Shylie is of Irish origin, derived from the traditional Irish surname 'Sioda'. It means 'peace', reflecting its peaceful and serene connotations. The name gained popularity during the 20th century and has since been used as both a given name and sometimes as a middle name.
"The name Shylie has seen fluctuations in popularity over the years, with peaks in usage between 2006 and 2016, but it remains quite uncommon overall."