Mary, Queen of Scots was a monarch who reigned over Scotland from 1542 to 1567. She was the only surviving legitimate child of King James V of Scotland and his French wife, Mary of Guise. Mary, Queen of Scots was also known as Mary Stuart or Mary I of Scotland. Her reign was marked by religious and political turmoil, and she was eventually forced to abdicate in favor of her son, James VI of Scotland. The crossword solution for Mary, Queen of Scots is SCOTS, which is an abbreviation for the Kingdom of Scotland.