J. Lowry Johnson was a Starfleet officer in the 24th century. Their planet of origin was Alpha Cygnus II. They were a lieutenant in 2369.
In 2369, they were a crew member aboard the USS Enterprise-D. They were one of seventeen individuals who were from worlds outside the Federation. Their proteins were tested by Doctor Beverly Crusher for a possible configuration match with the fragments of a four billion-year old genetic program. The results came back negative. (TNG: "The Chase")
This character was only mentioned in writing.