That is, the New York Times says so.
And he died a Christian:
Mr. Kennedy spent his last hours in prayer, Father Tarrant told a Boston television station, WCVB-TV. Mr. Kennedy had told friends recently that he was looking forward to a “reunion” with his seven departed siblings, particularly his brothers, whose lives had been cut short. “When he gets there, he can say ‘I did it, I carried the torch,’ ” Mr. Delahunt said. “ ‘I carried it all the way.’ ”