Looking for Hjordis Sofia BANG born Harstad 1896

I am looking for my grandmother: Hjordis Sofia Bang b. May 21,1896 Harstad, Norway to Bernhardt Andreas Bang & Pauline Andrea Lockert She was the eldest of 14 children. She immigrated in 1915 from Norway to USA. One of her brothers was for a short time the mayor of Oslo, Norway. I am stuck.[8]I know that when she arrived that she worked as a housekeeper for the Sweedish Consul, although I do not know where. She eventually settled in Lake Oswego, Oregon, USA and married Frank Oscar Anderson. ANy help would be most appreciated. Thanks You for your time.