User:Canuckian89/United States Postmasters General

This is a list of United States Postmasters General in order of longevity. There are currently sixty-six Postmasters General on the list and three living Postmasters General. The list is in descending order and is correct as of. The oldest Postmaster General is Walter F. Brown (1869 - 1961), who died at the age of 91 years, 240 days. The oldest living Postmaster General is William M. Watson. He is currently 100 years, 48 days old and has held the title of oldest living Postmaster General since July 10, 2004.

To account for the different number of leap days within the life of each Postmaster General, two measures of longevity are given. The first is the number of whole years the Postmaster General lived, and the number of days past their last birthday. The second lists the total number of days lived by the Postmaster General.