Coxe was a Pennsylvania merchant, delegate to the Annapolis Convention of 1786, and the co-author, with Alexander Hamilton, of the Report on Manufactures (1791). He wrote an address to the members of the Virginia ratification Convention, in the Pennsylvania Gazette of May 21, 1788, closing as follows:
“They will remember the provision to obtain amendments, and will recollect that the power will continue with the people at large in all time to come.” (Italics in original.)