Youthful or soft-haired
Giliana is a rare elaboration of Gillian, which is the feminine form of Julian. It ultimately derives from the Roman family name Julius, which is thought to be related to the Greek word for 'downy-bearded' or 'youthful'.
Less common today
Giliana isn't in the latest US Top 1000. It last peaked at #13,194 in 2010.
US births per 5-year period, 1990βpresent (SSA data).