Wynnewood (S. Gypsy Ln.) COUNTY: Montgomery COORDINATES: 40.01298, -75.27306 EXPLANATION OF NAME: “Named for Dr. Thomas Wynne, physician to William Penn and first speaker of the first Pennsylvania Assembly." FOUNDED: Settled 1691 SHAPE: Variant 1-sided STATUS: Extant Montgomery Ave. & Gypsy Ln. (NW Corner, W of All Saint’s Church) Wynnewood, PA 19096 Marker type is a “variant” of the original Keystone Marker often used for boroughs. Painted green and yellow to match Lower Merion street signs.