Leo Deiterman, 89, of rural Merrill, Iowa, passed away Sunday, July 7, 2024, at his home. Funeral service will be at 10:30 a.m. on Thursday, July 11, 2024, at Rexwinkel Funeral Home in Le Mars. Reverend Bruce Lawler from All Saints Catholic Parish in Le Mars will officiate. Burial will follow at Hillside Cemetery in Merrill. Visitation with the family present will be from 4:00 p.m. to 7:00 p.m. on Wednesday, July 10, 2024, at Rexwinkel Funeral Home in Le Mars. Visitation will resume from 9:30 a.m. until service time on Thursday at the funeral home. Arrangements are with the Rexwinkel Funeral Home in Le Mars. Expressions of sympathy can be extended to the family through www.rexwinkelfh.com.