Roswell B. Mason Roswell B. Mason ( September 19 , 1805January 1 , 1892 ; buried in Rosehill Cemetery ) served as mayor of Chicago , Illinois ( 1869 -- 1871 ) for the Citizens Party .
Roswell B. Mason Roswell B. Mason ( September 19 , 1805 -- January 1 , 1892 ) served as mayor of Chicago , Illinois ( 1869 -- 1871 ) for the Citizens Party .