Olaf W. Andersen emigrated from Oslo circa 1911

[Joseph Kurosz]

Hello,  
 
I am trying to help a friend find a record of her fathers birth and his parents names, etc.  We are looking for Olaf W. Andersen, born 21 April 1891, who emigrated from/via Kristiania - Oslo circa 1911.  Attached is the information we have from the U.S. Census 1920 and 1930.  
 
From another source we verified that his wife to be, Lilly E. Hansen, emigrated 14 March 1913 from Kristiania - Oslo to Lynn, Massachusetts.  
 
1920 U.S. Census  
 
Boston, Ward 21, Suffolk County, Massachusetts; Page 12A, Enumeration District 511  
23 Elmhurst Street; Dwelling 121; Family 123  
 
Name: Olaf Anderson, head of household  
Age: 28
Immigrated: 1911  
Naturalized: Alien  
Born: Norway; both parents born Norway  
Occupation: House painter in a paint shop the family was renting  
 
Name: Lillian Anderson, wife  
Age: 23  
Immigrated: 1913  
Naturalized: Alien  
Born: Norway; both parents born Norway  
 
Name: Ruth Anderson; daughter, Age: 2 years 10 months  
Born: Massachusetts; both parents born Norway  
 
1930 U.S. Census  
 
Melrose, Middlesex County, Massachusetts; Page 19A, Enumeration District 350  
No. 6?5 Dillon? Road; Dwelling 427; Family 423  
 
Name: Olaf W. Anderson, head of household  
Age: 38  
Age at first marriage: 25  
Immigrated: 1911  
Naturalized: Yes  
Born: Norway; both parents born Norway  
Occupation: Interior painter  
The family owned their home which was valued at $3000.00 as well as a radio set.  
 
Name: Lillian E. Anderson, wife  
Age: 34  
Age at first marriage: 21  
Immigrated: 1913  
Naturalized: Yes  
Born: Norway; both parents born Norway  
 
Name: Ruth M. Anderson, daughter, Age: 13  
Name: Carl O. Anderson, son, Age: 10  
Name: Lillian C. Anderson, daughter, Age: 8  
Name: Olaf A. Anderson, son, Age: 7  
 
All the children were born in Massachusetts and were attending school.

[Chris Bingefors]

Olaf W Andersen arrived in Boston:
 
Name: Olaf Wilhelm Andersen  
Arrival Date: 13 Apr 1911  
Age: 20 years  
Estimated Birth Year: abt 1891  
Gender: Male  
Ethnic Background: Scandinavian  
Port of Departure: Liverpool, England  
Ship Name: Ivernia  
Port of Arrival: Boston, Massachusetts  
Friend's Name: Hans Christensen  
Last Residence: Norway  
Microfilm Roll Number: 161  
 
Nearest relative in Norway:
Father Karl Anderssen
Gubberogade 4, Moss

[Chris Bingefors]

According to the 1900 census in Norway:
Olaf was the son of carpenter Karl Andersen b. 1868 in Vaaler and Karen Andersen b 1864 in Vaaler.
In 1900 he had 4 siblings:
Dagny 1892
Isak 1894
Fritjof 1896
Margit 10 dec 1898
 
They lived at Vaerlebakklökkene 37, in an apartment building  in Moss, Östfold fylkke (county)