But Mary stood without at the sepulchre weeping: and as she wept, she stooped down, and looked into the sepulchre, And seeth two angels in white sitting, the one at the head, and the other at the feet, where the body of Jesus had lain.
The Mary in the title and in the Scripture quoted above is Mary Magdalene. Mark and Luke identify her as a woman out of whom Jesus had cast seven demons (Mark 16:9; Luke 8:2). If you know something about the mercy seat, you might know that it was something in the tabernacle, and later in the temple after it was built. Not only that, but it was inside the Holy of Holies or Most Holy Place where only the high priest could go and that only once a year (Hebrews 9:7; Leviticus 16). So why do I in my title place Mary at the mercy seat?