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 Xmas Hits Collective, Gran Coro de Villancicos and Canciones De Navidad. Mary's Boy Child – Oh My Lord, from the album Classic Christmas Songs, was released in the year 2015. The duration of the song is 4:35. Download English songs online from JioSaavn.