Question: is mcelroy an irish surname?
Answer: Recorded in many spelling forms including MacIlroy, MacElroy, McIlroy, McElroy, McGilroy, McAlroy and others, this is both a Scottish and Irish surname. ... The clan were of some status in Gaelic Ireland, particularly in the 15th Century, as their frequent mention in the Annals of the Four Masters and Loch Ce testifies.