^The Editors of Encyclopaedia Britannica. 2021. Shirdi Sai Baba, also called Sai Baba of Shirdi, (born 1838?—died October 15, 1918), spiritual leader dear to Hindu and Muslim devotees throughout India and in diaspora communities as far flung as the United States and the Caribbean. The name Sai Baba comes from sai, a Persian word used by Muslims to denote a holy person, and baba, Hindi for father.