Any connection? Eamonn De Barra, Seán Óg Ó Tuama...

Mary O'Hara "learnt many of the songs...from Sean Og O'Tuam

http://www.gourd.com/Mary McLaughlinGaelicChristlinernotesgm.html
"8. Suantraí Na Maighdine (sooantree na majina) "The Virgin's Lullaby"

Seán Óg Ó Tuama was a contemporary Irish songwriter and singer who passed in the early 1980s. He wrote many beautiful Christmas hymns in the Irish language, this being my personal favourite. A simple lullaby sung to a child by his mother who marvels at the miracle before her…

'I adore my little child Sleep little child safely...'"