Mary Ludmilla McCarran – Sister Mary Mercy, nevadawomen.org: “For some time, I had felt the inevitability of entering the convent,” Mary, who became Sister Mary Mercy, told her biographer Ruth Montgomery in the book, “Once There Was a Nun: Mary McCarran’s Years as Sister Mary Mercy.” “I could no more question the unspoken command I had just received than I could doubt the infinite wisdom of God.”