She was born Feb. 26, 1923 in Kansas City, Mo. Annetta graduated from Adamson High School in 1941 and attended Southern Methodist University. She worked for Mobil Oil Company for 43 years. She helped her husband start Wistol Supply in 1985 and worked with him until they sold the business in 2004.
She was a member of King of Glory Lutheran Church in Texas and enjoyed the competition of duplicate bridge and became a Life Master in 1982. She was a regular player at Valley View Bridge Club for many years.
Annetta was preceded in death by her husband Warren W. Olson of Cambridge and twin sister Anna H. Murray. She is survived by her niece Laura Fincher and husband James, step-daughter Molly Olson-Blomgren and husband Jim, grandchildren Ben and Amanda Blomgren, and other relatives and friends.
Funeral Services were held Thursday, December 15, 2011 in Texas and interment was in the Cambridge Lutheran Cemetery on Monday, December 19, 2011 with Rev. David Everett officiating. Local arrangements were with the Carlson-Lillemoen Funeral Home and Cremation Services of Cambridge.