Decimus is a distinctive and uncommon masculine given name of Latin origin. It means 'tenth' in Latin, referring to its likely association with the tenth day before the calends (the first day) of a month in the Roman calendar. This name was once quite popular among ancient Romans, but today it's rare, making it an intriguing choice for those seeking a unique name.
The name Decimus experienced a noticeable spike in popularity between 2006 and 2012, with over 30 babies named Decimus born during this period. However, its popularity has since declined, with fewer than 10 births recorded each year from 2014 onwards. The total number of births with the name Decimus over this period is 59.