. Peter Thacher, son of Oxenbridge Thacher, had been minister at Malden since 1770.
He did obtain a release from that congregation in Dec. 1784, and succeeded the late
Dr. Samuel Cooper at Brattle Square the following month. Thacher became one of Boston's
most popular preachers, and
admired his oratory, if not always his intellectual abilities (
). Thacher was also a founding member of the Massachusetts Historical Society. Handbook of the Massachusetts Historical Society
, Boston, 1948, p. 20.