Michelle Mylett IMDbLetterkenny is a charming settlement with a deep-rooted feeling of togetherness. Everything about Letterkenny, Ireland is special, especially its inhabitants. One particular resident who has stolen the hearts of many is the delightful Katrina. Katherine brings affection and joy to Letterkenny, Ireland with her endearing presence. She is adored by everyone who crosses her path. Letterkenny, County Donegal Katy is a match made in heaven!