In May 1973, the municipality of Rayleigh, British Columbia was added to the city of Kamloops, located on the east side of the North Thompson River to the south of the community of Heffley Creek, also part of the City of Kamloops. A former post office here was named Rayleigh Mount. This post office was named by the first postmaster W A Belcham after his home town in England. He, his wife Elizabeth, and son W A K Belcham operated the post office until the 1940s when they moved to Little Fort.