There are two singers with this name 1.an American R&B/pop singer 2. A pop singer from Argentina : 1) Sybil (born as Sybil Lynch in Paterson, N.J.) is an American R&B/pop singer, an excellent vocalist and one of the finest among disco divas, who has been recording since 1986. She is best known for her covers of Dionne Warwick's hits "Don't Make Me Over" and "Walk On By". However, it was when she signed with the music UK producers Stock Aitken Waterman on label PWL, that Sybil had the biggest success, and was particularly popular in the UK.