O'Neill is a city located in Holt County, Nebraska, known for its rich Irish heritage. Founded in the late 19th century, it serves as the county seat and is often referred to as the "Irish Capital of Nebraska." The city hosts various cultural events, including the annual O'Neill St. Patrick's Day Celebration. The population of O'Neill is around 3,700 residents, making it a small but vibrant community. The city features local businesses, parks, and schools, contributing to a friendly atmosphere. O'Neill is also home to the Niobrara River, which offers recreational opportunities for residents and visitors alike.