The provided Wikipedia text focuses on the origins and popularization of the given name Elaine, tracing it back to Arthurian romances and noting its Welsh possible etymology. It then proceeds to list a vast number of notable individuals named Elaine across various fields, including arts, entertainment, and other professions. However, the extract does not contain any specific biographical information or details about an individual named Elaine MacInnes. Therefore, no summary of her life, works, or contributions can be generated from this source material.