Mark O`neill ( 1963 - ) is an Irish painter. Mark O`neill s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7301.75 USD for PEONIE (INTERIOR OF A COUNTRY HOUSE IN COUNTY LAOIS) in 2003 to 21569.99 USD for THE MART in 2005 , based on the size and medium of the artwork.