James B. Cross was the incumbent Mayor of Milwaukee at the time of the 1857 gubernatorial election , serving his third consecutive term in that role . He had also represented Milwaukee in the Wisconsin State Assembly for three terms . Cross was a lawyer and had previously served as a probate judge in Milwaukee County . He was a Wisconsin delegate to the 1856 Democratic National Convention
1856 Democratic National Convention
1856 Democratic National Convention
1857 Wisconsin gubernatorial election