Namesakes
Dionysius I
(a.k.a. Dionysios) (m) c. 200-264 
Coptic Popes and Patriarchs of Alexandria 248-264
Saints
Dionysios Kasdaglis
(m) 1872-1931
Olympic Medalists 1896 tennis (silver)
Dionysius
(a.k.a. Dionysios) (m) ?-c. 300
Saints