I found this obituary for a Walter Tuning. He was in the same town in Pennsylvania that Charles lived in. Don't know if there is a connection.
Walter M. TUNING ( -1958)
TUNING, WALTER M. — Aged 80 years, husband of Lida Costolo Tuning of Coolspring, died in the Uniontown Hospital, Monday evening at 10:30 p.m. In addition to his widow, he is survived by one son, Archie F. Tuning of Eau Gallie, Florida; four grandchildren and six great grandchildren. He was a member of the Coolspring Methodist Church and UMWA Local 6313 Alicia.
Friends are being received in the Gleason Funeral home, 114 E Fayette Street, from 3 to 5 and 7 until 10 p.m., today until Thursday, where services will be conducted at 2:00 p.m. with Rev. George S Stephens officiating. Interment will follow in the Sylvan Heights Cemetery.
The Morning Herald, Uniontown, PA, Wednesday, October 22, 1958