Noble and joyful
Alyzza is a modern creative spelling of Aliza, a Hebrew name meaning joyful. It is also frequently associated with the Germanic name Alice, which carries the meaning of noble. This specific spelling adds a contemporary, stylized flair to a traditional phonetic sound.
Less common today
Alyzza isn't in the latest US Top 1000. It last peaked at #7,289 in 2004.
US births per 5-year period, 1990βpresent (SSA data).