<page_title> List of mayors of Pittsburgh </page_title> <section_title> Mayors (1816–present) </section_title> <table> <cell> William McCallin <col_header> Mayor </col_header> </cell> <cell> 1887–1890 <col_header> Term </col_header> </cell> </table>
William McCallin was Mayor of Pittsburgh from 1887 to 1890.