Youthful or downy-bearded
Jilliana is an elaborated form of Jillian, which is the English feminine version of Julian. It ultimately derives from the Roman family name Julius, which is often associated with youthfulness or the soft down of a young man's beard.
Less common today
Jilliana isn't in the latest US Top 1000. It last peaked at #7,019 in 2011.
US births per 5-year period, 1990–present (SSA data).
