What does Dionysius mean?
Dionysius [diony-sius] as a boys' name. Greek mythology: Dionysius was the Greek god of wine (known to Romans as Bacchus). Also the name of a man converted by Saint Paul, and traditionally considered the first bishop of Athens. Dennis is an offshoot of this name.
(female) Middle name pairings:
Dionysius Cameron (D.C.), ..
How popular is Dionysius?
Dionysius is an uncommonly occurring given name for men. Dionysius is also an unusual last name for both adults and children. (2000 U.S. Census)
Which version is better?with its variant forms and related boy names. Dennis (#496 from current records) and Dion (#1279) are the popular variation forms of Dionysius (not in Top 2000). Adoption of these relations of Dionysius was widespread during 1950-1959 (median #497) and has become significantly diminished since, with forms like Dion falling out of fashion. (Top Baby Names, 2015)
Similar NamesRecommended names are Aloisius, Aloysius, Atanasius (see Athanasios), Deonys, Dimetrius, Donatus, Dontavius, Giorgius (see George), Honorius (see Honore) and Pontius. Like Dionysius, these names are not frequently used.