Listen to A Leanbh Ghil Mhilis (Oh Sweet Bright Child) online. A Leanbh Ghil Mhilis (Oh Sweet Bright Child) is an English language song and is sung by Mary Mc Laughlin. A Leanbh Ghil Mhilis (Oh Sweet Bright Child), from the album A Gaelic Christmas, was released in the year 2007. The duration of the song is 3:31. Download English songs online from JioSaavn.