Shlomo Morag's father, Rabbi Moshe Aryeh Mirkin, wrote an 11 volume commentary of Genesis Rabbah.

Morag's mother, Sarah Mirkin (née Margalit) founded charitable organizations for the benefit of children and women immigrants.

She joined the General Zionists' women organization and from 1954 she served as a member of Ramat Gan's city council.

In 1955 he received his PhD for his thesis on the Hebrew pronunciation of the Yemenite Jews, which he wrote under the supervision of his teachers, Shelomo Dov Goitein, Hans Jakob Polotsky and Naftali Herz Tur-Sinai.

This book, for which Morag was awarded the Bialik Prize, describes the phonology and morphology of the Yemenite tradition of the Aramaic of the Babylonian Talmud.