What does Den mean?
Den [den] as a boys' name is of Old English derivation, and Den means "follower of Dionysius; son of Dennis". Den is a version of Dennis (English, Greek): also variation of Dionysius. Den is also a variation of Dennison (Old English).
(male) Dei, Teen, ..
(female) Dein, Dendi, ..
How popular is Den?
Den is an uncommonly occurring first name for males but a very prominent last name for all people (#60230 out of 150436, Top 40%). (2000 U.S. Census)
Below is a charted comparison of the statistics of the boy name Den and associated names. Popular variation forms of Den (not in Top 2000) are Denis (#1547 from recent data), Dennie, Dennis (#491), Denny, Deon (#1029) and Dion (#1153). Other variants, like Dennet, are seldom used. Usage of these relations of Den reached its peak 64 years ago (average #772) and is now much lower (#1370, down 95%), with versions like Denis becoming less stylish. (Top 2000 Names, 2014)
Den is alike in pronunciation to Dain, Daine, Dan▼, Dane, Dann, Dayne, Dean, Deen, Deion▼, Dejuan, Dene, Deonn, Dewain, Dewonn, Dewuan, Deyon, Doan, Doane, Don▼, Donn, Dowan, Duane▼, Dunn, Dunne and Dwain. Other suggested similar names are Ben▼, De-, Dee▼, Del, Des, Dev, Dex, Ken▼, Len, Pen and Ren. These names tend to be more commonly used than Den.