CJ
Carl Jensen — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Carl Jensen across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Hans & Jens — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Jensen |
| Given Name | Carl D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Doctor |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 132 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Doctor |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Jensen | Spouse | — | 29 | ~1911 |
| Carl Jensen | Son | — | 1 | ~1939 |
| Carl Jensen | Head | — | 32 | ~1908 |
| Edith Magnusen | Other | — | 34 | ~1906 |
| Rue Field | Other | — | 42 | ~1898 |
Census Appearances
1910
King, Washington
Son, age 3
King, Washington · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 11
King, Washington · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 23
King, Washington · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Laborer |
| Industry | Saw Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 32
King-County, Washington · implied b. ~1908 — 5 household members
| Surname | Jensen |
| Given Name | Carl D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle city |
| 1935 Residence (County) | King |
| Occupation | Doctor |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 132 |
| Highest Grade | C-4 |
| 1935 Residence | Same Place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Jensen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Jensen (~0.92 confidence) and father Jens Jensen (~0.92 confidence) and father Julius Jensen (~0.92 confidence) and mother Annie Jensen (~0.92 confidence) and mother Johanne Jensen (~0.92 confidence) and mother Katherine Jensen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Jensen
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Jens Jensen
b. ~1855
Source father
● Household
· direct · ~0.92
Father
Julius Jensen
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Annie Jensen
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Johanne Jensen
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Katherine Jensen
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Jensen
Head · 1940 · age 32 · b. ~1908 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-04378-00773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Claire Jensen | 24 | Servant | Servant | Washington |
| 2 | Bette Keating | 53 | Head | Dentist | Idaho |
| 3 | Claire Keating | 44 | Wife | — | Washington |
| 4 | Douglas J. Keating | 24 | Son | Station Attendant | California |
| 5 | John Keating | 21 | Son | — | Washington |
| 6 | Russell C. Burton | 55 | Head | Secretary | Michigan |
| 7 | Ettinger Burton | 49 | Wife | — | Washington |
| 8 | James Burton | 16 | Son | — | Washington |
| 9 | Eleanor Burton | 15 | Daughter | — | Washington |
| 10 | Alma Saleberg | 19 | Servant | Servant | Washington |
| 11 | Louis La Barre | 47 | Head | Broker | New York |
| 12 | Nella D. La Barre | 47 | Wife | — | Illinois |
| 13 | Cherie La Barre | 13 | Daughter | — | Washington |
| 14 | Sabako Nakamoto | 20 | Servant | Servant | Washington |
| 15 | Carl D. Jensen THIS PERSON | 32 | Head | Doctor | Washington |
| 16 | Carolyn D. Jensen | 29 | Wife | — | Maryland |
| 17 | Carl Jr. Jensen | 1 | Son | — | Washington |
| 18 | Edith Magnusen | 34 | Servant | Servant | Minnesota |
| 19 | Rue Field | 42 | Servant | Servant | Minnesota |
| 20 | Elizabeth Bolster | 50 | Head | — | Ireland |
| 21 | Edna V. Bolster | 35 | Daughter | Secretary | Washington |
| 22 | Winchester King | 37 | Head | Salesman | North Dakota |
| 23 | Mary Elizabeth King | 36 | Wife | — | Washington |
| 24 | Virginia King | 10 | Daughter | — | Washington |
| 25 | Winchester Jr. King | 5 | Son | — | Washington |
| 26 | David B. King | 4 | Son | — | Washington |
| 27 | Ray Eachinger | 56 | Head | Salesman | Minnesota |
| 28 | Alvina Eachinger | 50 | Wife | — | Scotland |
| 29 | Edwin Hallgren | 45 | Head | Salesman | Illinois |
| 30 | Edna Hallgren | 45 | Wife | — | Illinois |
| 31 | Hansen Hallgren | 19 | Son | — | Washington |
| 32 | Robert Hallgren | 15 | Son | — | Washington |
| 33 | Chadwick Knowles | 33 | Head | Secretary | Utah |
| 34 | Ruth Knowles | 27 | Wife | — | Washington |
| 35 | Cynthia Knowles | 1 | Daughter | — | Washington |
| 36 | Elinor Jacobson | 41 | Servant | Servant | Washington |
| 37 | Godfrey Nickerson | 69 | Head | Manager | California |
Related Census Records
Pedigree Summary
Carl
Gen 1 · 6 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)