Re: the title
For me, The Hail Mary refers to the prayer aka The Ave Maria: “Hail Mary, full of grace, the Lord is with thee. Blessed art thou among women and blessed is the fruit of thy womb, Jesus. Holy Mary, Mother of God, pray for us sinners, now and at the hour of our death. Amen.”
This speaks more to the desperation of our characters as their hope to survive Culloden runs out and the approach the likely "hour of their deaths" and certainly the death of the Highland culture, their families' way of life and for Claire & Jamie the separation.
The other meanings already m