Mountain goat or to ascend
Yaelis is a modern elaboration of the Hebrew name Yael. It combines the traditional root meaning 'mountain goat' or 'to ascend' with the popular '-is' suffix common in Spanish-speaking cultures. It represents a blend of ancient biblical heritage and contemporary naming trends.
Less common today
Yaelis isn't in the latest US Top 1000. It last peaked at #6,376 in 2016.
US births per 5-year period, 1990βpresent (SSA data).