Jeylan is of American origin, derived from the Hebrew name Joel, which means 'Yahweh is God.' It gained popularity in the United States during the mid-20th century and has since been used as both a given name and a surname.
"Jeylan saw a surge in popularity from 2006 to 2016, with six births each year, but has since declined slightly, with five births recorded in both 2014 and 2021. Overall, the name has been given to 27 newborns between 2001 and 2021."