Catherine L. Olson, 68, of Chandler, AZ formerly of Rochester, MN died February 21, 2018 at her residence in Chandler. Catherine Lynn Tighe was born August 13, 1949 to John and H. Jean (Wildman) Tighe in Sioux City, IA. Catherine was raised in Nebraska until her family moved to a farm near Zumbro Falls in 1958. She attended St. John's Catholic grade school in Rochester and 1 year at Lourdes. She graduated from Lake City High School in 1967. In 1970 she completed the Saint Marys LPN program and became a RN in 1994. On August 20, 1988 she married Dan Olson. She worked at the Mayo Clinic until retiring in 2010. After retirement she worked for the Rochester Public Schools from 2010-2014 helping with Early Childhood Screening. Catherine enjoyed hiking, traveling and flower gardening and especially enjoyed spending time with her grandchildren that she deeply adored. She is survived by her husband, Dan of Chandler, AZ; four children, Jeremy (Jamie) Olson of Rochester, MN, Rebecca (Alan) Ihde of Oronoco, MN, Amy (Eric) Kinneman of Phoenix, AZ and Angela (Kevin) Manahan of Rochester, MN; her mother, H. Jean Tighe of Hastings, MN; nine grandchildren, Jacob, Breanna, Zackery, Addisyn, Ryder, Lillie, Joseph, Regan and Myles; two brothers, Mike Tighe of Zumbro Falls, MN and Tom Tighe of Minneapolis, MN; and two sisters, Patti (Mark) Sontag of Altoona, WI and Janice Meyer of Eagan, MN. She was preceded in death by her father, John in 1991; and a grandson, Ethan. A Memorial Service will be held at 2:00 p.m. on Friday, March 9, 2018 at Ranfranz and Vine Funeral Homes. Visitation will be held from 4:00-7:00 p.m. on Thursday, March 8, 2018 at Ranfranz and Vine Funeral Homes and one hour prior to the service on Friday at the funeral home. Memorials are suggested to the American Cancer Society or the American Lung Association.