DASSEL, MN – Harold Jerome Mattson, 94, of Dassel, died Friday, Sept. 28, 2018, at Harmony River Center in Hutchinson. A memorial service will take place Friday, Oct. 5, at 11 a.m. at Stockholm Lutheran Church, rural Cokato, with interment of the urn at Stockholm Lutheran Cemetery. There will be a time to gather with the family one hour prior to the service. Memorials are preferred to Stockholm Lutheran Church. Arrangements are with the Johnson Funeral Home of Cokato.