If you are looking for a quality Saint Casimir rosary then take a look at these beautiful rosaries to pray for his intercession. St. Casimir is hugely popular in both Poland and Lithuania as he was born into royalty of both countries. Saint Casimir was a very good man whose devotion to God was legendary as was his work to help the poor and the sick. Because he died at the young age of 25 he is the patron saint of youth. He is also the patron saint of Lithuania. His feast day is celebrated on March 4th.