Complex sentence: The name is believed to be a derivation of "Old Canning" and a village probably existed on the current site by the 10th Century as the invading Danes at that time referred to Canning Marsh.
Split into simpler sentences: The name is believed to be a derivation of "Old Canning". A village probably existed on the current site by the 10th Century as the invading Danes at that time referred to Canning Marsh.