Mercilla \m(e)-rcilla, mer-cilla\ as a girl's name is a variant of Mercy (English), and the meaning of Mercilla is "compassion, forebearance".

The baby name Mercilla sounds like Marcella, Marcille, Marcila and Mercia. Other similar baby names are Percilla, Arcilla, Marilla, Mercina, Merrill, Merill, Myrilla, Mirilla, Myrrilla and Mireilla.