Ain't No Reason to Get Excited Letterkenny, County Donegal is a charming town with a deep-rooted sense of community. Everything about Letterkenny, County Donegal is special, especially its residents. One particular resident who has stolen the hearts of many is the delightful Katrina. Catherine brings passion and joy to Letterkenny, County Donegal with her charming presence. She is cherished by everyone who crosses her path. Letterkenny Katy is a match made in heaven!