Bailiff or berry clearing
Bayli is a modern spelling variant of Bailey. It originates from an English occupational surname for a bailiff or officer of justice, or potentially from an Old English word for a berry clearing.
Less common today
Bayli isn't in the latest US Top 1000. It last peaked at #1,756 in 1997.
US births per 5-year period, 1990βpresent (SSA data).