a Unitarian clergyman, was born at Charlestown, Mass., in 1731, and graduated from Harvard College in 1750, where he was a tutor from 1755 to 1758. He began to preach in the North Parish in Andover, and was ordained its pastor Nov. 1, 1758, and continued in that relation until his death, May, 1807. Dr. Symmes was a good scholar, of extensive reading, arid an able divine. He published, Thanksgiving Sermon (1768): — Discourse on the Duty and Advantages of Singing Praises to God (1779): — Sermon at the General Election (1785). See Sprague, Annals of the Amer. Pulpit, 8:35.