Diann Lynn Hamann, 70, of Le Mars, Iowa passed away on Thursday, April 8, 2021 at MercyOne in Sioux City, Iowa. Funeral services will take place at 11:30 a.m. on Saturday, April 17, 2021 at the Mauer – Johnson Funeral Home in Le Mars. Rev. Dr. Jean Ziettlow will officiate. Burial will follow at Memorial Cemetery in Le Mars. Visitation will begin at 10:00 a.m. on Saturday at the funeral home. Expressions of sympathy may be directed through www.mauerjohnsonfh.com