Benn,
There are many single malt Irish whiskeys. They are made the same as Scotch. The typical Irish whiskey has rye in the grain bill but single malt is only 100% barley no matter where it comes from.
Here are just a few.
Bushmills 16 Year Old (70cl, 40%)
The "Old Bushmills" Distillery Company
A 16 year old Irish single malt from Bushmills aged in three different cask types: bourbon, port and sherry. The result is a beautiful whiskey which was awarded Gold at the 2010 San Francisco World...
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Tyrconnell Irish Whiskey (70cl, 40%)
Cooley
A single malt Irish whiskey from the Cooley distillery, Tyrconnell is incredibly creamy and smooth.
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Connemara Peated (70cl, 40%)
Cooley
Connemara produce a peated Irish single malt, named for the area in Ireland.
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There are many more and in fact, they rival the Scottish whiskeys.