It is the past tense of Tá. Bhí sé, he was. (Irish has two forms of 'to be'.)
'Will' is not an Irish word and has no meaning in Irish.
'Colt' is not an Irish word. The Irish word for colt is bromach.
Not an Irish word.
It's not a word in Irish Gaelic.
'Late' is a word in English not Irish.
'Brandie' is not a word in the Irish language.
Ryann is not an Irish word and has no meaning in Irish.
It is not an Irish (Gaelic) word.
"Tommy" is not an Irish word.
"Breck" is not an Irish word.
'Baising' is not an Irish word.
'Champs' is not a word in Irish.