WordNet sense 1 (United States writer of novels and short stories (1890-1980)):

Katherine Anne Porter

WordNet sense 2 (United States composer and lyricist of musical comedies (1891-1946)):

Cole Albert Porter, Cole Porter

WordNet sense 3 (United States writer of short stories whose pen name was O. Henry (1862-1910)):

O. Henry, William Sydney Porter

WordNet sense 4 (a railroad employee who assists passengers (especially on sleeping cars)):

Pullman porter

WordNet sense 5 (someone who guards an entrance):

doorkeeper, doorman, gatekeeper, ostiary, door guard, hall porter

WordNet sense 6 (a very dark sweet ale brewed from roasted unmalted barley):

porter's beer