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James Jensen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this James Jensen across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Jensen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | clerk |
| Industry | Publishers |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Clerk |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1920 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Jensen | Head | — | 54 | ~1886 |
| Mary Jensen | Spouse | — | 55 | ~1885 |
| Gerda Jensen | Daughter | — | 22 | ~1918 |
| James Jensen | Son | — | 20 | ~1920 |
| Alice Jensen | Daughter | — | 12 | ~1928 |
Census Appearances
1920
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Naturalization Status | Alien |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Mother Tongue | Danish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 20
Wayne-County, Michigan · implied b. ~1920 — 5 household members
| Surname | Jensen |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | clerk |
| Industry | Publishers |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 624 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 James Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Jensen (~0.92 confidence) and mother Mary Jensen (~0.92 confidence) and father James Jensen (~0.92 confidence) and father James Jensen (~0.92 confidence) and father William Jensen (~0.92 confidence) and mother Ethel Jensen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Jensen
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Jensen
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
James Jensen
b. ~1886
Source father
● Household
· direct · ~0.92
Father
James Jensen
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Jensen
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Ethel Jensen
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Jensen
Son · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Gerda Jensen
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Jensen
Sibling · 1940 · age 12
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01849-00031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy Cohen | 24 | Wife | — | Tennessee |
| 2 | Jacob Cohen | 60 | Head | Tailor | Wisconsin |
| 3 | Meta Cohen | 59 | Wife | — | Wisconsin |
| 4 | David Cohen | 34 | Son | Welder | Wisconsin |
| 5 | Irene Cohen | 20 | Daughter | Saleslady | Illinois |
| 6 | Louis T. Ohliger | 54 | Head | Clerk | Kentucky |
| 7 | Anna Ohliger | 42 | Wife | — | New York |
| 8 | Louis Jr. Ohliger | 20 | Son | Waiter | Ohio |
| 9 | Philip Ohliger | 19 | Son | Salesman | Ohio |
| 10 | John Ohliger | 14 | Son | Delivery Boy | Ohio |
| 11 | John Cora | 26 | Head | Messenger | England |
| 12 | Elizabeth Cora | 26 | Wife | Waitress | Michigan |
| 13 | George Cora | 24 | Brother | — | England |
| 14 | Margaret Cora | 26 | Sister-in-law | Packer | Michigan |
| 15 | Samuel Rabeyoff | 10 | Nephew | — | Michigan |
| 16 | Leo Rabeyoff | 6 | Nephew | — | Michigan |
| 17 | John Findley | 40 | Head | Mechanic | Kansas |
| 18 | Sybil Findley | 35 | Wife | — | Florida |
| 19 | Ruth Findley | 14 | Daughter | — | Florida |
| 20 | Grace Findley | 12 | Daughter | — | Florida |
| 21 | Dora Findley | 10 | Daughter | — | Michigan |
| 22 | George Findley | 9 | Son | — | Michigan |
| 23 | Robert Findley | 8 | Son | — | Michigan |
| 24 | Fred J. Kayser | 25 | Head | Technician | Michigan |
| 25 | Faye Kayser | 22 | Wife | Model | Michigan |
| 26 | James Jensen | 54 | Head | Toolmaker | Denmark |
| 27 | Mary Jensen | 55 | Wife | — | Denmark |
| 28 | Gerda Jensen | 22 | Daughter | Machine Operator | Michigan |
| 29 | James Jr. Jensen THIS PERSON | 20 | Son | Clerk | Michigan |
| 30 | Alice Jensen | 12 | Daughter | — | Michigan |
| 31 | — | None | — | — | — |
| 32 | Donald Powell | 24 | Head | Plater | Illinois |
| 33 | Mary Powell | 23 | Wife | — | Illinois |
| 34 | Donald Lee Powell | 5 | Son | — | Illinois |
| 35 | Jean Marie Powell | 4 | Daughter | — | Illinois |
| 36 | Mary Ann Powell | 2 | Daughter | — | Illinois |
| 37 | Martha Lou Powell | 1 | Daughter | — | Illinois |
| 38 | Isaac Baker | 43 | Head | Laborer | W. Virginia |
| 39 | Willa Baker | 40 | Wife | — | W. Virginia |
| 40 | Grace Baker | 18 | Daughter | Maid | W. Virginia |
Pedigree Summary
James + 2 siblings
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)