Didsbury the Mersey at Didsbury in the Jacobite march south from Manchester to Derby, and again in the subsequent retreat. Didsbury was largely rural until the mid-19th century, when it underwent development and urbanisation during the Industrial Revolution. It became part of Manchester in 1904. The Royal Society for the Protection of Birds was formed in Didsbury in 1889. Didsbury derives its name from the Anglo-Saxon "Dyddi's burg", probably referring to a man known as Dyddi whose stronghold or township it was on a low cliff overlooking a place where the River Mersey could be forded. In the 13th century Didsbury
Olds-Didsbury-Three Hills while seven per cent are immigrants. People of German origin make up nine per cent of the population. More than 96 per cent say their language at home is English, the second-highest rate in Alberta. (2001 census) The electoral district was created in the 1996 boundary redistribution from the old electoral districts of Olds-Didsbury and Three Hills-Airdrie. In the 2004 redistribution the boundaries changed somewhat, with an agricultural section in the far west transferred to Banff-Cochrane, while in the southeast a section of the old Drumheller-Chinook riding - including the community of Carbon - was added. Major communities include Olds,