Catacomb (or Burial Chamber) is at the north side of the base of the Lincoln Monument; on the south side (entrance) is Memorial Hall (or the Rotunda). Since the second reconstruction (1930–31) connecting corridors lead into the Burial Chamber. Movements of remains of other family members On May 4, 1865, (Lincoln's arrival at Oak Ridge Cemetery, nineteen days after his death) another coffin, containing the body of Lincoln's son Willie (18501862) was placed with Lincoln's in the Receiving Vault. Willie had been initially interred in the Carroll family tomb at the Oak Hill Cemetery in Georgetown. His remains accompanied those of his father on the funeral train to Springfield. On December 21, 1865, the two caskets were moved to the temporary vault, halfway up the hillside, where the Lincoln Tomb was in construction at the top of the hill. The body of Lincoln's son Edward "Eddie" Baker Lincoln (three years, ten months) was already placed there on December 13, 1865. Eddie, born March 10, 1846, died February 1, 1850, and was first buried at the Hutchinson Cemetery in Springfield. The three bodies rested in the temporary vault while the Lincoln tomb was being built. The three bodies were moved to the catacomb of the tomb on September 19, 1871. They were not the first. Two months earlier (on July 17, 1871) it was Lincoln's son Thomas ("Tad") Lincoln, born April 4, 1853, who was the first Lincoln placed into a crypt in the Lincoln Tomb. Tad died on July 15, 1871, in Chicago, Illinois, aged eighteen. Lincoln's wife, Mary Todd Lincoln (December 13, 1818 – July 16, 1882). She was buried July 19, 1882, in one of the family crypts in the Lincoln Tomb. In the night of July 21, 1882, Mary Todd's casket was secretly taken from the crypt and at Robert Todd Lincoln's (her eldest son) request, buried alongside the President. On April 14, 1887, both caskets were moved to Memorial Hall. Lincoln's teenage grandson and namesake, Abraham Lincoln II ("Jack"), born August 14, 1873, died March 5, 1890, in London and was temporarily buried in Kensal Green Cemetery, London, until his father returned to the U.S. with his body and on November 8, 1890, was placed in one of the crypts in the Lincoln Tomb. His body remained in the tomb until May 27, 1930, when he was re-interred at the family plot of his father, Robert