 Teilhard died in New York City, where he was in residence at the Jesuit Church of St. Ignatius Loyola, Park Avenue.On 15 March 1955, at the house of his diplomat cousin Jean de Lagarde, Teilhard told friends he hoped he would die on Easter Sunday.On the evening of Easter Sunday, 10 April 1955, during an animated discussion at the apartment of Rhoda de Terra, his personal assistant since 1949, Teilhard suffered a heart attack and died.