RJ
Robert Jensen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Robert Jensen across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak City |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Occupation | Electrician |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Electrician |
| Township / Ward | Royal Oak City |
| Est. Birth Year | ~1915 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Harry Jensen | Head | — | 61 | ~1879 |
| Sarah Jordan | Other | — | 50 | ~1890 |
| Bertha Jensen | Spouse | — | 55 | ~1885 |
| Robert Jensen | Son | — | 25 | ~1915 |
| Sarah Western | Other | — | 76 | ~1864 |
Census Appearances
1920
Oakland, Michigan
Son, age 5
Oakland, Michigan · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Danish |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Oakland, Michigan
Son, age 15
Oakland, Michigan · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jensen |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Son, age 25
Oakland-County, Michigan · implied b. ~1915 — 5 household members
| Surname | Jensen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Royal Oak City |
| 1935 Residence (County) | Oakland |
| Occupation | Electrician |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Robert Jensen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Jensen (~0.92 confidence) and father Harry Jensen (~0.92 confidence) and mother Bertha Jensen (~0.92 confidence) and mother Hulda Jensen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Jensen
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Harry Jensen
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Bertha Jensen
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Hulda Jensen
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jensen
Son · 1940 · age 25 · b. ~1915 · Michigan
★ 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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01802-00445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ralph Cole | 34 | Lodger | Bricklayer | Canada |
| 42 | Charlotte Cole | 20 | Daughter | Comptometer | Michigan |
| 43 | Caroline Gerke | 56 | Sister | Practical Nurse | Michigan |
| 44 | Ruth Quest | 20 | Lodger | Technician | Minnesota |
| 45 | John Gerke | 26 | Head | Teacher | Michigan |
| 46 | Madeline Gerke | 21 | Wife | — | Michigan |
| 47 | Ann Gerke | 1 | Daughter | — | Michigan |
| 48 | Kathryn Gerke | 0 | Daughter | — | Michigan |
| 49 | Joseph Durieth | 56 | Head | Foreman | Canada |
| 50 | Lilia Durieth | 60 | Wife | — | Canada |
| 51 | Bessie Durieth | 22 | Daughter | Clerk | Michigan |
| 52 | Betty Durieth | 19 | Daughter | — | Michigan |
| 53 | Enos Wilding | 59 | Head | Instructor | England |
| 54 | Jenny Wilding | 57 | Wife | — | Rhode Island |
| 55 | J. P. Kegharian | 63 | Head | — | Turkey |
| 56 | Lucy Kegharian | 28 | Daughter | Seamstress | Turkey |
| 57 | Thelda Kegharian | 23 | Daughter | Clerk | Egypt |
| 58 | Henry Kegharian | 18 | Son | — | Michigan |
| 59 | Louis Dehmary | 37 | Head | Labor | Michigan |
| 60 | Caroline Dehmary | 34 | Wife | — | Illinois |
| 61 | Geraldine Dehmary | 16 | Daughter | — | Michigan |
| 62 | John Watson | 34 | Head | Engineer Dept | New Jersey |
| 63 | Janett Watson | 25 | Wife | — | Massachusetts |
| 64 | Harry B. Jensen | 61 | Head | Electrician | Denmark |
| 65 | Bertha Jensen | 55 | Wife | — | Denmark |
| 66 | Robert Jensen THIS PERSON | 25 | Son | Electrician | Michigan |
| 67 | Sarah J. Western | 76 | Lodger | — | England |
| 68 | Sarah Jordan | 50 | Lodger | — | Minnesota |
| 69 | William H. Williams | 61 | Head | Sheet Metal Worker | England |
| 70 | Violet Williams | 51 | Wife | — | England |
| 71 | William Jr. Williams | 26 | Son | Sheet Metal Worker | England |
| 72 | Jessie E. Williams | 26 | Daughter-in-law | — | Michigan |
| 73 | Ronald J. Williams | 21 | Son | Truck Driver | England |
| 74 | Edward Kurtz | 57 | Head | Teacher | Michigan |
| 75 | Margaret Kurtz | 55 | Wife | — | Michigan |
| 76 | Pauline Kurtz | 20 | Daughter | — | New York |
| 77 | Virginia Kurtz | 18 | Daughter | — | Michigan |
| 78 | Leon Fink | 31 | Head | Trimmer | Pennsylvania |
| 79 | Mary Fink | 30 | Wife | — | Pennsylvania |
| 80 | Joyce Fink | 0 | Daughter | — | Michigan |
Pedigree Summary
Robert
Gen 1 · 4 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)