | Mable L.B. Green | 49 | Wife | — | Illinois |
| 62 | Adolphe J. Peterson | 56 | Head | Longshoreman | Missouri |
| 63 | Anna S. Peterson | 52 | Wife | — | Sweden |
| 64 | Carl A. Peterson THIS PERSON | 22 | Son | — | Oregon |
| 65 | Jack M. Peterson | 19 | Son | — | Oregon |
| 66 | Andrew D. Johnston | 34 | Head | Grocery Manager | Iowa |
| 67 | Enid M. Johnston | 32 | Wife | — | Washington |
| 68 | Frederick O. Wagner | 41 | Head | Tile Layer | New York |
| 69 | Ruth A. Wagner | 43 | Wife | — | Oregon |
| 70 | Eugene B. Rice | 54 | Head | Traveling Salesman | Wisconsin |
| 71 | Raphael Rice | 59 | Wife | — | Nevada |
| 72 | Philip Rice | 20 | Son | — | Oregon |
| 73 | Lupton G. Patterson | 58 | Head | School Teacher | Colorado |
| 74 | Dorothy Patterson | 31 | Wife | Office Nurse | Washington |
| 75 | William E. Russell | 63 | Head | Manager-Owner | Missouri |
| 76 | Laura B. Russell | 56 | Wife | — | Missouri |
| 77 | Ernestine A. Russell | 15 | Daughter | — | Missouri |
| 78 | Jesse E. Richardson | 58 | Head | Caretaker | Oregon |
| 79 | Rae E. Richardson | 76 | Wife | — | Kansas |
| 80 | George H. Finch | 54 | Head | Saw Filer | Michigan |
Pedigree Summary
Carl + 1 sibling
Gen 1 · 5 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)