A person of both Mexican and Irish blood. Though this mix seems un-common, Irish mercenaries have been known to have been employed by the Mexican government in several historical events. Though I am American, I am 50% Irish and 50% Mexican. I am, on both sides, 2 generations to 8+ generations removed. I am American and both Irish and Mexican. In the Mexican-American War several Irish mercenaries were used to fight the U.S. They were known as St. Patrick/San Patricia Brigades. All Irish caught were thus killed immediately due to Irish-American relations at the time. Also, see Mic-Spic