The story of Molly Malone is a bit sad. 300 years ago, she may have actually been called Mary or Margaret and was a fishmonger's daughter who not only sold her catch on the streets of Dublin, but as she was such a beauty (and poor) also sold herself. She died young after contracting cholera or fever from one of her clients in 1699. (Although there is some debate on if all the facts are true or have become shrouded in legend.) It is said she still haunts the city to this day. Her story is commemorated in a famous