McCLENAHAN: The John McClenahan folk: biography and genealogy 1911By John McClenahan Henderson The John McClenahan folk: biography and genealogy. John McClenahan was born in Ireland in 1780. He was the only child of a second marriage of both parents. He had half brothers and sisters, including two Wallace brothers who each married a half sister, (Ellen Mcclenahan and Margaret Carson). John McClenahan married Mary Urie. This book not only memorializes the McClenahan lineage but also paints a picture of early American