Merrile \m(e)-rri-le\ as a girl's name is a variant of Merry (Old English), and the meaning of Merrile is "joyful, lighthearted".
The baby name Merrile sounds like Merrill, Merril, Merrily, Merrili and Merrilee. Other similar baby names are Merrie, Kerril, Derrill, Marcile, Mercie, Merridie, Merle, Merline, Merrall, Merill, Merrielle, Merri, Merree, Marrilee, Meryle, Merryl, Merrell, Mertle and Terrill.