 A cognate of the Irish "Mac Amhalghaidh" is the Scottish Gaelic "MacAmhalghaidh".The feminine form of this Scottish Gaelic surname is "NicAmhalghaidh".This feminine name is composed of the prefix "Nic-", which is an abbreviated form of the Scottish Gaelic "nighean mhic" or "nì mhic", which translates into English as "daughter of the son"; thus "NicAmhalghaidh" translates as "daughter of "MacAmhalghaidh"".