August 10 is the feast of St. Lawrence, deacon and martyr.
Yes, Jacques Cartier named the St. Lawrence river, after a catholic saint. Since there was a priest on board with him, Cartier asked which saint's birthday was the closest day of discovery, and St. Lawrence's birthday (or feast day) was the closest.
Pope Benedict I is not a saint and has no feast day.
Saint Maria Goretti's Feast Day is July 6th.
Saint Christopher's feast day is July 25th.
Saint Laura's Feast Day is October the 19th.
The 23rd of April is the feast day of Saint George.
Saint Helena's feast day is August 18.
The feast day of saint Mark is April 25.
July 24 is the feast day of Saint Charbel.
November 22 is the feast day of Saint Cecilia.
August 11 is the feast day of Saint Philomena.
The feast day of Saint Apollonia of Alexandria is on February 9.