Background
John Codman was born on October 16, 1814 in Dorchester, Massachusetts, United States. He was the son of John and Mary (Wheelwright) Codman. His father, son of a prosperous Boston merchant of the same name, was pastor of the Second Parish in Dorchester from 1808 till his death in 1847 and a sturdy upholder of the old orthodoxy against Unitarians and other schismatics. His hospitable mansion was a favorite gathering place for clergymen, who would stop there on their way to Boston and furnish the children of the family with an extensive though disorderly theological education by arguing doctrinal questions hot and heavy from dinner till bedtime, the while making devastating inroads into their host’s supplies of rum and smoking tobacco. To them young Codman listened with interest, but with even more interest to the reminiscences of his maternal grandfather, a Newburyport sea captain.