Serenity is a unisex name of Latin origin, derived from the word 'serenus', meaning 'calm' or 'peaceful'. It has gained popularity in recent times due to its appealing sound and tranquil connotations. In literature, Serenity has been used as a character's name in various works, most notably in the TV series 'Firefly' created by Joss Whedon.
The name Serentiy seems to have had steady popularity over the years with an average of about five births per year from 2004 to 2012, except for a slight increase to six births in 2012.