Azariah enlisted in the Revolutionary War in the year 1778 AD for the term of one year in a company commanded by Captain William Whitney of Preston, Lieutenant Chemiah Smith, Lt. Isaac Geer and Ensign George Gallup of Groton and participated in Sullivan's Expedition in Rhode Island. He enlisted a second time in the month of May 1780 for the term of six months and was present when Major Andre was executed as a British spy. In the year 1782 he was drafted and performed two months service in Fort Griswold in a company commanded by Captain Eleijar Prentice, Lieutenant Amos Gallup in repairing the fort. Azariah was given a pension.

At the time of his pension request, Azariah was residing in North Stonington. In the pension request he stated he had been residing in the state of New York.

In 1800 and 1810 he is found living in Saratoga Co., NY. In 1790, 1820 and 1830 he is found in North Stonington. In 1800 and 1820 he is recorded as Ezra. First four children born Stonington.

Azariah's widow, Lucretia (Brown) Hillard requested a widow's pension (R1321), 9 NOV 1847 from her marriage to Charles F. Brown. In this pension request she stated that Azariah died in the poor house in Voluntown, New London Co., CT and that a Mr. David Holmes made the coffin. The North Stonington Congregational Church records state that Azariah died March 25, 1847, æ 86 at Mrs. Halletts.

Following is a land transfer found in the North Stonington Land Records, Book 2, page 249.

Azariah Hilliard of N.S. $140 to John Hilliard q c al right and title have in tract or parcel of land with buildings being in N.S. on the east by Col. Isaac Williams and John Browning, on the south by Gurdon Hilliard, and said John Browning, on the west by Elisha Talmage and Robert Miner and the land formerly belong to Jesse Billings, and on the north by Jonas Hewitt and said Col. Isaac Williams, being the farm which our honored father William Hilliard left to his heirs including the widow's third. 23rd Feb. 1819.

Azariah died Mar. 25, 1847, age 86 at Mrs. Hallett's.