McMillan - MacMillan Clan of Scotland is not only the ancestry and descendant information but is also a History of Scotland, the wearing of the Kilt, and Tartan. What are Coats of Arms and/or Crest? First beginnings in America in 1774 - settling in Cumberland County, North Carolina, Richmond County, Robeson County. Then the branch researched in this book branches off into the State of Georgia to Washington County. Other counties that the McMillan family settled are Irwin, Lowndes, Brooks, Thomas and finally Colquitt County, Georgia. IF you have MCMillan family in these areas you will find this book with its' database research very useful in helping you research your family history.