Family name origins & meanings
- Italian : from the personal name Cass(i)ano or Casciano (from the Roman name Cassianus), which was popularized by the cults of various 1st-century saints and martyrs, including Saints Cassiano of Imola and Todi, or a habitational name from any of numerous places called (San) Cass(i)ano or (San) Casciano after these figures.