Mac Amhalghaidh Mac Amhalghaidh Mac Amhalghaidh is an Irish masculine surname. The name translates into English as "son of "Amhalghadh"". The surname originated as a patronym, however it no longer refers to the actual name of the bearer's father. The form of the surname for unmarried females is Nic Amhalghaidh. The forms for married females are Bean Mhic Amhalghaidh and Mhic Amhalghaidh. The Irish "Mac Amhalghaidh" has numerous Anglicised forms. The surname has been borne by at least one notable Irish family. A cognate of "Mac Amhalghaidh" is the Scottish Gaelic MacAmhalghaidh; the feminine form of which is NicAmhalghaidh. There are several
Mac Aodhagáin Flann Mac Aodhagáin up to the year 1643. The surname has been Anglicised in a variety of ways, including as Mac Egan, Egan, Eagan, Keegan, or Keigan, McKiegan, and McKagan. Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Muirchertach Mac Aodhagáin Mac Aodhagáin Mac Aodhagáin (English: Egan or Keegan), is an Irish Gaelic clan of Brehons who were hereditary lawyers - firstly to the Ó Conchobhair Kings of Connacht, and later to the Burkes of Clanricarde. The earliest surviving Irish law manuscript, "In Senchas Már", was written prior to 1350