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