Patrick Cahill ( 1954 - ) is an Irish painter. Patrick Cahill s works have been put up for auction numerous times, with realized prices varying from 97.48 USD for Two Children sitting at a Canvas and Artist's Palette in 2008 to 343.66 USD for BLUE SHADE - FLOWER SELLERS, GRAFTON STREET, DUBLIN in 2013 , based on the size and medium of the artwork.