Nice to here from you.Yes, the gene-bug is contagious.
I suggest you look at "Abstracts of Rev. War Pension Files" by Virgil D. White.I do have a copy of the "Makemson" page that I would be happy to duplicate.These same files are in some libraries under Rev. War Pension Files.
Union County, South Carolina is listed as place of residence for this John Makemson.His wife and family are also listed.
You may already have the 1800 census for South Carolina.There are three Makemsons listed; Andrew, James and John. There is also a James Malcomson in Williamsburg County.
Along with this I have researched a Malcomson from County Down, Northern Ireland, who was a minister and physician.He was responsible for the founding of "The Scots Presbyterian Church" in Charleston.Most of my material about him is on loan to one of my cousins but should be of no trouble to retrieve.
I believe this Malcomson died in 1803 so he must have been in the Charleston area for quite some time before 1803.Due to the fact that he came from the same area of Ireland that my Andrew came from makes me theorize that he may be a nephew, etc.
I do have a photo copy of linage chart for Mrs Jack K. Henson of Dallas, TX.It is dated 1982.One of her fourth great grandmothers was Sarah Makemson(Ireland), married to John McLaren (born 1769 S. C.).