In the paradesMartin Healy Jr., founding partner of Healy Scanlon Law Firm, will serve as the grand marshal of the 2017 Chicago St. Patrick’s Day Parade. The downtown event, which includes the dyeing of the Chicago River green, will take place at noon on Saturday along Columbus Drive and will be televised live on WLS-TV.•The South Side Irish St. Patrick’s Day Parade Committee has named the Les Turner ALS Foundation as the grand marshal for its parade on Saturday.Marching with the grand marshal will be Meg …