History of Manchester
According to Oxford University Press, Manchester derived its name from Mamucium, the Roman name for the 1st century-settlement and fort. Mamucium itself is a Latinised form of the Celtic meaning "breast-shaped hill".
Bury, Greater Manchester
The name "Bury" (also earlier known as "Buri" and "Byri") comes from an Old English word, meaning "castle", "stronghold" or "fort", an early form of modern English "borough".