ARMSTRONG, Iowa — Delmer Hardecopf, 75, of Armstrong, Iowa, passed away on April 2, 2025, at Mayo Health Center in Mankato, Minn. Funeral services for Hardecopf will be held at 10:30 a.m. on Tuesday, April 8, at Nazareth Lutheran Church in Armstrong, burial to follow at Armstrong Grove Cemetery. Visitation was held from 5 to 7 p.m. on Monday, April 7, at Nazareth Lutheran Church in Armstrong. Henry Olson Funeral Home of Armstrong is assisting the family with arrangements.