What does Lucio mean?
Lucio \l(u)-cio\ as a boys' name is of Latin and Greek derivation, and the meaning of Lucio is "light; from Lucanus". Lucio is a variant of Lucian (Latin): variant of Lucius. Lucio is also a variant of Luke (Greek).
Lucio is a somewhat prominent first name for males (#873 out of 1220, Top 72%) and an even more prominent last name for all people (#4299 out of 150436, Top 3%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of the boy name Lucio and affiliated names. Popular varying forms of Lucio (#unlisted) are Lucas (#19 last year), Luke (#28), Lukas (#230), Luciano (#568), Lucian (#608), Luc, Lucius and Lucien. Adoption of these boy names is at its highest today (usage of 0.4434%), except for the forms Lucien and Lucius which have become less fashionable. The trendier baby names in this list are Luciano (#568), Lucas (#19), Luke (#28), Lukas (#230) and Lucian (#608), with Lucas, Lucian, Luciano and Luke undergoing a resurgence in popularity. (Top 1000 Baby Names Statistics, 2014)