Debra Alice Brock, age 74, of Maryville, TN passed away peacefully on Saturday, September 4 at Blount Memorial Hospital. Debra was born January 24, 1947 in Arvada, CO to Donald and Roberta Marquess.  She married Tracy Colvin Brock on May 18, 1968 until his passing on January 7, 2017.  She was a devoted wife and loving mother who selflessly put the needs of her family above her own. She graciously put her career on hold to stay at home and raise her family.  Once the children were grown, she would go on to operate Crest Bowling Lanes with her husband from 2005 until 2017.  Debra was preceded in death by her husband Tracy Brock and by her mother, Roberta Marquess, and father, Donald Marquess.  Debra is survived by her sons, Travis Brock and wife Sherry, Scott Brock and wife Hannah, brother Donald Marquess and wife Sherril, niece Stacy Marquess, and  grandchildren, Jennifer, Eli, and Landon Brock. Date and time of service has yet to be determined.