Clan MacLean Society of the United States records, 1964-1978. 33 items. Location: B:8. The Clan MacLean Society of the United States was organized out of a meeting of the Louisiana Clan MacLean society on June 2, 1968. The Louisiana society had been reorganized at a meeting held in Rosedale, La., on May 31, 1964. Records consist of numbered and unnumbered communications and formal newsletters for the Louisiana Clan MacLean society and the Clan MacLean Society of the United States. Mss. 5036.