Answer: fillmore

AnswerCrossword Clue
FILLMOREPierce's predecessor
FILLMOREThirteenth President.
FILLMOREWhite House resident, 1850-53.
FILLMOREBig Whig
FILLMORELast Whig president
FILLMOREPresident who was not elected