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
Forrestal (surname) Forrestal (surname) Forrestal or Forristal (Irish: Ó Fuireastal), is an old Irish surname common in the southeast of Ireland, namely in the counties of Kilkenny, Wexford and Waterford. The name has been spelled in many different forms, all of which are related to the same family including; O'Forristal, Forrestal, Forristal, Forestal, Forestal, Forrestall, Foristal, and in medieval times, Forstall. Forestell is a variation found in Canada. Also, in Gaelic Irish as Ó Fuireastal (pronounced O'Furristhawl), Mac Fuireastal, and Mac An Choill. The Forristals were rooted in Glenmore parish, County Kilkenny, where they held several castles, some of which were located