Compiled by Clan MacMillan International Centre at Finlaystone, the chief's historic home in Scotland. Includes the pedigree of Chief George G MacMillan and associated variants such as Macmillan and McMillan.

Society founded in 1983 to foster kinship between members of the MacMillan Clan and associated Septs. Newsletter, meetings and cemetery index.

Home site of the clan in Southern California. Provides clan history, celtic local events schedule, membership details, sectional Scottish maps and t-shirts.

Local Canadian branch of the Clan MacMillian Society of North America. Focus is on individual family pedigrees, Scottish heritage and associated research resources.

Clan MacMillan (NCS) encompasses Minnesota, Wisconsin, Iowa, Illinois and the Dakotas; aim is to generate awareness of shared Scottish heritage amongst local family members.