Ralph Plumb was born in 1816.
Hay Plumb died in 1960.
Edward H. Plumb died in 1958.
John H. Plumb died in 2001.
Charles Plumb died on January 19, 1982.
Josiah Burr Plumb died in 1888.
Preston B. Plumb died on 1891-12-20.
Gwen Plumb died on June 5, 2002, in Sydney, New South Wales, Australia.
Neely Plumb died on October 4, 2000, in Sherman Oaks, California, USA of heart failure.
Ralph Calland died in 2005.
Ralph Paffenbarger died in 2007.
Ralph Manheim died in 1992.