According to ISTAT Ilenia has been decreasing in popularity since 1999. In that year were born in Italy 787 Ilenia while in 2018 only 196 (the lowest number since 1999 -national statistics-). In 2018 Ilenia was #150 most popular name for feminine newborns.
In 2018 Ilenia was #150 most popular name for feminine newborns.