Extract from the 1891 Norway Census:
Name: Olaf Sigvald Berg
Birth year: 1890
Gender: mann (male)
Birth place: Herred
Relation to head: søn
Marital status: ugift (single)
Residence place: Sandeh., Sandar, Vestfold, Norway
Counting district number: 10
houselist number: 56
Person number: 4
Date: 1 Jan 1891
Household members:
Johan Salomon Berg - familiens overhode (head of the family)
Cecilie Sofie Berg - hustru (wife)
Wilhelm Berg - søn
Olaf Sigvald Berg - søn
Karen Marie Andersen b. 1844 - tjenestetyende (domestic)
Karl Oscar Nilsen b. 1872 - tjenestetyende (domestic)

Extract from the 1905 Wisconsin State Census:
Name: Olaf Berg
Age: 15
Estimated birth year: 1890
Birthplace: Norway
Race: white
Gender: male
Relation to head of house: son
Residence county: Douglas
Residence state: Wisconsin
Locality: Superior
Marital status: single
Father's birthplace: Norway
Mother's birthplace: Norway
Occupation: laborer
Months employed: 8
Siblings living at home: William (age 18), Severt (13), Harold (10), Alvilda (6), and Florence (3)
Census date: 1 Jun 1905
Line: 23
Roll: CSUSAWI1905_9

Extract from the 1910 Census:
Name: Olaf Berg
Age in 1910: 20
Estimated birth year: 1890
Birthplace: Norway
Race: white
Sex: male
Relationship to head of family: son
Home in 1910: Superior Ward 9, Douglas, Wisconsin
Address: 1701 Susquehanna Avenue
Marital status: single
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Norway
Mother's birthplace: Norway
Occupation: locomotive fireman
Industry: Great Northern Railway
Salary or wage worker: wages
Siblings living at home: William (age 22), Severt (18), Harry (15), Viola (10), and Florence (8)
Census place: Superior Ward 9, Douglas, Wisconsin; Roll: T624_1707; Page: 17A; Enumeration District: 105; Image: 1400
Date: 28 Apr 1910
Note: name listed as "Olof Berg" by Ancestry.com.

Extract from U.S. Army Register of Enlistments, 1798-1914:
Name: Olaf Berg
Enlistment age: 21 2/12
Estimated birth year: 1890
Birthplace: Superior, Wisconsin
Enlistment date: 8 Apr 1911
Enlistment place: Fort Snelling, Minnesota
Enlistment period: 3 years
Occupation: fireman
Eyes: brown
Hair: dark
Complexion: fair
Height: 5 feet 5½ inches
Regiment: 22 by
Company: H
Last service: none
Remarks: discharged 12 Aug 1911; sworn [?] 3 Mar 1915; discharged dis[abled] 18 Apr 1915.

Extract from U.S. City Directories 1821-1989:
Name: Olaf C Berg
Gender: male
Street address: 1701 Susquehanna Avenue
City: Superior, Wisconsin
Occupation: florist
Spouse: none
Residence year: 1917
Publication title: Superior, Wisconsin, City Directory

Extract from World War I Draft Registration Cards, 1917-1918:
Name: Olaf Chas Berg
City: Superior
County: Douglas
State: Wisconsin
Birthplace: Bergen, Norway
Birth date: 13 Jan 1890
Race: caucasian
FHL roll number:
Draft board: 1
Address: 1701 Susque, Superior, Wisconsin
Citizenship: naturalized
Occupation: florist
Employer: William Berg
Where employed: Superior, Wisconsin
Dependents: none
Marital status: single
Military service: private - infantry, 18 months, Regulars
Exemption claimed:
Age: 27
Height: medium
Build: medium
Eyes: brown
Hair: dark brown
Bald: no
Disability: none
Date: 5 Jun 1917

Extract from the 1920 Census:
Name: Olaf Berg
Age: 30
Estimated birth year: 1890
Birthplace: Norway
Native tongue: Norwegian
Race: white
Sex: male
Relationship to head of house: son
Home in 1920: Superior, Douglas, Wisconsin
Address: 1701 Susquehanna Avenue
Marital status: single
Able to speak English: yes
Able to read and write: yes
Father's birthplace: Norway
Father's native tongue: Norwegian
Mother's birthplace: Norway
Mother's native tongue: Norwegian
Occupation: gardener
Type of industry: greenhouse
Salary or wage worker: wages
Siblings living at home: William (age 32), Sivert (28), Viola (20), and Florence (18)
Census place: Superior Ward 9, Douglas, Wisconsin; Roll: T625_1985; Page: 13A; Enumeration District: 89; Image: 432
Date: 10 Jan 1920

Extract from 1930 Census:
Name: Olaf Berg
Age: 39
Estimated birth year: 1891
Birthplace: Wisconsin
Race: white
Sex: male
Relation to head-of-house: son
Parents: John and Sophia Berg, ages 72 and 70
Home in 1930: Superior, Douglas, Wisconsin
Address: 1701 Susquehanna Avenue
Marital status: divorced
Education: able to speak English
Education: able to read and write
Fathers' birthplace: Norway
Mothers' birthplace: Norway
Year of immigration: 1895; naturalized
Military service: yes - World War
Occupation: landscape gardener
Industry: greenhouse
Salary or wage worker: wages
Siblings living at home: William (age 42), Viola Hand (30), and Florence (28)
Census place: Superior, Douglas, Wisconsin; Roll: 2570; Page: ; Enumeration District: 40; Image: 733.0
Date: 4 Apr 1930

Extract from U.S. City Directories 1821-1989:
Name: Olaf C Berg
Gender: male
Street address: 2006 Iowa Avenue
City: Superior, Wisconsin
Occupation: florist
Spouse: Ruth Berg
Residence year: 1935
Publication title: Superior, Wisconsin, City Directory

Extract from the 1940 Census:
Name: Olaf C Berg
Age: 50
Estimated birth year: 1890
Birthplace: Norway
Race: white
Sex: male
Relation to head-of-house: head
Home in 1940: Superior, Douglas, Wisconsin
Address: 2006 Iowa Avenue
Marital status: married
Citizenship: naturalized
Highest grade of school completed: 8
Living on farm: no
Home owned or rented: owned
Value of home: $1000
Place of residence in 1935: same house
Occupation: laborer
Industry: W.P.A.
Salary or wage worker: wages
Number of weeks worked in 1939: 51
Amount of money wages or salary: $600
Has other income of more than $50: no
At work during week of March 24-30: no
Number of hours worked: 0
Census place: Superior, Douglas, Wisconsin; Roll: T627_4475; Page: 32B; Enumeration District: 16-41
Date: 8 May 1940

Extract from U.S. World War II Draft Registration Cards, 1942:
Name: Olaf Charles Berg
Age: 52
Birth date: 13 Jan 1890
Birth place: Narvick, Norway [sic]
Race: white
Address: 2006 Iowa, Superior, Douglas, Wisconsin
Telephone: none
Name of person who will always know your address: Mrs Olaf C Berg, 2006 Iowa, Superior, Wisconsin
Employer: Northern Pacific Railway
Place of employment: Northern Pacific Railway, Superior, Douglas, Wisconsin
Height: 5 feet 8 inches
Weight: 175
Eyes: brown
Hair: brown
Complexion: ruddy
Other characteristics: not listed
Date: 25 Apr 1942

Extract from the 1950 Census:
Name: Olaf C Berg
Age: 60
Estimated birth year: 1890
Birthplace: Norway
Race: white
Sex: male
Relation to head-of-house: head
Home in 1950: Superior, Douglas, Wisconsin
Address: 2006 Iowa Avenue
Marital status: married
Living on farm: no
Occupation: unable to work
Census place: Superior, Douglas, Wisconsin
Date: 13 Apr 1950

Extract from U.S. Department of Veterans Affairs BIRLS Death File, 1850-2010:
Name: Olaf Berg
Birth date: 13 Jan 1890
Death date: 15 Mar 1973
Cause of death: not listed
SSN: 391-10-2456
Branch: Army
Branch: not listed
Enlistment date: 2 May 1918
Release date: 23 Jun 1919

Extract from Wisconsin Deaths, 1959-1997:
Name: Olaf C Berg
Age: 83
Estimated birth date: 1890
Sex: male
Death date: 15 Mar 1973
County: Douglas
City: Parkland
Certificate: 007574