Archibald McClean The early history of Horsham boasts two men of some renown named Archibald McClean. “The senior Archibald McClean was for sixteen years a justice of the peace in Horsham, and in 1772 was elected to the Pennsylvania Assembly. He died December 1, 1773, in his seventy-fifth year, having resided in the same place for forty years. He was buried in the graveyard attached to Abington Presbyterian Church. On the list of 1776 we find his estate rated at 220 acres.”16 McLean’s daughter was married to Col. Robert Loller of Hatboro. “Dr. Archibald McClean, a distinguished physician, was...