Vivian
来自Big Physics
wiktionary
Early saints' name from Latin Vīviānus, and of its feminine form Vīviāna, probably from vīvus(“alive”).
etymonline
Vivian
masc. proper name, from Latin Vivianus (source also of French Vivien), literally "living, alive," (see vivid). But Klein says it is "prob. a misreading of the Celtic name Ninian."