He was forced to work as a shepherd.
Yes, according to legend, Saint Patrick was kidnapped by Irish raiders and taken to Ireland where he worked as a shepherd. During this time, he rediscovered his faith and eventually escaped captivity.
Saint Patrick was not released. He escaped from his Druid master at the age of 22 about the year AD422.
Saint Patrick was never a pope.
Saint Patrick decided to become a monk after being kidnapped and enslaved in Ireland. During his captivity, he turned to prayer and found solace in his faith. After escaping and returning to his homeland, he had a dream that called him to return to Ireland as a missionary.
The name of the ship is not recorded in any biography of St. Patrick I have read.
St. Patrick did not aspire to become a saint. He simply tried to do the will of God in the best way possible and that led to him being declared a saint.
No, he did not become blind.
Saint Patrick studied for six years to become a missionary.
Saint Patrick was a shepherd when he was captured and enslaved in Ireland. He spent his time tending to his owner's sheep while in captivity.
The official canonization process was not in place at the time that Patrick was declared a saint. No miracles were required.
Patrick was sold in Ireland by his Irish Pirate kidnappers as a servant (or slave.)He tended sheep in Ireland for the years of his captivity.