McCoy and Galloglass are both Anglicisations of terms from what language?
McCoy (surname) McCoy is a common surname of Scottish origin in the lands of Kintyre and then Irish (Gallowglass) origin. It is an Anglicisation of its Irish Gaelic form Mac Aodha, meaning "son of Aodh" (an old word for "Fire", a Celtic deity). It is particularly found in Ulster (Counties Antrim, Armagh and Monaghan) where many settled around the 13th century, having been Gallowglasses, and also in counties Limerick and Cork. Aoidh and Mac Aoigh were sometimes Anglicised as Hugh and McHugh.
Grog Grog is any of a variety of alcoholic beverages. The word originally referred to a drink made with water and rum, which British Vice Admiral Edward Vernon introduced into the naval squadron he commanded in the West Indies on 21 August 1740. Vernon wore a coat of grogram cloth and was nicknamed "Old Grogram" or "Old Grog". Merriam Webster's Collegiate Dictionary, which agrees with this story of the word's origin, states that the word "grog" was first used in this sense in 1770, though other sources cite 1749.