Meaning and name origin
Demyan is not a popular first name for males but a very popular surname or last name for all people (#25687 out of 88799, Top 29%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Demyan and its variant forms. Popular variation forms ranked in the Top 1000/100 are Damian (#102), Damien (#249), Damon (#407), Damion and Dameon. (2014 statistics).
A suggested similar baby name is Denman. Like Demyan, this name is not commonly used.