Archibald McLean By: Kevin Winters Published: October 23, 2023 Updated: January 15, 2026 The early history of Horsham boasts two men of some renown named Archibald McClean. Archibald McLean Sr McLean Sr was born ub 1699 on the Isle of Mull, Argyll, Scotland. According to FamilySearch his father’s name was also Archibald McLean Sr. He was in Philadelphia by 1735 when he married Mary Charlesworth. “The senior Archibald McLean was for sixteen years a justice of the peace in Horsham, and in 1772 was elected to the Pennsylvania Assembly. He died December...