The Founders chose a name that belonged to Oswestry. Cae Glas is an open space in the heart of the town, now a public park whose fine gates are the town’s War Memorial.
With one of the town’s other Lodges having an Anglo-Saxon name and the other a Norman one, they felt that Oswestry’s connections with the Principality made a Welsh name fitting.
The land, about 10 acres in all, was once the estate of Cae Glas Mansion (since demolished), known for the two fine pillars at its front porch. It was sold to the Town Council for £6,000 in 1910 on condition that it became a public park, and the owner gave £200 towards the conversion.