Meaning and Name Origin
Mackey \m(ac)-key\ as a boys' name. Mackey's root is Gaelic, and the meaning of the name Mackey is "son of". Mackey is a variation of Mac (Gaelic): Scottish and Irish surname prefix used as a given name or nickname. Scarce as a birth name for boys.
Mackey has 1 variant: Mackie.
Mackey is a rare given name for males but a very popular surname for all people (#1059 out of 88799, Top 1%). (2000 U.S. Census)
Shown below is an analysis of the popularity of the boy name Mackey and associated names. Prominent related forms of Mackey (#unlisted) appearing in the Top 1000 are Mack (#803 last year) and Mac. These boy names were at the height of their popularity during 1940-1949 and have become much less popular since, with the versions Mac and Mack becoming less fashionable. (2014 Birth Statistics)
Mackey is alike in pronunciation to Maccoy, Macgee, Mckay, Mickey▼, Micky and Mikey. Other recommended similar baby names are Mace, Maceo, Macey, Macy, Markey, Massey, Maxey and Packey. These names tend to be more commonly used than Mackey.