What does Delphinus mean?
Delphinus is an uncommonly occurring given name for men. Delphinus is an equivalently unusual last name too for all people. (2000 U.S. Census)
Shown below is an analysis of the usage of Delphinus and affiliated names. The only popular variation form of Delphinus (#unlisted) appearing in the Top 1000 is Delvin. These boy names reached the height of their popularity during the years 1970-1979 (usage of 0.119%) and have become less widespread since. (2014 Birth Statistics)