Merla \m(e)-rla, mer-la\ as a girl's name is a variant of Merle (Old French) and Meryl (English), and the meaning of Merla is "blackbird; shining sea".
The baby name Merla sounds like Marla, Merola, Merl, Myrla and Mirla. Other similar baby names are Mera, Mella, Mela, Merna, Perla and Verla.