Morse is not widely used as a baby name for boys. It is not in the top 1000 names. In 2012, among the group of boy names directly related to Morse, Maurice was the most popular.
Baby names that sound like Morse include Marc (English, French, Welsh, and German), Marck, Mark (English, Dutch, Russian, and Scandinavian), Marke (Polish), Markeese, Marq, Marqes, Marque (English), Marqus (English), Mars (Dutch, English, Finnish, French, German, and Scandinavian), Marsh (English), Marx (English), Marz, Márkus, Merc, Merk, Merz, Meurisse, Meyric, and Meyrick (English).
† Pronunciation for Morse: M as in "me (M.IY)" ; AO as in "ought (AO.T)" ; R as in "race (R.EY.S)" ; S as in "see (S.IY)"