What does Decimus mean?
Decimus has 1 variant: Decio.
Decimus is an unusual given name for men. Decimus is also an uncommon surname for both adults and children. (2000 U.S. Census)
Displayed below is the birth name popularity of Decimus for boys. Decimus has not been listed in the list so far. (Top 1000 Baby Names Records, 2014)