The 158th Ironton-Lawrence County Memorial Day Parade is just weeks away and its surrounding events have been scheduled, with a special emphasis this year on the America250 celebration going on across the country. Lou Pyles will serve as this year’s grand marshal, her third time helming the event, while Chad Pemberton will be parade commander and Jeffery Underhill has been named as honorary grand marshal. This year’s parade theme is “We the Pe…