How was Cotton Mather related to Increase Mather? November 21, 2011 by Pamela Landy Increase Mather(1639-1723) was the father of Cotton Mather(16631728). Both were clergymen, theologians, and prolific writers in Puritan New England. Related PostsAt its height, how much cotton did the South produce?What does a cotton gin, invented by Eli Whitney, do?Is the phrase dog days related to dogs?How are Kublai Khan and Genghis Khan related?Was Queen Victoria related to King George III of England?Who directed Airplane! (1980) and how were the directors related?