Diane was born on April 11, 1953, in Knoxville, Tennessee, to the late George Byrd and Evelyn Byrd. Diane was a faithful member of Marble City Baptist Church and a proud member of the Eastern Star. She dedicated many years of service working at Oak Ridge National Laboratory.
She was preceded in death by her parents, George and Evelyn Byrd; stepmother, Jean Byrd; father-in-law and mother-in-law, Wesley Sr. and Stella Kosier; and sisters-in-law, Rachel Copeland and Sandy Reynolds.
Diane is survived by her loving husband of 50 years, Phillip Kosier, Sr.; son, Philip (Christa) Kosier, Jr.; daughter, Felitha Kosier; and cherished grandson, Hudson Gray Kosier. She is also survived by her brother-in-law, Wesley (Yoy) Kosier, Jr.; sister-in-law, Patricia Miller (Kenny); brother-in-law, Clifton (Lisa) Kosier; and brothers-in-law, Andy Copeland and David Manuel, Sr.; as well as nieces, Alicia Buckley, Samantha (Justin) Graham, Amanda (Daniel) Morgan, Lauren (Cory) White, Rachael Malo; nephews, Jerley Kosier, David Manuel Jr., Joshua (Haley) Manuel, Aaron (Mandy) Yeates, Drew (Theresa) Copeland, Charles (Andrea) Copeland, George (Lorena) Copeland. Nancy will be remembered for her loving heart, her dedication to family, and her quiet strength
Family and friends will gather to honor the memory of Diane on Tuesday, August 26, 2025, with a receiving of friends from 5:00pm to 7:00pm at Berry Funeral Home, 3704 Chapman Highway, Knoxville, TN 37920, with a funeral service to follow at 7:00pm. Family and friends will meet at East Tennessee State Veterans Cemetery, 2200 E. Governor John Sevier Highway, Knoxville, TN 37920, on Wednesday, August 27, 2025 at 2:00pm, with Rev. Jeff Hunter to officiate the services, pallbearers will be Josh Manuel, David Manuel Jr., Charles Copeland, George Copeland, Drew Copeland, Aaron Yeates; Honorary pallbearers will be Jerley Kosier, Trevor Fahel. In lieu of flowers, the family would like you to consider a donation in Diane’s honor to Marble City Baptist Church, 2740 Sutherland Ave, Knoxville, TN 37919 or American Heart Association, 4708 Papermill Dr. NW, Knoxville, TN 37909. Online condolences and fond memories may be shared with the Kosier family at www.berryfuneralhome.com.
Services entrusted to
Berry Funeral Home
3704 Chapman Highway
Knoxville, TN 37920
865-577-6666
