Free Printable St. Patricks Day Lesson Plans St. Patrick's Day, March 17 has a silly holiday aspect. Wearing green, the blarney stone, leprechauns, 'Kiss Me, I'm Irish' pins. There was a man and a story behind St. Patricks Day. Here are free printable lesson plans to explore these stories. There are some silly St. Patrick's Day coloring and activities, but some informative and educational websites and free printable activities also. St Patricks Day printables