Khalifa
Last name origin: Muslim
Last name meaning: status name or honorific title from Arabic khalīfah ‘successor’, ‘regent’, ‘viceroy’, in English often transliterated as caliph. This was the title adopted after the death of Muhammad in 632 by his successor Abu-Bakr. The caliphs ruled in Bahgdad until 1258, then in Egypt until the Ottoman conquest (1517). The title was then held by the Ottoman sultans in Istanbul until it was abolished by Kamal Atatürk in 1924.