A native of Connecticut, Nathan Hicock followed his cousin Truman Hicock to Leeds County, Upper Canada in 1800. Nathan Hicock was clerk of the Rear of Leeds and Lansdowne from 1803 to 1807. In 1806 he married the former Elizabeth Sexton with whom he had a family of  eight children.

He held the rank of Ensign in the 2nd Regiment Leeds Militia commanded by Captain John Struthers and was on duty at Gananoque when it was attacked by an American force led by Captain Benjamin Forsythe on September 21, 1812.

In February 1813 Hicock participated in the attack and capture of Ogdensburg, NY. Later in the war as a Quartermaster he oversaw construction of some of the fortifications at Fort Henry in Kingston.

Upon returning to civilian life he engaged in land speculation and the timber trade. He was chosen chairman of the Gourlay meeting held in the rear of Lansdowne township in 1818.

Nathan Hicock d 19 September 1850 in his 72nd year.