Saadia (Saadya, Seadya, Se'adya)
סְעַדְיָה
The first part of the name comes from the verb "לסעוד" (lis'od, "assist", "support"). The second part is God's name: "יה".
Saadia Gaon (882-942 C.E.) was one of the Geonim of Babylon, who wrote improtant literature concerning Judaism, language and philosophy, as well as litturgical poems (piyyutim).
