The Courtauld Institute of Art (London), the Honolulu Museum of Art, the National Gallery of Ireland, the Tate and the Victoria Art Gallery (Bath, England) are among the public collections having paintings by Thomas Hickey.
Several well-known art institutions, including The Courtauld Institute of Art (London), the Honolulu Museum of Art, the National Gallery of Ireland, the Tate, and the Victoria Art Gallery (Bath, England), showcase paintings by Thomas Hickey.