His father, Surendranath Bose, worked in the Engineering Department of the East Indian Railway Company. In 1914, at age 20, Satyendra Nath Bose married Ushabati Ghosh, the 11-year-old daughter of a prominent Calcutta physician. They had nine offspring, two of whom died in early childhood. When he died in 1974, he left behind his wife, two sons, and five daughters.