AO
Albert Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Albert Olson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Conrad & Conrad — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Attorney |
| Industry | Law firm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 2300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Attorney |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Viola Olson | Spouse | — | 30 | ~1910 |
| Albert Olson | Head | — | 27 | ~1913 |
| Kent Olson | Son | — | ~1940 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Helper |
| Industry | Paint Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 27
Cook-County, Illinois · implied b. ~1913 — 3 household members
| Surname | Olson |
| Given Name | Albert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Attorney |
| Industry | Law firm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 2300 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Albert Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Conrad Olsen (~0.92 confidence) and father Conrad Olsen (~0.92 confidence) and mother Andrea Olsen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Conrad Olsen
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Conrad Olsen
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Andrea Olsen
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Olson
Head · 1940 · age 27 · b. ~1913 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00959-00588)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Blaine Reif | 45 | Head | Accountant | West Virginia |
| 2 | Mabel (X) Reif | 46 | Wife | — | Illinois |
| 3 | Raymond Reif | 14 | Son | — | Illinois |
| 4 | Arthur Bjorkman | 30 | Head | Office Exec. | Illinois |
| 5 | Grace (X) Bjorkman | 30 | Wife | — | Illinois |
| 6 | Glenn Bjorkman | 1 | Son | — | Illinois |
| 7 | Arthur Stilwell | 27 | Head | Truck Driver | Indiana |
| 8 | Mattie (X) Stilwell | 20 | Wife | — | Kentucky |
| 9 | Mary Dizney | 57 | Mother-in-law | — | Kentucky |
| 10 | George Spencer | 47 | Head | Electrician | Illinois |
| 11 | Ethel (X) Spencer | 46 | Wife | — | Illinois |
| 12 | George Spencer | 22 | Son | Winder-Stripper | Illinois |
| 13 | Helen Spencer | 19 | Daughter | Gen. Off. Work | Illinois |
| 14 | John Crowley | 42 | Head | Policeman | Illinois |
| 15 | Ann (X) Crowley | 42 | Wife | — | Illinois |
| 16 | Donald Crowley | 13 | Son | — | Illinois |
| 17 | John Jr. Crowley | 9 | Son | — | Illinois |
| 18 | Joseph Many | 50 | Head | Salesman | Illinois |
| 19 | Louise (X) Many | 49 | Wife | — | Illinois |
| 20 | Thomas Jane | 54 | Head | Carpenter | England |
| 21 | Bessie (X) Jane | 45 | Wife | — | Illinois |
| 22 | Russell Jane | 26 | Son | New Worker | Illinois |
| 23 | Eleanor Jane | 17 | Daughter | — | Illinois |
| 24 | Dorothy Jane | 11 | Daughter | — | Illinois |
| 25 | John Jane | 5 | Son | — | Illinois |
| 26 | Albert Olson THIS PERSON | 27 | Head | Attorney | Illinois |
| 27 | Viola (X) Olson | 30 | Wife | — | Illinois |
| 28 | Kent Olson | 0 | Son | — | Illinois |
| 29 | Alexander Hannelas | 45 | Head | Candy Manuf. | Greece |
| 30 | Edith Hannelas | 42 | Wife | Teacher | Illinois |
| 31 | John Hannelas | 14 | Son | — | Illinois |
| 32 | Joseph Schwarz | 34 | Head | Manager | Illinois |
| 33 | Vernette Schwarz | 33 | Wife | — | Illinois |
| 34 | Robert Schwarz | 5 | Son | — | Illinois |
| 35 | Vernette Schwarz | 4 | Daughter | — | Illinois |
| 36 | Laurence Schwarz | 0 | Son | — | Illinois |
| 37 | Frances Rozinski | 19 | Maid | Housework | Illinois |
| 38 | Irving Johnston | 51 | Head | Inspecting Eng. | Illinois |
| 39 | Judith (X) Johnston | 51 | Wife | — | Iowa |
Pedigree Summary
Albert
Gen 1 · 3 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)