1) Anglicised Irish surname 
McMullen is a surname Mac Maoláin with predominantly Irish origins but also with some Scottish history. It derives from root forenames such as: Maolain, `One who is Awesome`, Maelan `Hillock` and Meallain `Pleasant`. All of these origin forenames have over time evolved to the collateral `Son of Maolain` anglicized McMullen. Notable people...