Sybil is gorgeous -- I hope you find a way to use it. I think it can read as a bit plain, despite having so much depth to it -- so it really benefits from a bit of a glamorous/feminine name. That said, I love sparse names like
Jane and
Claire with it too.
Sybil ElenaSybil GabrielaSybil AriadneSybil AstridSybil JaneSybil ClaireSybil Marguerite or
Sybil MargotSybil MadeleineSybil NaomiSybil RamonaSybil RavennaSybil ValenciaSybil Rosalind