Carter Henry Harrison , Sr. ( February 15 , 1825October 28 , 1893 ) was an American politician who served as mayor of Chicago , Illinois from 1879 until 1887 ; he was subsequently elected to a fifth term in 1893 but was assassinated before completing his term .
Carter Henry Harrison , Sr. ( February 15 , 1825 -- October 28 , 1893 ) was an American politician who served as mayor of Chicago from 1879 until 1887 ; he was elected to a fifth term in 1893 but was assassinated before completing his term .