Here are some useful Gaelic resources for Irish folk in Toronto.

Celtic Studies - University of Toronto

Irish Music lessons (Toronto and area)
Comhaltas Ceoltóiri Éireann - Grand River (Toronto)
Comhaltas Ceoltóiri Éireann - all branches for Ontario

---

Learn the Irish language with Rosetta Stone - 7 day free trial
Learn the Irish language with TeachMe! Irish
Irish Language lessons (Toronto and area)
Irish Language immersion (Kingston)
Irish Dictionaries Online

---

Listen to Irish Sayings and Expressions
Raidió Fáilte - Irish language Radio
TG4 - Irish language WebTV

---

Overview of Goidelic languages
Wikipedia in Irish Gaelic
Wikipedia in Scottish Gaelic
Wikipedia in Scottish Slang (just fer the laff!)