Listen to Mary's Boy Child / Oh My Lord online. Mary's Boy Child / Oh My Lord is an English language song and is sung by Starlite Disco. Mary's Boy Child / Oh My Lord, from the album Christmas Music 2017 - The Very Best Hits & Christmas Songs (Deluxe Version), was released in the year 2015. The duration of the song is 5:17. Download English songs online from JioSaavn.