The village of Keshcarrigan probably originates from ancient "lake dweller" human settlements of nearby Lough Scur and, in recent centuries, activities associated with Reynolds manor. In 1798, the French Army under General Humbert passed through on the way to eventual defeat at the Battle of Ballinamuck. Through the 19th and much of the 20th century, eleven market fairs were held at Keshcarrigan annually. These fair days are no longer extant, although the fair green in the centre of the village has been redeveloped into a small park. More recently, Keshcarrigan has become known for its alternative St. Patrick's Day parades which have included an invisible parade, an indoor parade and a walking backwards parade. About 1 km west of Keshcarrigan on the road to Carrick-on-Shannon there is a collapsed dolmen overlooking Lough Scur. Medieval ruins of Castle John and Jail Island are located near the village, at Lough Scur. In 1854 a Bronze Age gold artifact which became known as the 'Keshcarrigan Bowl' was discovered in the waterways between Lough Scur and Lough Marrave, north of the village.
Demographics
In the 2011 census the Keshcarrigan area had 472 residents. The village experienced dramatic changes in the early 21st century with over 100 new houses being built mainly as a result of a controversial government tax incentive scheme.
Amenities and sport
About 1km south of the village on the road to Mohill, a small park on the shores of Keshcarrigan Lough is dedicated to the memory of Mychal Judge, chaplain of the New York Fire Department and the first recorded victim of the 2001 attack on the World Trade Center. Fr Judge's ancestral home was opposite the park. The main local sports club is Kiltubrid GAA. The senior men's team were Leitrim Senior Football Champions in 2005 and the senior women's team in 2015 and 2016. The latter also went on to contest Connacht finals in both those years. There are a number of angling centres near Kesh, including Lough Scur, Keshcarrigan Lough, Carrickaport Lough and the Shannon–Erne Waterway.
Laheen Estate and Letterfine House near Keshcarrigan are associated with the Reynolds and Peyton families, prominent local landowners who had intermarried in the early 18th century. The original houses associated with the properties no longer exist.