Copley himself wrote on September 12, 1766, to Peter Pelham, his step-brother, that he had had "resolution enough to live a bachelor to the age of twenty-eight" ("Letters and Papers of John Singleton Copley and Henry Pelham", pp. 48, Mass.
Copley însuși scrisese la 12 septembrie 1766 lui Peter Pelham, fratele său vitreg, că ar fi avut dorința de a trăi necăsătorit până la 28 de ani (conform, "resolution enough to live a bachelor to the age of twenty-eight" ("Letters and Papers of John Singleton Copley and Henry Pelham", pp. 48, Mass.