What does Vaishnavi mean?
From the Sanskrit वैष्णवी (vaiṣṇavī), feminine of Vaishnava, 'relating to Vishnu'. It denotes a female devotee of Vishnu and is also the name of the Shakti (divine energy) of Vishnu, one of the Sapta Matrikas.
What does Ishani mean?
From Sanskrit ishani (ईशानी), 'mistress, ruler', a name of the goddess Parvati, consort of Ishana (Shiva). Well established as a goddess name.