Mac Amhalghaidh variant forms of the name. A modern variant is Mac Amhalaí. Another is Mac Amhalaidh. Another variant is Mac Amhalghadha. Variant forms of "Mac Amhalghaidh" and "Mac Amhalghadha" include Mag Amhalghaidh and Mag Amhalghadha. "Mac Amhalghaidh" translates into English as "son of "Amhalghaidh"", or "son of "Amhalghadh"". The surname originated as a patronym, however it no longer refers to the actual name of the bearer's father. The personal name "Amhalghaidh", also spelt "Amhalghadh", is an old Gaelic name, and is of uncertain origin and meaning. "Mac Amhalghaidh" is a masculine surname. The form of this surname for unmarried females is
Mongan (surname) Mongan (surname) Mongan is an Irish surname anglicised. It derives from the ancient and possibly pre 10th century Gaelic Ó Mongáin ‘descendant of Mongan’. The latter was a nickname for the original chief of the clan, who presumably had a particularly luxurious or wild growth of hair. Many, perhaps the majority of Irish Gaelic surnames were nicknames for the original chief or leader, see Mongán mac Fiachnai this is a good example. The derivation is 'mong', meaning long-haired. Three branches of this clan originally existed in ancient Ireland. These were a sept in Ulster which gave its name to the