New Jersey (2) : vacator : Vacant | New Jersey (2) : successor : John P. Stockton (D) | Vacant : reason_for_change : Presented credentials as Sen-elect | John P. Stockton (D) : date_of_successors_formal_installation : March 15, 1865
The reason for change in staff for the installation on March 15, 1865 was "presented credentials as sen - elect."