Namesakes
Fictional Characters from Movies:
1 character
Rose DeWitt Bukater (a.k.a. Calvert) 1997 Titanic 
Olympic Medalists:
1 silver
(silver) Schillonie Calvert 2012 4x100 m relay
Rock and Roll Hall-of-Famers:
1 musician
Bernie Calvert 2010 The Hollies