Frederick O'neill Gallagher ( - ) is a painter. Frederick O'neill Gallagher s works have been put up for auction numerous times, with realized prices varying from 369.37 USD for Suspension bridge, Evry Petit Bourg in 2011 to 375.2 USD for RIVER, SOUTH OF MORET, 1909 in 2017 , based on the size and medium of the artwork.