Education and Ordination
Parker was born in Portsmouth, New Hampshire , the son of William Parker, a lawyer and judge during the American Revolution .  He graduated from Harvard University in 1764, and taught for several years.
After being offered a job as assistant rector of Trinity Church, Boston , he was ordained deacon and priest in London in February 1774. He began as assistant rector at Trinity in November 1774, becoming rector in 1779. After the Revolution, he helped build churches with the Society for the Propagation of the Gospel .
In 1803, Parker was unanimously elected second bishop of Massachusetts. He was consecrated September 16, 1804, in Trinity Church, New York , but developed gout and never served in the post. He died in Boston on December 6, 1804.
- The Most Reverend William White , 1st bishop of Pennsylvania and 1st and 4th Presiding Bishop
- The Right Reverend Thomas John Claggett , 1st bishop of Maryland
- The Right Reverend Abraham Jarvis , 2nd bishop of Connecticut
- Annual Election Sermon before the Legislature of Massachusetts (1793)
- Sermon for the Benefit of the Boston Female Asylum (1803)
- Succession of Bishops of the Episcopal Church in the United States
- Episcopal Diocese of Massachusetts
- Thomas S. Hinde , friend, and fellow Methodist minister.