Éirinn go brách! or Éire go brách!
gun sguir forever adv leat(-sa) prep pron yours poss pron (sg)got this from the Gaelic-English dictionary of words at http://www.yourdictionary.com/languages/celtic.htmlhope it helps
In Irish it's "Is leatsa an domhan"
In Irish it's "buanghrá"
Éire go brách/Éirinn go brách in Irish Scottish Gaelic: ?
In Irish it's "go Lá an Luain"
Mo ghrá go deo
Caitlín go deo
As adjective, Éireannach go deo. If a noun, Na Éireannaigh go deo (the Irish people forever).
mo cheannsa go deo
is linne go deo an bua
"Gaelic" can mean "Irish Gaelic' or "Scottish Gaelic". They are classified as two distinct languages.
http://wiki.answers.com/Q/What_is_the_Irish_Gaelic_for_%27forever_sisters%27"