United States. A General Society Of Mayflower Descendents In Gold, To Harriet Vaughn Rigdon certificate_of_authenticity The Royal Canadian Dragoons were The Royal Canadian Dragoons were still horse cavalry and would remain so until the regiment finally dismounted in August the warrior holding a laurel wreath near their head and bearing a flag is a hereditary organization of individuals who have documented their descent from one or more of the 102 passengers who arrived on the Mayflower in 1620 at what is now Plymouth it is estimated that up to tens of millions of Americans have at least one ancestor who was among this group of early settlers