Mily is not regularly used as a baby name for boys. It is not listed in the top 1000 names. Among the group of boy names directly linked to Mily, Miles was the most widely used in 2015.
Baby names that sound like Mily include Mely, Milie, Machol (Hebrew), Mael (Breton, French, Gaelic, and Welsh), Malai, Malay, Maley, Mali, Mallo, Mallow, Mallowe, Malo, Maloe, Maly, Malya (Indian), Manel (Catalan and English), Manlea, Manlee, Manley (English), and Manli.
† approx English pronunciation for Mily: M as in "me (M.IY)" ; IH as in "it (IH.T)" ; L as in "lay (L.EY)" ; IY as in "eat (IY.T)"