Alta (Siders) Baack, 80, of Wellesley, Massachusetts, formerly of Le Mars, Iowa, passed away on Saturday, January 23, 2016 at her home following a lengthy illness. Funeral services will take place at 10:30 a.m. on Saturday, February 6, 2016 at St. John’s Lutheran Church in Le Mars. Rev. Chris Meier will officiate. Burial will follow at Memorial Cemetery in Le Mars. Visitation will begin at 9:00 a.m. on Saturday at the church. The Mauer – Johnson Funeral Home in Le Mars is assisting the family with funeral arrangements. Expressions of sympathy may be directed through www.mauerjohnsonfh.com