Lois Marie (Mueller) Olson, 77, of Grand Rapids, MN, passed away peacefully in her home on Thursday, March 31st, 2016. She was born November 12, 1938 in Princeton, MN to Carl and Ruth Mueller. She was a graduate of Greenway High School in 1956. Lois married Don Olson in 1961. Don and Lois enjoyed camping, fishing and traveling all over the U.S. and Canada. If you saw Don, you saw Lois. Don worked at Blandin Paper Co. for 30 years while Lois worked at Hawkinson Construction for 30 years. She was preceded in death by her parents; husband Don Olson and daughter Lori Olson. Lois is survived by her son, Scott (Dee Dee) Olson; daughters, Vicki (Bucky) Latimer, Pam (Butch) Olson; 5 grandchildren; 2 step-grandchildren; 11 great-grandchildren; and 1 gr. Great-grandson. Her presence is and will be greatly missed.