More than 31 years after she left office, Chicago’s first and only female mayor has a permanent tribute outside of the city’s oldest and most famous landmarks. With a resolution passed unanimously today by the city council, the park surrounding the historic Water Tower on North Michigan Avenue was renamed Jane M. Byrne Plaza. For the mayor’s only daughter, Cooney & Conway attorney Katharine Crane Byrne, it was a moment long overdue. “I’m thrilled,” she said Tuesday …