Like many people who enjoy their work, the Rev. Jacques Hamel did not want to stop. At 85, he was well past retirement age, but he kept in shape and kept on going — baptizing infants, celebrating Mass and tending to parishioners in St.-Étienne-du-Rouvray, the working-class town in Normandy where he had spent much of his life.

“He could have retired at 75 years old, but seeing how few priests were around he decided to stay and work, to continue to be of service to people, up until it all ended, tragically,” the Rev. Auguste Moanda-Phuati, the parish priest of the Église St.-Étienne, where Father Hamel worked as an auxiliary priest, said in a phone interview. “He was loved by all. He was a little like a grandfather. We were happy when he was around and worried when we hadn’t seen him in a while.”

Father Hamel was celebrating Mass on Tuesday morning when two men with knives entered the small church and slit his throat, an attack that horrified people across France and the world. The Islamic State claimed responsibility for the attack, saying that the two assailants — who were shot dead by the police — were “soldiers” retaliating against the United States-led coalition fighting the group in Iraq and Syria.