Fágaidh an doras ar leathadh ina coinne,
An mhaighdean a thiocfaidh is a naí ar a hucht,
Deonaigh do shuaimhneas a ligint, a Mhuire,
Luíodh Mac Dé ins an tigh seo anocht.

A literal translation:

Leave the door wide open for her
The virgin who will come with her baby at her breast
Grant (us the honour) of taking your rest, dear Mary,
May the son of God lie in this house tonight