1720-1779. He was born in 1720, the son of Bryan Wheelock, the deputy secretary to the Board of Trade and Plantations.
Wheelock was commissioned lieutenant on 26 June 1741 and from 1746 served on the fireship Duke, Commander Robert Coleman, although he acted as her commander in the absence of that officer until August 1747.
He was promoted commander of the ill-sailing sloop Fly 8 on 19 February 1756, employed in the Downs, and was posted captain of the Squirrel 20 on 21 December 1757 in which he went out to North America in the following January and served at Louisbourg. He had the Pembroke 60 from May 1759 in succession to the late Captain John Simcoe, participating in the expedition to Quebec and in operations in the St. Lawrence under Commodore Lord Colville in the following year. At the time the future explorer James Cook was employed as the sailing master on this vessel. After sailing for Jamaica in the spring of 1761 Wheelock was still commanding the Pembroke at the reduction of Havana in 1762 where he helped superintend the landings, and he retained her at Havana and on the Leeward Islands station through to the end of the following winter when she returned to Portsmouth.
In 1769 he joined the guardship Achilles 60 at Portsmouth, briefly flying the flag of Vice-Admiral Francis Geary, and in 1771 removed to the Modeste 64, which he took out to Jamaica in June 1771 and paid off in October 1772..
In November 1777 Wheelock joined the newly commissioned Sultan 74, part of Vice-Admiral Hon. John Byron s fleet that went out to North America on 9 June 1778, arriving at Sandy Hook under Rear-Admiral Hyde Parkers orders on 28 August and then sailing for the Leeward Islands with Byron in December.
Captain Wheelock died whilst still in command in of the Sultan in the early part of 1779, and he was succeeded by Captain Charles Fielding.
He was unmarried.