Namesakes
Notable Actors and Entertainers:
2 actors
Penny Singleton (a.k.a. Mariana) 1908-2003 
Mariana Klaveno 1979-
Olympic Medalists:
1 bronze, 1 gold
(gold) Mariana Pajón 2012 cycling - BMX
(bronze) Mariana Avitia 2012 archery
Saints:
1 saint
Saint Mariana de Jesús de Paredes 1618-1645
Shakespearian Characters:
2 characters
Mariana All's Well That Ends Well
Mariana Measure For Measure