There are multiple origins and meanings for the name:
1. Modern Greek name (κυρά) meaning - "dame, lady, madam, mistress, milady, senora, signora, missis", the female equivalent of the male name Kir
2. Sanskrit (Hindu) given name (किरण) [kirana] - "ray, beam, ray of light; speck of dust, mote"
3. Form of the given name Ciara - "dark", feminine form Kieran (dark-haired)
5. Turkish (Turkic) first name, meaning - "rent"
St Kira of Beria