Meaning and name origin
Melly \m(el)-ly\ as a girl's name is of Greek and Old French origin, and the meaning of Melly is "black, dark; bee; honey; brave strength". Melly is a variant of Melanie (Greek): from the French form of the Latin name Melania, derived from Greek "melaina". Also a variant of Melissa (Greek); mythology: the name of a princess of Crete who was changed into a bee after she found out how to collect honey. Melly is also used as a variant of Millicent (Old French).
Melly is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Melly and its variant forms. Popular variation forms ranked in the Top 1000/100 are Melanie (#79), Melissa (#224), Millie (#505), Mellie and Millicent. (Source: 2014 Birth Name Statistics).
Melly is also pronounced similarly to Mally, Melia, Melya, Milla, Molley, Molli and Molly▲. Other suggested similar baby names are Delly, Kelly▼, Maelle, Mel, Mille, Moll and Nelly. These names tend to be more commonly used than Melly.