Letterkenny's best 100% FREE Cougar dating site. Meet thousands of single Cougars in Letterkenny with Mingle2's free personal ads and chat rooms. Our network of Cougar women in Letterkenny is the perfect place to make friends or find a Cougar girlfriend in Letterkenny. Join the hundreds of single County Donegal Cougars already online finding love and friendship in Letterkenny!