Cecilia traces to a Latin clan name of uncertain original meaning, though the name became deeply associated with music through its connection to the patron saint of musicians. It's commonly read as carrying devotion expressed through art -- discipline and feeling combined rather than either alone.
Make the Sun, or any of the superiors to signify princes and great persons. Scribes and rusticks, [are shown by] the inferior planets, and chiefly the Moon. - William Lilly (1602.-1681.)