Gracious
Yanice is a modern phonetic variant of Janice, which itself is a feminine form of John. It ultimately derives from the Hebrew name Yochanan, meaning 'God is gracious.' While rare, it follows the trend of replacing traditional initials with 'Y' for a unique flair.
Less common today
Yanice isn't in the latest US Top 1000. It last peaked at #11,747 in 2001.
US births per 5-year period, 1990βpresent (SSA data).