Frank Marienau, 76,of Merrill, Iowa passed away Sunday, June 27, 2010, at his home in Merrill. Funeral services will be at 10:30 a.m. Thursday, July 1, 2010 at Merrill United Methodist Church. Interment with military honors provided by the Olson-Halweg American Legion Post #125 of Merrill will be at Hillside Cemetery in Merrill. Visitation with family present will be after 4 p.m. Wednesday June 30, 2010 followed by a 7 p.m. prayer service at the Carlsen Funeral Home in Le Mars. Visitation will continue Thursday morning at the church from 9:30 a.m. until service time. Expressions of sympathy can be extended to the family through Carlsen Funeral Home.