 McArdle

The surname McArdle or MacArdle was the twelfth most numerous in its homeland of County Monaghan in 1970.The surname in Irish is MacArdghail, from "ardghal", meaning 'high valour' or from the Irish "ardghail" meaning "tall foreigner" with roots "ard" meaning "tall" and "gail" meaning "foreigner" indicative of their original ancestor being a Viking or from Viking stock.