A small funeral mass was held on August 10 , 1963 , in the private chapel of Cardinal Richard Cushing in Boston . The president 's mother was in Paris and told not to return for the funeral , though the First Lady 's sister , Lee Radziwill had already flown in from Greece before Kennedy died . Cardinal Cushing , the Archbishop of Boston , performed the funeral mass , as he would for John F. Kennedy , assassinated 104 days later . Siblings Caroline , then 5 years old , and John Jr. , 2 1/2 , did not attend
assassinated 104 days later
Assassination of John F. Kennedy
Patrick Bouvier Kennedy