John S. Caldwell, from March 20, 1855, to March 17, 1857
Peter Goolrick, from March 17, 1857, to March 22, 1859
William S. Scott, from March 22, 1859, to March 22, 1860
Peter Goolrick, from March 21, 1860—resigned April 4, 1860
Montgomery Slaughter, from April 4, 1860, removed by military April 28, 1868.
Charles E. Mallam, appointed by military April 28, 1868, removed by military July 15, 1869.
William E. Nye, appointed by military July 15, 1869, resigned Feb. 23, 1870.
Lawrence B. Rose, elected by Council Feb. 23, 1870, to June 30, 1870
William Roy Mason, elected by the people July 1, 1870, resigned July 28, 1870.
Lawrence B. Rose, from July 28, 1870, to June 30, 1872