CO
Carl Olson — 1940 US Census Record
Model Tree available1940 United States Federal Census · El-Paso-County, Colorado
Our Model Tree links this Carl Olson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in El-Paso-County, Colorado (XGBoost, ~Confirmed), with identified parents O & Helena — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | El-Paso-County, Colorado |
| Surname | Olson |
| Given Name | Carl O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Colorado Springs |
| 1935 Residence (County) | El Paso |
| Additional Details | |
| Occupation | Lime Burner |
| Industry | Lime Kiln |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1196 |
| Highest Grade | No 8 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Lime Burner |
| Township / Ward | Manitou Springs Town |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Donald Olson | Son | — | 5 | ~1935 |
| William Mozingo | Other | — | 35 | ~1905 |
| Carl Olson | Head | — | 42 | ~1898 |
| Verna Olson | Spouse | — | 37 | ~1903 |
Census Appearances
1900
El Paso, …
Son, age 2
El Paso, Colorado · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Jan |
| Birth Year | 1898 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
El Paso, …
Son, age 12
El Paso, Colorado · implied b. ~1898 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
El Paso, …
Son, age 21
El Paso, Colorado · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl I. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Truck Driver |
| Industry | Hardware |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
El Paso, …
Head, age 31
El Paso, Colorado · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Carl O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 30 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Roofer |
| Industry | Firm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
El-Paso-County, Colorado
Head, age 42
El-Paso-County, Colorado · implied b. ~1898 — 4 household members
| Surname | Olson |
| Given Name | Carl O. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Colorado Springs |
| 1935 Residence (County) | El Paso |
| Occupation | Lime Burner |
| Industry | Lime Kiln |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1196 |
| Highest Grade | No 8 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Olson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father O Olson (~0.92 confidence) and mother Helena Olson (~0.92 confidence) and father Samuel Olson (~0.92 confidence) and mother Ella Olson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
O Olson
b. ~1842
Source father
● Household
· direct · ~0.92
Mother
Helena Olson
b. ~1847
Source mother
● Household
· direct · ~0.92
Father
Samuel Olson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Ella Olson
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Olson
Head · 1940 · age 42 · b. ~1898 · Colorado
★ 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 — El-Paso-County, Colorado
Open full size
1940 US Federal Census — El-Paso-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00462-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William L. Murphy | 26 | Head | Auto Mechanic | Texas |
| 42 | Mary K. Murphy | 28 | Wife | — | Colorado |
| 43 | Robert L. Murphy | 4 | Son | — | Colorado |
| 44 | Martha A. Murphy | 2 | Daughter | — | Colorado |
| 45 | William A. Greer | 75 | Head | — | South Carolina |
| 46 | Nettie J. Greer | 72 | Wife | — | Illinois |
| 47 | Ina G. Klutz | 46 | Daughter | Saleslady | Texas |
| 48 | Paul A. Klutz | 18 | Grandson | New Worker | Colorado |
| 49 | Charles G. Russell | 50 | Head | Manager | Missouri |
| 50 | Kathleen E. Russell | 47 | Wife | — | Michigan |
| 51 | Carl O. Olson THIS PERSON | 42 | Head | Lime Burner | Colorado |
| 52 | Verna H. Olson | 37 | Wife | — | Missouri |
| 53 | Donald Olson | 5 | Son | — | Colorado |
| 54 | William L. Mozingo | 35 | Brother-in-law | Laborer | Missouri |
| 55 | Celestine D. Whitaker | 68 | Head | — | Indiana |
| 56 | Daisy A. Warner | 71 | Head | — | Indiana |
| 57 | Ethel R. Warner | 44 | Daughter | — | Kansas |
| 58 | Sadie E. Warner | 31 | Daughter | Manager Purchasing Dept | Kansas |
| 59 | Benjamin C. Davis | 33 | Head | Proprietor | Colorado |
| 60 | Gertrude S. Davis | 38 | Wife | Co-Proprietor | Nebraska |
| 61 | May M. Mcdowell | 63 | Head | — | Kansas |
| 62 | Theodore Groves | 46 | Head | Owner Operator | Colorado |
| 63 | Elizabeth Groves | 42 | Wife | — | Oklahoma |
| 64 | Elmer J. Groves | 59 | Head | Foreman | Missouri |
| 65 | Allene A. Groves | 29 | Wife | — | Illinois |
| 66 | Pauline B. Groves | 9 | Daughter | — | Colorado |
| 67 | Leo W. Hendricks | 25 | Head | Truck Driver | Kansas |
| 68 | Winifred Hendricks | 22 | Wife | Pbx Operator | Colorado |
| 70 | Joseph E. Shipley | 49 | Head | Painter | Kansas |
| 71 | Allie B. King | 70 | Head | Proprietor | Kansas |
| 72 | Elizabeth B. Riggs | 66 | Head | Proprietor | Nebraska |
| 73 | Evelyn M. Riggs | 17 | Daughter | — | Colorado |
| 74 | Cornelius Wilson | 64 | Head | — | Cherokee Nation |
| 75 | Ruby M. Campbell | 31 | Daughter | — | Oklahoma |
| 76 | Jay Z. Campbell | 9 | Grandson | — | Colorado |
| 77 | Jan W. Campbell | 9 | Grandson | — | Colorado |
| 78 | Frank J. Smith | 38 | Head | Tourist Solicitor | Colorado |
| 79 | Juanita J. Smith | 26 | Wife | Saleslady | Oklahoma |
| 80 | Emma E. Edenson | 61 | Head | Servant | Iowa |
Related Census Records
Pedigree Summary
Carl
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)