It is not well known that Abraham Lincoln was very interested in parapsychology and séances in his later years. Another person in the White House was fond of séances as well, Eleanor Roosevelt. She has reported to have become friends with Abraham Lincoln through her many séances over the years.
Harry Truman once wrote about the maids in the White House were very disturbed at seeing what they thought was Lincoln's ghost. On one occasion Truman was trying to work, but was repeatedly disturbed by constant knocking at his office door. He commented to a friend "I think it must have been Lincoln's ghost walking down the hall."
When a reporter asked Roslyn Carter about the Lincoln ghost, she refused to comment. But, when Jacqueline Kennedy was asked she stated she felt Lincoln's presence many times, and "took great comfort in it".
Lincoln's son Willie has also been seen in the Grant and Taft administrations. He died in the White House when Lincoln was President.
Many speculate that Lincoln's spirit stays on in the White House because of the trauma he endured while in office. Others feel Lincoln appears in times of crisis in America.