According to the general prologue of the canterbury tales, the “holy blessed martyr” the pilgrims sought in the journey was
st. mary
st. thomas à becket
st. paul
st. thomas aquinas

According to the General Prologue of The Canterbury Tales, the “holy blessed martyr” the pilgrims sought in the journey was St. Thomas a Becket.
He was Archbishop of Canterbury in the 12th century, and was killed by the followers of King Henry II after disagreeing with him publicly. After his murder, he was venerated as saint and martyr.