What does Ismail mean?
The Arabic form of the prophet Ishmael (Isma'il), of Hebrew origin (Yishma'el, 'God will hear' or 'God hears'). The Arabic form does not derive from a native Arabic root; Ismail is the son of Ibrahim in Islamic tradition. Also spelled Ismael, Ismaeel.
What does Bilal mean?
From the root b-l-l (ب-ل-ل, 'to moisten, to wet'), understood as 'moisture, wetting, freshness'. Famously borne by Bilal ibn Rabah, the Abyssinian companion of the Prophet and Islam's first muezzin.