There are no automatic translators that can accurately translate from English to Irish or Irish to English.
There is a Gaelic website translator that will teach you to say it in Gaelic or you can just say it in English with an Irish accent and for that I recommend Boondock Saints
What you are trying to say isTá grá agam duit, a Amber. (Irish Gaelic)(Google Translator does not translate Irish well.)
I'm not sure what you mean, but I'm pretty sure you meant Catholicism or Cataclysm. Catholicism from English to Irish/Gaelic: Caitliceachas Cataclysm from English to Irish/Gaelic: I'm sorry, that word is unknown. -Source: Google Translator
See Irish Gaelic translator website
The English language? Béarla (Irish) Beurla (Scottish Gaelic). As an adjective? Sasanach (Irish), Sasannach (Scottish). "The English (people)" na Sasanaigh in Irish; Sasannaich (?) in Scottish Gaelic.
Brennan is the English form of two Irish Gaelic surnames:Mac Branáin (bran, raven) "MacBrannan" of Mayo-Sligo-Roscommon.Ó Braonáin O'Brennan of Kilkenny
It is an English name and most likely has no Irish Gaelic form.
In Irish it means 'with-her'.
The Irish and Scottish Gaelic languages have no word for 'a/an'.
The word 'luck' is in English not Irish Gaelic.
Léi means 'with-her' in Irish Gaelic.
In Scottish Gaelic: cathraicheanIn Irish: cathaoireacha