Adelai is of Hebrew origin, derived from the word 'Adalah,' which translates to 'justice.' It is a unisex name, though it's more commonly used for females. The name Adelai was popularized in the United States during the late 20th century, with its usage peaking in the mid-1980s before declining in popularity.
The name Adelai experienced a significant surge in popularity between 2009 and 2012, with the highest number of births recorded in 2011 (19 births). However, there has been a steady decline since then, with only 5 births each in 2022 and 2023. Overall, Adelai has been chosen for 246 newborns across these years.