How do cruise ships get their names?

... line went with a theme of Roman provinces - hence the Mauretania , Caronia and Lusitania , et al. In the 1960s, cruise lines wanted to set themselves apart from steamship companies, so they sought names that were more upbeat and tropical," Knego ...

http://www.usatoday.com/experience/cruise/article/how-do-cruise-ships-get-their-names/2806013/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+UsatodaycomTravel-TopStories+%28USATODAY+-+Travel+Top+Stories%29