Youthful or sky father
A rare phonetic variant of Giuliana, the Italian feminine form of Julian. It ultimately derives from the Roman family name Julius, which is associated with youthfulness or the Roman god Jupiter.
Less common today
Gulianna isn't in the latest US Top 1000. It last peaked at #6,289 in 2012.
US births per 5-year period, 1990βpresent (SSA data).