Frank Alan Duncan, 69, of Iowa Falls, Iowa, passed away Wednesday, February 4, 2026, at Mercy 1 Waterloo, Iowa. Funeral service for Frank Alan Duncan will be 11:00 a.m. Wednesday, February 11,2026, at Linns Funeral Home Iowa Falls Chapel. Visitation will be one-hour prior to service. The Linn’s Funeral Home Chapel Iowa Falls is assisting the family with arrangements. Memorials may be directed to the family: Frank Duncan Memorial c/o Linn’s Funeral Home, 1521 Washington Avenue, Iowa Falls, Iowa 50126.