Throne
A modern phonetic spelling of Isis, the name of the ancient Egyptian goddess of the sky, magic, and motherhood. In Egyptian mythology, she was the wife of Osiris and mother of Horus, often depicted as the ideal mother and wife.
Less common today
Isyss isn't in the latest US Top 1000. It last peaked at #1,476 in 2003.
US births per 5-year period, 1990βpresent (SSA data).