Meaning and name origin
Sagan is not a popular first name for males but a very popular surname or last name for all people (#42262 out of 88799, Top 48%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Sagan and related names. The only popular variation form ranked in the Top 1000/100 is Sage (#654). (2014 statistics).