Catherine Kay Mercer Obituary
With solemn hearts, we announce the passing of Catherine Kay Mercer (Pierre, South Dakota), whose presence will be deeply missed, having departed on August 7, 2025 at the age of 74. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of Catherine Kay Mercer to pay them a last tribute.
She was predeceased by: her parents, Thomas Ruppelt and Violet Ruppelt; and her brother Daniel Ruppelt. She is survived by: her husband Keith Mercer; her children, Scott (Christa), Shaun (Kim) and Brent; her grandchildren, Jordan (Jed), Thomas (Moriah), MacKenzie and Coltan; and her great grandchildren, Ezra, Delaney, Tatum and Charlotte Katherine Jensen.
