Theresa (Terry) Monica Marinchak Erickson, 92, died on March 9, 2018 at the home of her daughter in Indianapolis, surrounded by her loving family. She was born in Wilpen, PA on January 9, 1926, the youngest of seven children, and she graduated from Mercy School of Nursing in Pittsburgh, PA. She was the beloved wife of the late Elmer W. Erickson, MD, and the dear mother of Lynn (Raymond) Gross, Patricia (Dan) Cutter, and Jeanne (Jonathon) Truwit. She is survived by her eleven grandchildren: Jennifer, Scott, and Mark Gross, Elizabeth, Andrew, Daniel, Philip and Jessica Cutter, and Jason, Matthew, and Lauren Truwit, and by her sister, Agnes Hannah, and many nieces and nephews. She maintained life-long relationships with many friends and extended family members. She was an avid reader, bridge-player, gardener, and baker, and she loved classical music, White Zinfandel, picnics, and her dog, Oreo. She made friends and fun memories in all the places she lived, including McKeesport, PA, Ligonier, PA, and Novi, MI. Her loving, generous spirit and her sense of humor will be greatly missed. A memorial mass at Holy Trinity Church and burial at Ligonier Valley Cemetery in Ligonier, PA will be held in the summer. Memorial donations may be sent to Indiana University Health Hospice at 950 North Meridian Street, Suite 700, Indianapolis, IN 46204. Condolences to the family may be sent to Patricia Cutter at 5114 Grandview Drive, Indianapolis, IN 46228.