 The ambassador and embassy staff at large work at the Ballsbridge Chancery of the Embassy of the United States, Dublin.Deerfield Residence is the official residence of the ambassador, located in the Phoenix Park, Dublin.The position was vacant from January 2017 through the end of June 2019, with Reece Smyth serving as the "chargé d'affaires" of the U.S. Embassy in Ireland.