James MacKinnon was a Starfleet officer who was listed as a member of Technical Operations on the dedication plaques of the USS Stargazer, USS Titan-A, and USS Enterprise-G. (PIC: "The Star Gazer", "The Next Generation", "The Last Generation")
This character was only mentioned in writing.
It can be presumed that this individual was named after special makeup effects department head James MacKinnon.