The Collaborative International Dictionary of English v.0.48:

Bartlett \Bart"lett\, n. (Bot.)
   A Bartlett pear, a favorite kind of pear, which originated in
   England about 1770, and was called Williams'
   Bonchr['e]tien. It was brought to America, and distributed
   by Mr. Enoch Bartlett, of Dorchester, Massachusetts.
   [1913 Webster]