PJ
Peter Jensen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Oregon
Our Model Tree links this Peter Jensen across the 1930 and 1940 US Censuses in Marion-County, Oregon (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Oregon |
| Surname | Jensen |
| Given Name | Peter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Gervais |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Farm Laborer |
| Township / Ward | Gervais |
| Est. Birth Year | ~1922 |
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 Peter | Age | Birth yr |
|---|---|---|---|---|
| Marie Jensen | Daughter | — | 20 | ~1920 |
| Andrew Jensen | Son | — | 22 | ~1918 |
| Ellen Jensen | Daughter | — | 16 | ~1924 |
| P Jensen | Head | — | 56 | ~1884 |
| Peter Jensen | Son | — | 18 | ~1922 |
| Bertha Jensen | Spouse | — | 59 | ~1881 |
Census Appearances
1930
Marion, Oregon
Son, age 8
Marion, Oregon · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Peter Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Marion-County, Oregon
Son, age 18
Marion-County, Oregon · implied b. ~1922 — 6 household members
| Surname | Jensen |
| Given Name | Peter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Gervais |
| 1935 Residence (County) | Marion |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 266 |
| Highest Grade | Hs 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 Peter Jensen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Peter Jensen
Son · 1940 · age 18 · b. ~1922 · Oregon
★ You are viewing this record
Sibling
Ellen Jensen
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Jensen
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Jensen
Sibling · 1940 · age 22
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 — Marion-County, Oregon
Open full size
1940 US Federal Census — Marion-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03375-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Philip Riehl | 64 | Head | Farm Operator | Russia |
| 2 | Katie Riehl | 58 | Wife | — | Hungary |
| 3 | Elizabeth Riehl | 20 | Daughter | Farm Laborer | Oregon |
| 4 | Dorothy Riehl | 14 | Daughter | — | Oregon |
| 5 | Evelyn Riehl | 13 | Daughter | — | Oregon |
| 6 | Joseph Frahler | 69 | Head | — | Rumania |
| 7 | Katy Frahler | 74 | Wife | — | Rumania |
| 8 | W. C. Rogers | 55 | Head | Farm Operator | Alabama |
| 9 | Mary A. Rogers | 55 | Wife | — | Missouri |
| 10 | M. L. Fessen | 34 | Head | Manager | Arkansas |
| 11 | Veda Fessen | 29 | Wife | — | Arkansas |
| 12 | Loretta Fessen | 11 | Daughter | — | Arkansas |
| 13 | Malvin Fessen | 5 | Son | — | Same place |
| 14 | G. R. Ab Vanderbeck | 71 | Head | Farm Laborer | Oregon |
| 15 | R. A. Vanderbeck | 43 | Son | Farm Laborer | Oregon |
| 16 | Samuel Franzen | 55 | Head | Polisher | Hungary |
| 17 | Katherine Franzen | 56 | Wife | — | Hungary |
| 18 | Jesse E. Coburn | 39 | Head | Ditch Grading | Iowa |
| 19 | Gertrude Coburn | 43 | Wife | — | Iowa |
| 20 | Virgil Coburn | 24 | Son | Laborer | Iowa |
| 21 | Edna Mae Coburn | 15 | Daughter | — | Iowa |
| 22 | Marvin Coburn | 11 | Son | — | Iowa |
| 23 | Don Coburn | 9 | Son | — | Iowa |
| 24 | Betty Lou Coburn | 6 | Daughter | — | Oregon |
| 25 | Frank Saalfeld | 68 | Head | Farm Operator | Germany |
| 26 | Mary Saalfeld | 64 | Wife | — | Germany |
| 27 | Joseph Saalfeld | 37 | Son | Farm Laborer | Texas |
| 28 | Cecelia (Ab) Saalfeld | 22 | Daughter | Stenographer | Oregon |
| 29 | Frances Deibele | 33 | Head | — | Czechoslovakia |
| 30 | W. H. Pungel | 46 | Head | Ditch Grader | Wisconsin |
| 31 | Cora Pungel | 46 | Wife | — | Missouri |
| 32 | P. C. Jensen | 56 | Head | Work Foreman | Denmark |
| 33 | Bertha M. Jensen | 59 | Wife | — | Denmark |
| 34 | Andrew Jensen | 22 | Son | — | Oregon |
| 35 | Marie Jensen | 20 | Daughter | — | Oregon |
| 36 | Peter E. Jensen THIS PERSON | 18 | Son | Farm Laborer | Oregon |
| 37 | Ellen Jensen | 16 | Daughter | — | Oregon |
| 38 | Irene Entiforth | 73 | Head | — | Wisconsin |
| 39 | Severin Simonson | 76 | Head | Farm Operator | Norway |
| 40 | Adolph Neirson | 73 | Head | — | Iowa |
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)