Complex sentence: The park was named after the area's first settler John McCormick, who homesteaded on 100 acres there in 1816, along the canyon by the waterfalls.
Split into simpler sentences: The park was named after the area's first settler John McCormick. It wasn't until 1816 that the first settler laid claim to the area, when John McCormick homesteaded nearly one hundred acres along the canyon by the waterfalls.