CO
Charles Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Olson across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Ingrid & Nels — first a head (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Olson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Common Carrier |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1420 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Chauffeur |
| Township / Ward | Chicago |
| Est. Birth Year | ~1893 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Esther Anderson | Other | — | 73 | ~1867 |
| Charles Olson | Head | — | 47 | ~1893 |
| Richard Olson | Son | — | 13 | ~1927 |
| Elmer Olson | Son | — | 16 | ~1924 |
| Lillian Olson | Spouse | — | 47 | ~1893 |
Census Appearances
1910
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Shipping Clerk |
| Industry | Sheet Iron |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 27
Cook, Illinois · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Dealer |
| Industry | Food Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Son, age 37
Cook, Illinois · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driver |
| Industry | Laundry Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 47
Cook-County, Illinois · implied b. ~1893 — 5 household members
| Surname | Olson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Chauffeur |
| Industry | Common Carrier |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1420 |
| Highest Grade | 8 |
| 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 Charles Olson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ingrid Olson (~0.92 confidence) and father Nels Olson (~0.92 confidence) and father Ernest Olson (~0.92 confidence) and mother Ingrid Olson (~0.92 confidence) and mother Alba Olson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ingrid Olson
b. ~1851
Source mother
● Household
· direct · ~0.92
Father
Nels Olson
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Ernest Olson
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Ingrid Olson
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Alba Olson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Olson
Head · 1940 · age 47 · b. ~1893 · 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
40 people indexed on this census page (nara:1940:m-t0627-00993-00377)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George W. Robinson | 41 | Head | Real Estate | Illinois |
| 2 | Doris A. Robinson | 35 | Wife | — | Illinois |
| 3 | Marilyn Robinson | 12 | Daughter | — | Illinois |
| 4 | Dolores Robinson | 10 | Daughter | — | Illinois |
| 5 | Barbara Robinson | 2 | Daughter | — | Illinois |
| 6 | Ruby Davis | 27 | Maid | Housework | Wisconsin |
| 7 | Charles J. Sanson | 55 | Head | Office Work | Illinois |
| 8 | Catherine Sanson | 55 | Wife | — | Illinois |
| 9 | Eleanor Swensen | 29 | Daughter | — | Illinois |
| 10 | Earl V. Swensen | 34 | Son-in-law | Brick Layer | Illinois |
| 11 | Charles J. Swensen | 4 | Grandson | — | Illinois |
| 12 | Charles Olson THIS PERSON | 47 | Head | Chauffeur | Illinois |
| 13 | Lillian Olson | 47 | Wife | — | Illinois |
| 14 | Elmer Olson | 16 | Son | — | Illinois |
| 15 | Richard Olson | 13 | Son | — | Illinois |
| 16 | Esther Anderson | 73 | Sister-in-law | — | Sweden |
| 17 | Thomas Wifford | 46 | Head | Maintenance | Ohio |
| 18 | Erma Wifford | 38 | Wife | — | Illinois |
| 19 | Leroy Wifford | 15 | Son | — | Illinois |
| 20 | Dorothy Wifford | 9 | Daughter | — | Illinois |
| 21 | Esther Jensen | 36 | Wife | — | Illinois |
| 22 | James F. Jensen | 39 | Head | Coal Hauling | Illinois |
| 23 | Dorothy Jensen | 14 | Daughter | — | Illinois |
| 24 | James Jr. Jensen | 12 | Son | — | Illinois |
| 25 | Robert Jensen | 5 | Son | — | Illinois |
| 26 | Donald Wohl | 29 | Head | Bailiff | Illinois |
| 27 | Josephine Wohl | 30 | Wife | — | Illinois |
| 28 | William Nelson | 43 | Head | Carpenter | New York |
| 29 | Catherine Nelson | 39 | Wife | — | New Jersey |
| 30 | William Jr. Nelson | 21 | Son | Sales Clerk | New Jersey |
| 31 | Claude Nelson | 17 | Son | Bus Boy | New York |
| 32 | Joseph Schwartz | 42 | Lodger | Houseman | Russia |
| 33 | Philip Mcconnell | 62 | Head | Sta. Engineer | Norway |
| 34 | Maren Mcconnell | 64 | Wife | — | Norway |
| 35 | Louis Westphal | 36 | Head | Lather | Illinois |
| 36 | Adele Westphal | 31 | Wife | — | Illinois |
| 37 | Elaine Westphal | 8 | Daughter | — | Illinois |
| 38 | Emil Rodgers | 27 | Head | Foreman | Illinois |
| 39 | Antoinette Rodgers | 27 | Wife | — | Illinois |
| 40 | Thomas Rodgers | 2 | Son | — | Illinois |
Related Census Records
Pedigree Summary
Charles
Gen 1 · 5 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)