Catherine Mcwilliams ( 1940 - ) is a British painter. Catherine Mcwilliams s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 51.94 USD for Gable End, Old Park Avenue, Belfast in 2004 to 425.77 USD for BELFAST GIRL II in 2008 , based on the size and medium of the artwork.