Memorial Day Parade 2009: Jerry Hurley of Lower Mills watched the Memorial Day Parade pass Dorchester Park on Monday, May 25, 2009. Photo by Chris LovettDorchester's traditional observation of Memorial Day began at 10 a.m. on Monday with a parade from Lower Mills to Cedar Grove Cemetery, where a huge crowd gathered to honor neighborhood veterans and remember those lost in the nation's conflicts dating back to the Civil War.