Here are 2 reels which were popularised my Michael Coleman. Here's my iffy effort.
Here's a fifing tune. There are some people in my part of the world who play it on big flutes too.
Here's a reel that's popular on the fiddle too.
Here are two polkas. The first one is called the "Shelf" polka. I never heard a name for the second one. Charlie O'Neill originally came from Mount Charles in Donegal and then moved to "the Moy" in Tyrone.