Partner in the firm Kaighn & Attmore. Manager of the Philadelphia silk filature; housed and tended the silkworms. Director of the Philadelphia Library Company. Also active in the prison reform movement.
First letter in correspondence: May 3, 1784; Francis White, The Philadelphia Directory (Philadelphia, 1785), p. 41; Pa. Gaz., January 31, 1771, May 4, 1785, November 21, 1787.