Merrilee \m(e)-rri-lee\ as a girl's name is a variant of Merry (Old English), and the meaning of Merrilee is "joyful, lighthearted".
The baby name Merrilee sounds like Merrile and Marrilee. Other similar baby names are Marcilee, Marilee, Merridie, Merrill, Merril, Merrily, Merrili, Merrielle, Merrie and Merree.