John D. McCarty (June 7, 1798 – May 10, 1881) was the first missionary Episcopal priest in the Washington Territory. He served as the only United States Army chaplain at the front during the Mexican War. He was instrumental in founding and establishing numerous Episcopal churches in Western New York and the Northwest. Early years McCarty was born on June 7, 1798, in Rhinebeck, New York. As a young man, he studied law and briefly practiced for three years. He then decided to enter the ordained ministry of the Protestant Episcopal Church. On March 3, 1825, McCarty joined the United States Navy as an acting chaplain, shipping out on the U.S.S. Constitution which was participating in an anti-piracy campaign as a part of the Mediterranean Squadron. McCarty was ordained deacon on December 23, 1825. He left the Navy on April 21, 1826. On October 26, 1827, he was ordained a priest in the Protestant Episcopal Church by Bishop John H. Hobart. He began his work as a missionary in Oswego County, New York, where he remained until 1845. During his time in Oswego County, Reverend McCarty was active in missionary work, visiting and providing services in many towns and villages, and founding and building a number of Episcopal churches. On May 28, 1828, he laid the cornerstone of Christ Church (Protestant Episcopal), Oswego, New York. On June 22, 1835, he organized Zion Church (Protestant Episcopal) in Fulton, New York, and laid the cornerstone of its new building on August 6, 1836. Reverend McCarty was rector at both of these churches, living at the rectory at Christ Church. Mexican–American War chaplain When the Mexican–American War broke out in 1846, McCarty resigned as rector of Christ Church and at the age of 48 enlisted in the United States Army, as a brigade chaplain for the Second Brigade, First Division. Chaplain McCarty was the only brigade chaplain in the Mexican–American War, and the only official chaplain to be stationed at the front in Mexico. He was known as a chaplain who was deeply involved with the troops, not hesitating to go into battle with them. During one battalion march across corn fields and ditches, Chaplain McCarty was the first to start tearing down growing corn stalks and throwing them in ditches to make the effort safer and faster for the troops. During the Battle of Churubusco, August 20, 1847, Chaplain McCarty distinguished himself