Shirrell Mortenson, 78, of Willow Lake, passed away peacefully surrounded by family on November 14, 2025.  There are currently no funeral services pending, with Furness Funeral Home assisting the Mortenson family with arrangements.

Expressions of Sympathy may be sent to the funeral home for forwarding to family:
The Family of Sherrill Mortenson
C/O Furness Funeral Home
402 North Commercial Street
Clark, South Dakota 57225