Mackey Surname Guide

Anyone researching Mackey should also look under McCoy. The family name meaning is “Son of Aodh ("fire")”, the same as for McCoy. Records show Mackey as one of the forms McCoy took over time. Spellings drifted because names were written down by ear in parish books, tax rolls and passenger lists. The same family of names includes MacCoy.

Mackey ranked 1,143 in the 2010 US Census, with 30,749 people answering to the name. It sits among the 2,500 most common last names in the country.

Looking for a Mackey coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours. For the full story, order the Mackey surname pack.